ARCHIVED CONTENT: In December 2020, the CZO program was succeeded by the Critical Zone Collaborative Network (CZ Net) ×

201 Publications

under construction

Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.

258 Publications

2019

Boulder Creek Critical Zone Observatory Annual report 2019 . Anderson, S.P., Anderson, R.S., Molotch, N.P., Rajaram, H., Tucker, G.E. (2019): NSF Award #1331828

2019

Ecological and genomic attributes of novel bacterial taxa that thrive in subsurface soil horizons. Brewer, Tess E., Emma L. Aronson, Keshav Arogyaswamy, Sharon A. Billings, Jon K. Botthoff, Ashley N. Campbell, Nicholas C. Dove, Dawson Fairbanks, Rachel E. Gallery, Stephen C. Hart, Jason Kaye, Gary King, Geoffrey Logan, Kathleen A. Lohse, Mia R. Maltz, Emilio Mayorga, Caitlin O’Neill, Sarah M. Owens, Aaron Packman, Jennifer Pett-Ridge, Alain F. Plante, Daniel D. Richter, Whendee L. Silver, Wendy H. Yang, Noah Fierer (2019): mBio Oct 2019, 10 (5) e01318-19 Cross-CZO National

2019

Hillslope hydrology in global change research and Earth system modeling. Fan, Y., Clark, M., Lawrence, D. M., Swenson, S., Band, L. E., Brantley, S. L., P. D. Brooks, W. E. Dietrich, A. Flores, G. Grant, J. W. Kirchner, D. S. Mackay, J. J. McDonnell, P. C. D. Milly, P. L. Sullivan, C. Tague, H. Ajami, N. Chaney, A. Hartmann, P. Hazenberg, J. McNamara, J. Pelletier, J. Perket, E. Rouholahnejad‐Freund, T. Wagener, X. Zeng, E. Beighley, J. Buzan, M. Huang, B. Livneh, B. P. Mohanty, B. Nijssen, M. Safeeq, C. Shen, W. van Verseveld, J. Volk, D. Yamazaki (2019): Water Resources Research, vol 55 Cross-CZO

2018

Climate driven coevolution of weathering profiles and hillslope topography generates dramatic differences in critical zone architecture. Anderson, R. S., Rajaram, H., Anderson, S. P. (2018): Hydrological Processes . 2018;1 – 16.

2018

Boulder Creek Critical Zone Observatory Annual report 2018. Anderson, S.P., Anderson, R.S., Molotch, N.P., Rajaram, H., Tucker, G.E. (2018): Boulder Creek CZO, University of Colorado Boulder

2018

Reevaluating growing season length controls on net ecosystem production in evergreen conifer forests. Barnard, D.M., Knowles, J.F., Barnard, H.R., Goulden, M.L., Hu, J., Litvak, M.E., Molotch, N.P. (2018): Scientific Reports 8(1): 17973 Cross-CZO

2018

The response of streamflow and evapotranspiration to changes in snowmelt across the western United States. Barnhart, Theodore B. (2018): Ph.D. dissertation, Dept. of Geography, University of Colorado, Boulder.

2018

Tales from the tomb: the microbial ecology of exposed rock surfaces. Brewer, T.E., N. Fierer (2018): Environmental Microbiology 20(3): 958-970

2018

Multi-disciplinary Insights in to the Effects of Vegetation Change on Hydrologic Partitioning (Invited). Brooks, P.D., Barnard, H.R., Biederman, J.A., Harpold, A., Singha, K., Swetnam, T.L., Tai, X. (2018): Abstract H21A-06 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec Cross-CZO

2018

CZO Network Attributes Table. CZO Network (2018): CZO National Office Cross-CZO National

2018

A global atlas of the dominant bacteria found in soil . Delgado-Baquerizo, M., Oliverio, AM, Brewer, TE, Benavent-Gonzalez, A., Eldridge, DJ, Bardgett, RD, Maestre, FT, Singh, BK, and Fierer, N (2018): Science 359: 320-325

2018

Anthropocene Landscape Change and the Legacy of Nineteenth- and Twentieth-Century Mining in the Fourmile Catchment, Colorado Front Range. Dethier, D. P., Ouimet, W. B., Murphy, S. F., Kotikian, M., Wicherski, W., & Samuels, R. M. (2018): Annals of the American Association of Geographers, 1-21

2018

Solifluction Lobes on Niwot Ridge: Using Drones, Time-lapse Cameras, and Weather Data to Study Periglacial Features . Dylan Lanka (2018): Senior honors thesis, Physical Geography, University of Colorado.

2018

Quasi-steady evolution of hillslopes in layered landscapes: An analytic approach . Glade, R and Anderson, RS (2018): JGR Earth Surface 123, 26-45

2018

Humidity determines snowpack ablation under a warming climate. Harpold A.A. and Brooks P.D. (2018): PNAS 115(6): 1215-1220 Cross-CZO

2018

Alpine catena response to nitrogen deposition and its effect on the aquatic system. Iggy Litaora, M., Suding, K., Anderson, S.P., Lituse, G., Caine, N. (2018): Catena 170 (2018) 108–118

2018

Examining the Role of Organic Compounds and Secondary Minerals on Ga/Al Fractionation in the Critical Zone. Justin B. Richardson*, Benjamin W. Kumpf, and Louis A. Derry (2018): Abstract 12c:345 presented at 2018 Goldschmidt Meeting, Boston, MA 12-17 August Cross-CZO

2018

Snowmelt‐driven trade‐offs between early and late season productivity negatively impact forest carbon uptake during drought. Knowles J.F., Molotch N.P., Trujillo E. & Litvak M.E. (2018): Geophysical Research Letters 45: 3087–3096 Cross-CZO

2018

On the use of a snow aridity index to predict remotely sensed forest productivity in the presence of bark beetle disturbance . Knowles, JK, L. Lestak, N.P. Molotch (2018): Water Resources Research, 53: 4891-4906

2018

Developing and exploring a theory for the lateral erosion of bedrock channels for use in landscape evolution models. Langston, AL and Tucker, GE (2018): Earth Surface Dynamics 6: 1-27

2018

Which way do you lean? Using slope aspect variations to understand Critical Zone processes and feedbacks. Pelletier J. D., Barron‐Gafford G. A., Gutiérrez‐Jurado H., Hinckley E.‐L. S., Istanbulluoglu E., McGuire L. A., Niu G.‐Y., Poulos M. J., Rasmussen C., Richardson P., Swetnam T. L., and Tucker G. E. (2018): Earth Surface Processes and Landforms, 43(5): 1133–1154 Cross-CZO

2018

A net ecosystem carbon budget for snow dominated forested headwater catchments: linking water and carbon fluxes to critical zone carbon storage. Perdrial J., Brooks P.D., Swetnam T., Lohse K.A., Rasmussen C., Litvak M., Harpold A.A., Zapata-Rios X., Broxton P., Mitra B., Meixner M., Condon K., Huckle D., Stielstra C., Vázquez-Ortega A., Lybrand R., Holleran M., Orem C., Pelletier J., Chorover J. (2018): Biogeochemistry 138{3): 225–243 Cross-CZO

2018

Mercury sourcing and sequestration in weathering profiles at six Critical Zone Observatories. Richardson, Justin B., Arnulfo A. Aguirre, Heather L. Buss, A. Toby O'Geen, Xin Gu, Daniella M. Rempe, and Daniel deB. Richter (2018): Global Biogeochemical Cycles, 32(10):1542-1555 Cross-CZO National

2018

Ideas and perspectives: Strengthening the biogeosciences in environmental research networks. Richter, D.D., S.A. Billings, P.M. Groffman, E.F. Kelly, K.A. Lohse, W.H. McDowell, T.S. White, S. Anderson, D.D. Baldocchi, S. Banwart, S. Brantley, J.J. Braun, Z.S. Brecheisen, C.W. Cook, H.E. Hartnett, S.E. Hobbie, J. Gaillardet, E. Jobbagy, H.F. Jungkunst, C.E. Kazanski, J. Krishnaswamy, D. Markewitz, K. O’Neill, C.S. Riebe, P. Schroeder, C. Siebe, W.L. Silver, A. Thompson, A. Verhoef, G. Zhang (2018): Biogeosciences 15: 4815-4832 Cross-CZO National

2018

Erosion and channel changes due to extreme flooding in the Fourmile Creek catchment, Colorado . Wicherski, W, Dethier, DP, and Ouimet, WB (2018): Geomorphology 294: 87-98

2017

Colloidal transport in the Gordon Gulch catchment of the Boulder Creek CZO and its effect on C‐Q relationships for silicon. Aguirre A.A., Derry L.A., Mills J.T., Anderson S.P. (2017): Water Resources Research 53, 2368–2383, Cross-CZO National

2017

Growing new generations of critical zone scientists. Wymore, Adam S., Nicole R. West, Kate Maher, Pamela L. Sullivan, Adrian Harpold, Diana Karwan, Jill A. Marshall, Julia Perdrial, Daniella M. Rempe and Lin Ma (2017): Earth Surface Processes and Landforms 42 (14): 2498-2502 Cross-CZO National

2017

Boulder Creek Critical Zone Observatory Annual report 2017. Anderson, S. (2017): Boulder Creek CZO, University of Colorado Boulder

2017

Topoclimate effects on growing season length and montane conifer growth in complex terrain . Barnard, DM, Barnard, HR, and Molotch, NP (2017): Environmental Research Letters 12

2017

Designing a network of critical zone observatories to explore the living skin of the terrestrial Earth. Brantley, S.L., McDowell, W.H., Dietrich, W.E., White, T.S., Kumar, P., Anderson, S., Chorover, J., Lohse, K.A., Bales, R.C., Richter, D., Grant, G., and Gaillardet, J. (2017): Earth Surface Dynamics, 5, 841–860 Cross-CZO National

2017

Reviews and syntheses: on the roles trees play in building and plumbing the critical zone. Brantley, Susan L., David M. Eissenstat, Jill A. Marshall, Sarah E. Godsey, Zsuzsanna Balogh-Brunstad, Diana L. Karwan, Shirley A. Papuga, Joshua Roering, Todd E. Dawson, Jaivime Evaristo, Oliver Chadwick, Jeffrey J. McDonnell, Kathleen C. Weathers (2017): Biogeosciences, 14, 5115-5142 Cross-CZO National

2017

Regional sensitivities of seasonal snowpack to elevation, aspect, and vegetation cover in western North America. Christopher J. Tennant, Adrian A. Harpold, Kathleen Ann Lohse, Sarah E. Godsey, Benjamin T. Crosby, Laurel G. Larsen, Paul D. Brooks, Robert W. Van Kirk, Nancy F. Glenn (2017): Water Resources Research 53 Cross-CZO National

2017

Sources of streamflow along a headwater catchment elevational gradient. Cowie, R. M., Knowlesa, J. F., Daileya, K. R., Williamsa, M. W., Millsa, T. J., Molotch, N. P. (2017): Journal of Hydrology Volume 549, June 2017, Pages 163–178

2017

Dating of river terraces along Lefthand Creek. Foster, M.A., Anderson, R.S., Gray, H.J., and Mahan, S.A (2017): Geomorphology

2017

Large near-term projected snowpack loss over the western United States. Fyfe, J.C., C. Derksen, L. Mudryk, N.C. Swart, N.P. Molotch, G.M. Flato, X. Zhang, H. Wan, V.K. Arora, J. Scinocca, Y. Jiao (2017): Nature Communications, Vol. 8, article: 14996,

2017

Block-controlled hillslope form and persistence of topography in rocky landscapes. Glade, R. C., Anderson, R. S., and Tucker, G. E. (2017): Geology, First published on 2017-01-23 12:45:18, doi:10.1130/G38665.1

2017

Impacts of increasing aridity and wildfires on aerosol loading in the intermountain western US. Hallar, A.G., N.P. Molotch, J. Hand, L.R. Lestak, I.B. McCubbin, B. Livneh, R. Petersen, J. Michalsky, D. Lowenthal (2017): Environmental Research Letters, 12(1): article 014006

2017

Runoff generation in Betasso catchment: Investigation of Hortonian overland flow . Hammack, Garret (2017): Senior honors thesis, Physical Geography, University of Colorado.

2017

How soil water storage moderates climate changes effects on transpiration, across the different climates of the Critical Zone Observatories. Heckman, C.; Tague, C. (2017): Fall Meeting, American Geophysical Union, December 2017. Abstract H23H-1777. Cross-CZO National

2017

Critical zone properties control the fate of nitrogen during experimental rainfall in montane forests of the Colorado Front Range. Hinckley, E. S., Ebel, B. A., Barnes, R. T., Murphy, S. F., Anderson, S. P. (2017): Biogeochemistry (2017) 132: 213. doi:10.1007/s10533-017-0299-8

2017

Geochemical evolution of the Critical Zone across variable time scales informs concentration-discharge relationships: Jemez River Basin Critical Zone Observatory. McIntosh J.C., Schaumberg C., Perdrial J., Harpold A., Vázquez-Ortega A., Rasmussen C., Vinson D., Zapata-Rios X., Brooks P.D., Meixner T., Pelletier J., Derry L., Chorover J. (2017): Water Resources Research 53(5): 4169–4196 Cross-CZO National

2017

Colloid mobilization and seasonal variability in a semi-arid, headwater streamMills, TJ, Anderson, SP, Bern, C, Aguirre, A, and Derry, LA . Mills, TJ, Anderson, SP, Bern, C, Aguirre, A, and Derry, LA (2017): J Environ. Qual. 46 (1): 88-95

2017

A model of three-dimensional topographic stresses with implications for bedrock fractures, surface processes, and landscape evolution. Moon, S., J.T. Perron, S.J. Martel, W.S. Holbrook, and J. St. Clair (2017): Journal of Geophysical Research: Earth Surface 122 (4): 823-846 Cross-CZO

2017

Short-Term Wildfire Impacts in a Rocky Mountain Catchment: Searching for Evidence of Riverine Black Carbon Transport after the Cold Springs Wildfire. Ragar, Dillon (2017): Senior honors thesis, Environmental Studies, University of Colorado.

2017

Gilbert’s soil production paradigm and a critical zone’s size-dependent fractionation of particles. Richter, D.deB., J. Austin, R. Anderson, A. Bacon, S. Brantley, Z. Brecheisen, A. Cherkinsky, W.S. Holbrook, V. Marcon, J.Pachon, P. Schroeder, A. Thompson, and A. Wade (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO

2017

Gilbert's soil production paradigm applied to a critical zone's fractionation of particle sizes. Richter, Daniel deB., Jason Austin, Robert S Anderson, Allan R Bacon, Susan L Brantley, Zachary Brecheisen, Paul A Schroeder, Anna Wade, W. Steven Holbrook, Virginia Marcon, Aaron Thompson (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017 Cross-CZO

2017

Fostering Collaboration Across the US Critical Zone Observatories Network. Sharkey, S. and White, T. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec Cross-CZO National

2017

Characterizing hyporheic exchange processes using high-frequency electrical conductivity-discharge relationships on subhourly to interannual timescales. Singley, J. G., Wlostowski, A. N., Bergstrom, A. J., Sokol, E. R., Torres, C. L., Jaros, C., Wilson, C. E., Hendrickson, P. J., Gooseff, M. N. (2017): Water Resources Research 53, 4124–4141 Cross-CZO National

2017

New Opportunities for Critical Zone Science. Sullivan, P.L., Wymore, A.S., McDowell, W.H. et al. (2017): 2017 CZO Arlington Meeting White Booklet Cross-CZO National

2017

Topographically driven differences in energy and water constrain climatic control on forest carbon sequestration. Swetnam T.L., Brooks P.D., Barnard H.R., Harpold A.A., and Gallo E.L. (2017): Ecosphere 8(4): e01797 Cross-CZO

2017

Topographically driven differences in energy and water constrain climatic control on forest carbon sequestration . Swetnam, TL, Brooks, PD, Barnard, HR, Harpold, AA, and Gallo, EL (2017): Ecosphere 8 (4): e01797. Cross-CZO

2017

Quantifying the effects of wildfire on changes in soil properties by surface burning of soils from the Boulder Creek Critical Zone Observatory. Wieting, C., Ebel, B. A., Singha, K. (2017): Journal of Hydrology: Regional Studies Volume 13, October 2017, Pages 43-57

2017

Understanding the geomorphic imprint of the Northern Pocket Gopher on the subalpine zone of the Colorado Front Range . Winchell, Eric W. (2017): Ph.D. dissertation, Dept. of Geological Sciences, University of Colorado, Boulder.

2016

Boulder Creek Critical Zone Observatory (BcCZO-II) Annual report 2016. Anderson, S. (2016): Boulder Creek CZO, University of Colorado Boulder

2016 (In Review)

Snowmelt Rate Dictates Streamflow . Barnhart, T.B., Molotch, N.P., Harpold, A., Knowles, J., Livneh, B., and Schneider, D., (2016): Geophysical Research Letters.

2016

Dissolved organic matter transport reflects hillslope to stream connectivity during snowmelt in a montane catchment. Burns, M.A., Barnard, H.R., Gabor, R.S., McKnight, D.M., and Brooks, P.D. (2016): Water Resources Research 52 (6)

2016

Relic DNA is abundant in soil and obscures estimates of soil microbial diversity. Carini, P., Marsden, P.J., Leff, J.W., Morgan, E.E., Strickland, M., and Fierer, N. (2016): bioRxiv preprint

2016

Boulder Creek Critical Zone Observatory Data Management Plan. Fey, J. (2016): Research Ideas and Outcomes 2: e9419 (06 Jun 2016)

2016

Assessing the effect of a major storm on 10Be concentrations and inferred basin-averaged denudation rates. Foster, M.A. and Anderson, R.S. (2016): Quaternary Geochronology 34: 58-68

2016

The 2016 Kirk Bryan field trip: Quaternary landslides, fluvial terraces, and recent geomorphic events along the Colorado Front Range. Foster, M.A., Anderson, R.S., Rindfleisch, P.R., Birkeland, P.W., Redwine, J.R., Pitlick, J., and *Glade, R.C. (2016): In Keller, S.M., and Morgan, M.L., eds., Unfolding the Geology of the West: Geological Society of America Field Guide 44, p. 267–289

2016

Optimizing available network resources to address questions in environmental biogeochemistry . Hinckley, E-L, Anderson, SP, Baron, JS, Blanken, PD, Bonan, G., Bowman, WD, Elmendorf, S, Fierer, N, Fox, A, Goodman, K, Jones, K, Lombardozzi, D, Lunch, C, Neff, J, SanClements, M, Suding, K, and Wieder, W (2016): BioScience, Volume 66, Issue 4, 1 April 2016, Pages 317–326,

2016

Examining diel patterns of soil and xylem moisture using electrical resistivity imaging. Mares, R., Barnard, H. R., Mao, D., Revil, A., Singha, K. (2016): Journal of Hydrology 536 (2016) 327–338

2016

Variation of organic matter quantity and quality in streams at Critical Zone Observatory watersheds. Miller, Matthew P., Boyer, Elizabeth W., McKnight, Diane M., Brown, Michael G., Gabor, Rachel S., Hunsaker, Carolyn T., Iavorivska, Lidiia, Inamdar, Shreeram, Johnson, Dale W., Kaplan, Louis A., Lin, Henry, McDowell, William H., Perdrial, Julia N. (2016): Water Resources Research, 52 (10): 8202–8216 Cross-CZO

2016

Modeling the influence of preferential flow on the spatial variability and time-dependence of mineral weathering rates. Pandey, S. And Rajaram, H. (2016): Modeling the influence of preferential flow on the spatial variability and time-dependence of mineral weathering rates

2016

A similarity solution for reaction front propagation in a fracture-matrix system . Rajaram, H. and Arshadi, M. (2016): Phil. Trans. R. Soc. A 374: 20150424

2016

Hillslope-derived blocks retard river incision. Shobe, C., G.E Tucker, and R.S. Anderson (2016): Geophysical Research Letters 43

2016

A method for simultaneous measurement of soil bacterial abundances and community composition via 16S rRNA gene sequencing. Smets, W., J.W. Leff, M.A. Bradford, R.L. McCulley, S. Lebeer, N. Fierer (2016): Soil Biology & Biochemistry 96: 145-151

2016

Gophers as geomorphic agents in the Colorado Front Range . Winchell, E.W., Anderson, R.S., (2016): Geomorphology 264: 41-51

2015

Particle trajectories on hillslopes: Implications for particle age and 10Be structure. Anderson, R.S. (2015): JGR-Earth Surface 120: 1626–1644

2015

Bedrock incision and gravel deposition along the rivers in the High Plains . Akquia, S. (2015): Senior thesis, Geography, University of Colorado, 31 pp.

2015

Trajectories of soil particles on a hillslope conveyor: Implications for particle age and Be-10. Anderson, R. S. (2015): EP34A-05 Landscape Evolution from a Critical Zone Science Perspective III,

2015

Pinched topography initiates the critical zone: Geophysical imaging provides a clearer picture of how rock turns into soil . Anderson, R. S. (2015): Science 350: 506-507

2015

Force of nature: A monumental flood gives CU-Boulder researchers a rare opportunity to study the effects of extreme weather on erosion. Anderson, R. S., Anderson, S., Anderson, S. P. (2015): Research and creative work 2014–15, PG.3-5

2015

Boulder Creek Critical Zone Observatory (BcCZO-II) Annual report 2015. Anderson, S. (2015): Boulder Creek CZO, University of Colorado Boulder

2015

Exhumation by debris flows in the 2013 Colorado Front Range storm. Anderson, S.W., Anderson, S. P., and Anderson, R. S. (2015): Geology, Geological Society of America

2015

Seeking GUTH, the Grand Unified Theory of Hillslopes: Linking weathering, erosion and landscapes. Anderson, SP, Dietrich, WE, Rempe, D, West, N, Brantley, SL, Bacon, AR, Buss, HL, Fisher, BA, Flinchum, B, Holbrook, S, Klos, PZ, Leopold, M, Moon, S, Nielson, T, Pelletier, J, and Terry, N. (2015): EP34A-01 Landscape Evolution from a Critical Zone Science Perspective III, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec. Cross-CZO

2015

Weathering, exhumation, and sediment production in granite steeplands. Anderson, SP, Foster, MA, Anderson, RS, and Anderson, SW (2015): 25th Goldschmidt, Prague, August 16-21, 2015.

2015

Aspect Controls on Bedrock Fracturing and Seismic Velocity within the Boulder Creek Critical Zone Observatory . Bandler, A., Magill, C., Hendricks, S., and Singha, K. (2015): H51R-06 Hydrogeophysical Characterization of the Critical Zone I, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Aspect Controls on Bedrock Fracturing and Seismic Velocity within the Boulder Creek Critical Zone Observatory. Bandler, A., Magill, R.C., Hendricks, S., Singha, K. (2015): American Geophysical Union Fall Meeting. San Francisco, CA. 18 December 2015. Oral Presentation.

2015

Frontiers in International Critical Zone Science - Beijing, China Workshop Report. Banwart, S. and Zhu, C. (2015): Beijing Workshop Report, May 21-23, 2014 Cross-CZO National

2015

Variation in Montane Forest Transpiration Dormancy and Seasonality Along an Elevation Gradient. Barnard, D., Barnard, H., and Molotch, N. (2015): H21C-1390 Ecohydrology in the Critical Zone I Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Rapid Snowmelt Leads to Greater Streamflow Across the Western United States. Barnhart, T. B., B. Livneh, N.P. Molotch, J. F. Knowles, A. A. Harpold and D. Schneider (2015): C41F-02 Modeling Snow and Streamflow for Water Supply Forecasts from Mountain Basins in a Rapidly Changing Climate II, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Sensitivity of Hydrologic Partitioning to Snowpack Dynamics. Barnhart, T.B., Molotch, N.P., Harpold, A., Knowles, J., Livneh, B., and Schneider, D. (2015): University of Colorado Hydrologic Sciences Symposium: Water in Motion: The role of an irreplaceable resource, University of Colorado, Boulder, April 2-3. Cross-CZO

2015

Sensitivity of hydrologic partitioning to snowpack dynamics. Barnhart, T.B., Molotch, N.P., Harpold, A., Livneh, B., Knowles, J., and Anderson, S. (2015): Water Sustainability and Climate Principal Investigator Meeting at the National Science Foundation, Arlington, VA, February 9-11. Cross-CZO

2015

Sensitivity of Hydrologic Partitioning to Snowpack Dynamics . Barnhart, T.B., Molotch, N.P., Livneh, B., Harpold, A.A., Knowles, J.F., Anderson, S.P., Bales, R.C., and Hunsaker, C.T. (2015): Poster, presented at the Western Snow Conference, Grass Valley, CA, April 20-23. Cross-CZO

2015

Complex terrain alters temperature and moisture limitations of forest soil respiration across a semiarid to subalpine gradient . Berryman, E.M., Barnard, H.R., *Adams, H.R., *Burns, M.A., Gallo, E., and Brooks, P.D. (2015): Journal of Geophysical Research- Biogeosciences, 120, 707-723

2015

Recent tree die-off has little effect on streamflow in contrast to expected increases from historical studies. Biederman J.A., Somor A.J., Harpold A.A., Gutmann E.D., Breshears D.D., Troch P.A., Gochis D.J., Scott R.l., Meddens A.J.H., and Brooks P.D. (2015): Water Resources Research 51(12): 9775-9789 Cross-CZO

2015

Scale-dependent interactions between vegetation, landscape, and climate: How critical zone structure influences ecohydrological resilience in a rapidly changing world. Brooks, P., Barnard, H., Chorover, J., Fan, Y., Gallo, E., Godsey, S., Maxwell, R., McNamara, J., Swetnam, Y., and Tague, N (2015): H23J-05 Ecohydrology in the Critical Zone II, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec. Cross-CZO

2015

Quantifying the effects of vegetation structure on snow accumulation and ablation in mixed-conifer forests. Broxton P. D., Harpold A. A., Biederman J. A., Troch P. A., Molotch N. P., and Brooks P. D. (2015): Ecohydrology 8(6): 1073-1094 Cross-CZO

2015

The river as a chemostat: Fresh perspectives on dissolved organic matter flowing down the river continuum . Creed, I. F., McKnight, D. M., Pellerin, B. A., Green, M. B., Bergamaschi, B. A., Aiken, G. R., Burns, D. A., Findlay, S. E. G., Shanley, J. B., Striegl, R. G. (2015): Canadian Journal of Fisheries and Aquatic Sciences 72(8):1272-1285

2015

Hydrodynamic control of benthic mats of Didymosphenia geminata at the reach scale. Cullis, J., McKnight, M. and Spaulding, S. (2015): Canadian Journal of Fisheries and Aquatic Sciences

2015

Aspect-dependent soil saturation and insight into debris-flow initiation during extreme rainfall in the Colorado Front Range. Ebel, B.A., Rengers, F. K., and Tucker, G.E. (2015): Geology 43 (8): 659-662

2015

Verrucomicrobia and their role in soil methanol consumption. Fierer, N (2015): B21J-02 Microbial Controls of Biogeochemical Cycling I, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Absolute Dating of Strath Terraces along the Western High Plains Reveals Complicated History of Occupation and Incision. Foster, M.A., Anderson, R.S., Gray, H., and Mahan, S (2015): EP53A-0951 Earth and Planetary Surface Processes: General Contributions Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Using 10Be to deduce rates of landscape evolution and mobile-regolith residence times in Gordon Gulch, Boulder Creek CZO. Foster, M.A., Anderson, R.S., Wyshnytzky, C.E., Ouimet, W.B., Dethier, D.P (2015): GSA Bulletin 127 (5/6): 862–878

2015

Influence of Leaching Solution and Catchment Location on the Fluorescence of Water-Soluble Organic Matter. Gabor, R. S., Burns, M. A., Lee, R. H., Elg, J. B., Kemper, C. J., Barnard, H. R, and McKnight, D. M. (2015): Environmental Science & Technology Article ASAP

2015

Honoring the Reality of Blocky Hillslopes: Case Study of a Vertical Dike at Shiprock, New Mexico. Glade, R., and Anderson, R.S. (2015): EP53B-1023 Erosion and Sediment Transport in Steep Landscapes III Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Soil moisture response to snowmelt timing in mixed-conifer subalpine forests. Harpold A. A., Molotch N. P., Musselman K. N., Bales R. C., Kirchner P. B., Litvak M. and Brooks P. D. (2015): Hydrological Processes 29(12): 2782–2798 Cross-CZO

2015

Laser vision: lidar as a transformative tool to advance critical zone science. Harpold, A. A., Marshall, J. A., Lyon, S. W., Barnhart, T. B., Fisher, B. A., Donovan, M., Brubaker, K. M., Crosby, C. J., Glenn, N. F., Glennie, C. L., Kirchner, P. B., Lam, N., Mankoff, K. D., McCreight, J. L., Molotch, N. P., Musselman, K. N., Pelletier, J., Russo, T., Sangireddy, H., Sjöberg, Y., Swetnam, T., and West, N. (2015): Hydrol. Earth Syst. Sci., 19, 2881-2897 Cross-CZO National

2015

Assessing Aspect Control on Adjacent Weathering Hillslopes Using Seismic Anisotropy Velocity Models within the Boulder Creek Critical Zone Observatory, Colorado. Hendricks, S., Singha, K., Bandler, A (2015): The Geological Society of America 2015 Annual Meeting. Baltimore, MD. 4 November 2015. Poster

2015

Common Critical Zone Observatory (CZO) Infrastructure and Measurements. J. Chorover, S. Anderson, A. K. Aufdenkampe, R. C. Bales, S. L. Brantley, W. Dietrich, P. Kumar, K. A. Lohse, W. McDowell, D. Richter, T. White (2015): A Guide Prepared By CZO PIs, May 05, 2015 Cross-CZO National

2015 (In Press)

The relative contributions of alpine and subalpine ecosystems to the water balance of a mountainous, headwater catchment . Knowles, J.F., Harpold, A.A., Cowie, R., Zeliff, M., Barnard, H.R., Burns, S.P., Blanken, P.D., Morse, J.F., and Williams, M.W. (2015): Hydrological Processes, in press

2015

Evidence for climatic and hillslope-aspect controls on vadose zone moisture and saprolite weathering. Langston, A. L., Tucker,G. E., Anderson, R. S. and Anderson, S. P. (2015): ESPL, 40 1254-1269

2015

Interpreting climate-modulated processes of terrace development along Colorado Front Range using a landscape evolution model. Langston, A.L., G.E. Tucker, R.S. Anderson (2015): JGR-Earth Surface 120: 2121-2138

2015

Snowmelt as a driver of ecosystem response in water limited mountain forests of the Western US. Molotch, N., Trujillo, E. (2015): H12B-01 Advances in Ecohydrology of Water-Stressed Environments I, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec.

2015

Three-dimensional topographic stress controls on bedrock fractures and landscape evolution. Moon, S., Perron, J.T., Martel, S., Holbrook, W.S., St. Clair, J., and Singha, K. (2015): EP33D-02 Landscape Evolution from a Critical Zone Science Perspective II, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Corrigendum: The role of precipitation type, intensity, and spatial distribution in source water quality after wildfire. Murphy SF, Writer JH, McCleskey RB, and Martin DA (2015): (2015 Environ. Res. Lett. 10 084007). Environmental Research Letters 11, 179504

2015

The role of precipitation type, intensity, and spatial distribution in source water quality after wildfire. Murphy, S. F., Writer, J. H., McCleskey, R. B., and Martin, D. A. (2015): Environ. Res. Lett. 10 084007

2015

Factors Affecting Source-Water Quality after Disturbance of Forests by Wildfire. Murphy, S., Martin, D., McCleskey, R., and Writer, J. (2015): H34B-04 Disturbance Hydrology: Assessing the Impacts of Abrupt Landscape Changes on Watershed Hydrology III, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Resolving the Multi-scale Behavior of Geochemical Weathering in the Critical Zone Using High Resolution Hydro-geochemical Models. Pandey, S, and Rajaram, H. (2015): H52C-07 Modeling the Critical Zone: Integrating Processes and Data across Disciplines and Scales I, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Advances in reactive transport modeling of geochemical systems: Applications to acid rock drainage and the evolution of the critical zone. Pandey, S. (2015): Pd.D. dissertation, Dept. of Civil and Environmental Engineering, University of Colorado, Boulder.

2015

Saprolite formation rates using U-series isotopes in a granodiorite weathering profile from Boulder Creek CZO (Colorado, USA) . Pelt, E, Chabaux, F, Mills, TJ, Anderson, SP, and Foster, MA (2015): Geophysical Research Abstracts 17, EGU2015-11724.

2015

The Influence of Hillslope Steepness on Sediment Supply Size Distribution along Rivers Draining the Colorado Front Range. Sato, M., Shrobe, C., and Tucker, G. (2015): EP53A-0960 Earth and Planetary Surface Processes: General Contributions Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Big Blocks and River Incision: A Numerical Modeling Perspective. Shrobe, C., Tucker, G.E., and Anderson, R.S. (2015): EB53B-1022 Erosion and Sediment Transport in Steep Landscapes III Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Geophysical imaging reveals topographic stress control of bedrock weathering. St. Clair, J., S. Moon, W. S. Holbrook, J. T. Perron, C. S. Riebe, S. J. Martel, B. Carr, C. Harman, K. Singha, D. deB. Richter (2015): Science 350 (6260): 534-538 Cross-CZO National

2015

Climatic and landscape influences on soil moisture are primary determinants of soil carbon fluxes in seasonally snow-covered forest ecosystems. Stielstra C.M., Lohse K.A., Chorover J., McIntosh J.C., Barron-Gafford G.A., Perdrial J.N., Litvak M., Barnard H.R., Brooks P.D. (2015): Biogeochemistry 123(3): 447–465 Cross-CZO

2015

Topographic Control of Aboveground Carbon Pools Across an Environmental Gradient, Eastern Slope of the Rocky Mountains, Colorado. Swetnam T., Brooks P., Gallo E., Barnard H., Harpold A. (2015): Abstract H21C-1382 presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec. Cross-CZO

2015

Rare Earth Elements as Reactive Tracers of Biogeochemical Weathering in Forested Rhyolitic Terrain. Vázquez-Ortega A., Perdrial J., Harpold A., Zapata-Ríos X., Rasmussen C., McIntosh J., Schaap M., Pelletier J.D., Brooks P.D., Amistadi M.K., Chorover J. (2015): Chemical Geology 391: 19-32 Cross-CZO

2015

Chapter 2 – The Role of Critical Zone Observatories in Critical Zone Science. White T., Brantley S., Banwart S., Chorover J., Dietrich W., Derry L., Lohse K., Anderson S., Aufdendkampe A., Bales R., Kumar P., Richter D., McDowell B. (2015): Developments in Earth Surface Processes 19: 15–78 Cross-CZO National

2015

Exploring the landscape evolution of the subalpine meadow-forest system driven by the geomorphic work performed by the Northern Pocket Gopher. Winchell, E., Anderson, R. S., Lombardi., E., and Doak, D. (2015): EP41C-0936 Mechanistic Underpinnings of Damage, Disruption, and Downslope Transport of Rock and Regolith Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Early snowmelt decreases ablation period carbon uptake in a high elevation, subalpine forest, Niwot Ridge, Colorado, USA. Winchell, T., Molotch, N., and Barnard, D. (2015): H31H-1525 The Hydrology–Vegetation–Climate Nexus: Identifying Process Interactions and Environmental Shifts in Mountain Catchments I Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Meteoric 10Be, clay, and extractable iron depth profiles in the Colorado Front Range: Implications for understanding soil mixing and erosion. Wyshnytzky, C., Ouimet WB, McCarthy, J, Dethier, DP, Shroba, RR, Bierman, PR, and Rood, DH (2015): Catena 127: 32-45

2015

Spatial and temporal variations in meteoric 10Be inventories and long-term deposition rates, Colorado Front Range. Wyshnytzky, C., Ouimet WB, McCarthy, J, Dethier, DP, Shroba, RR, Bierman, PR, and Rood, DH (2015): Quaternary Science Reviews

2015

Putting weathering into a landscape context: Variations in exhumation rates across the Colorado Front Range. [Invited] Anderson, SP, Foster, MA, Anderson, SW, Dühnforth, M., and Anderson, RS (2015): Geophysical Research Abstracts 17, EGU2015-7992.

2014

Topography alters tree growth–climate relationships in a semi-arid forested catchment. Adams H. R., Brnard H. R., and Loomis A. K. (2014): Ecosphere, Volume 5(11) v Article 148

2014

Linking topography, hydrology, climate and ecoloty in semi-arid forests: Within catchment annual tree growth and water use efficiency. Adams, H. R. (2014): MA thesis, Dept. of Geography, University of Colorado, Boulder.

2014

The effects of interannual climate variability on the moraine record. Anderson, L., Roe, G., and Anderson R. (2014): Geology 42(1): 55-58

2014

Evolution of lumpy glacial landscapes. Anderson, R. S. (2014): Geology 42(8): 679–682

2014

Boulder Creek Critical Zone Observatory (BcCZO-II) Annual report 2014. Anderson, S. (2014): Boulder Creek CZO, University of Colorado Boulder

2014

Variation in critical zone processes and architecture across slope aspects, . Anderson, SP, Hinckley, E-L, Kelly, P, Langston, A (2014): Procedia Earth and Planetary Science 10: 28-33

2014

Reconciling stream dissolved organic matter with snowmelt-driven subsurface flowpaths in a montane, headwater catchment (Invited). Barnard H., Burns M., McKnight D., Gabor R., Brooks P. (2014): Abstract H53K-03 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec. Cross-CZO

2014

Sensitivity of hydrologic partitioning to snowpack dynamics, Como Creek, CO. Barnhart, T.B., Molotch N.P., Harpold A.A., Knowles J.F., and Anderson S.P. (2014): Abstract T4I, poster, CZO All Hands Meeting, Fish Camp, Calif., 22-24 Sept.

2014

Sensitivity of hydrologic partitioning to snowpack dynamics, Como Creek, CO, . Barnhart, T.B., Molotch N.P., Harpold A.A., Knowles J.F., and Anderson S.P. (2014): Abstract H51D-0643, poster, AGU Fall Meeting, San Francisco, Calif., 15-19 Dec.

2014

Multi-scale Observations of Snow Accumulation and Peak Snowpack Following Widespread, Insect-induced Lodgepole Pine Mortality. Biederman J. A., Brooks P. D., Harpold A. A., Gutmann E., Gochis D. J., Reed D. E., and Pendall E. (2014): Ecohydrology 7(1): 150–162 Cross-CZO

2014

Increased evaporation following widespread tree mortality limits streamflow response. Biederman J.A., Harpold A.A., Gochis D.J., Ewers B.E., Reed D.E., Papuga S.A., and Brooks P.D. (2014): Water Resources Research 50(7): 5395–5409 Cross-CZO

2014

EP33B-3635 Using shallow seismic tomography to characterize patterns of near-surface weathering and the mobile-immobile regolith transition: Implications for the erodibility and morphology of hillslopes . Brian Clarke • Eric Kirby • Douglas Burbank • Nicole West (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th Cross-CZO

2014

Hillslope Dissolved Organic Matter Transport and Transformation in a Semi-Arid Headwater Catchment . Burns, M. (2014): MA thesis, Dept. of Geography, University of Colorado, Boulder.

2014

Snow temperature changes within a seasonal snowpack and their relationship to turbulent fluxes of sensible and latent heat. Burns, S.P., P.D. Blanken, M.W. Williams, N.P. Molotch, B. Seok, J.K. Knowles, R.K. Monson, A.A. Turnipseed (2014): Journal of Hydrometeorology, 15, 117-142

2014

Diel flow pulses drive particulate organic matter transport from microbial mats in a glacial meltwater stream in the McMurdo Dry Valleys. Cullis, J.D.S., Stanish, L.F., and McKnight, D.M. (2014): Water Resources Research 50: 86-97

2014

Common questions of the US NSF–supported Critical Zone Observatories. Dietrich, W.E. and Lohse, K. (2014): A Guide Prepared By CZO PIs Cross-CZO National

2014

The Role of Dynamic Storage in the Response to Snowmelt Conditions in the Southwestern United States: Flux Hysteresis at the Catchment Scale. Driscoll J., Meixner T., Ferré T., Williams M., Sickman J., Molotch N., Jepsen S. (2014): Abstract H51O-0825 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec. Cross-CZO

2014

Fluorescence Indices and their Interpretation . Gabor, R., A Baker, D. McKnight, *M. Miller (2014): In Aquatic Organic Matter Fluorescence, Coble, P.G., Lead, J., Baker, A., Reynolds, D.M., and Spencer, R.G.M., eds., Cambridge University Press , p. 303-339, isbn: 9781139897907

2014

From the litter layer to the saprolite: Chemical changes in water-soluble soil organic matter and their correlation to microbial community composition. Gabor, R., Eilers, K., McKnight, D., Fierer, N., Andersond, S. (2014): Soil Biology & Biochemistry 68 (2014) 166e176

2014

Changes in snow accumulation and ablation following the Las Conchas Forest Fire, New Mexico, USA. Harpold A.A., Biederman J.A., Condon K., Merino M., Korgaonkar Y., Nan T., Sloat L.L., Ross M. and Brooks P.D. (2014): Ecohydrology 7(2): 440–452 Cross-CZO

2014

LiDAR-derived snowpack data sets from mixed conifer forests across the Western United States. Harpold, A.A., Q. Guo, N. Molotch, P. D. Brooks, R. Bales, J.C. Fernandez-Diaz, K.N. Musselman, and T.L. Swetnam, P. Kirchner, M. Meadows, J. Flanagan, R. Lucas (2014): Water Resources Research 50(3): 2749-2755 Cross-CZO

2014

Aspect control of water movement on hillslopes near the rain-snow transition of the Colorado Front Range, USA . Hinckley, E-L S., Ebel, B.A., Barnes, R.T., Anderson, R.S., Williams, M.W. and Anderson. S.P. (2014): Hydrological processes 28: 74-85

2014

Nitrogen retention and transport differ by hillslope aspect at the rain-snow transition of the Colorado Front Range. Hinckley, E.-L., Barnes, R.T., Anderson, S.P., Williams, M.W., and Bernasconi, S. (2014): Journal of Geophysical Research Biogeosciences 119(7): 1281-1296

2014

LiDAR measurement of seasonal snow accumulation along an elevation gradient in the southern Sierra Nevada, California. Kirchner, P.B., Bales, R.C., Molotch, N.P., Flanagan, J., Guo, Q (2014): Hydrology and Earth System Sciences 18: 4261-4275 Cross-CZO

2014

The torrential and the mundane: Climate controls on hillslope weathering, channel bed material, and landscape evolution in the Colorado Front Range. Langston, A. L. (2014): Ph.D. dissertation, Dept. of Geological Sciences, University of Colorado, Boulder.

2014

Filling in the gaps: Inferring spatially distributed precipitation from gauge observations over complex terrain. Livneh, B., J. S. Deems, D. Schneider, J. Barsugli, and N. Molotch (2014): Water Resour. Res., 50, 8589–8610

2014

Snow cover depletion curves and snow water equivalent reconstruction: six decades of hydrologic remote sensing applications . Molotch, N.P., Durand, M.T., Guan, B., Margulis, S.A., and Davis, R.E. (2014): In Lakshmi, Venkataraman, ed., AGU Monograph on Remote Sensing of the Terrestrial Water Cycle, American Geophysical Union, p. 159-174, ISBN 978-1-118-87203-1

2014

Stream water carbon controls in seasonally snow-covered mountain catchments: impact of inter-annual variability of water fluxes, catchment aspect and seasonal processes. Perdrial J.N., McIntosh J., Harpold A., Brooks P.D., Zapata-Rios X., Ray J., Meixner T., Kanduc T., Litvak M., Troch P.A., Chorover J. (2014): Biogeochemistry 118(1-3): 273-290 Cross-CZO

2014

Relationships between stream nitrate concentration and spatially distributed snowmelt in high-elevation catchments of the western US. Perrot, D., N. P. Molotch, M. W. Williams, S. M. Jepsen, and J. O. Sickman (2014): Water Resour. Res., 50, 8694–8713

2014

Analysis and modeling of gully headcut dynamics, North American high plains. Rengers, F. K., & Tucker, G. E. (2014): Journal of Geophysical Research: Earth Surface, 119(5), 983-1003.

2014

Snowpack regimes of the Western United States. Trujillo, E., and N. P. Molotch (2014): Water Resour. Res., 50, 5611–5623

2013

Boulder Creek CZO II: Evolution, Form, Function, and Future of the Critical Zone. Anderson, R., Anderson, S., Molotch, N., Rajaram, H., Tucker, G. (2013): Submitted to NSF Solicitation NSF 12-575

2013

Rock damage and regolith transport by frost: an example of climate modulation of the geomorphology of the critical zone. Anderson, R.S., Anderson, S.P., and Tucker, G.E. (2013): EARTH SURFACE PROCESSES AND LANDFORMS Earth Surf. Process. Landforms

2013

Critical zone evolution: Climate and exhumation in the Colorado Front Range. Anderson, S.P., Anderson, R.S., Tucker, G.E., and Dethier, D.P. (2013): In Abbot, L.D. and Hancock, G.S., eds., Classic Concepts and New Directions: Exploring 125 Years of GSA Discoveries in the Rocky Mountain Region: Geological Society of America, Field Guide 33, p. 1-18

2013

The strength of strategically placed in situ networks: The Critical Zone Observatory Program (Invited). Bales R.C., Brooks P.D., Molotch N.P. (2013): Abstract H53L-02 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Sustaining Earth's Critical Zone - Basic Science and Interdisciplinary Solutions for Global Challenges. Banwart, S., Chorover, J., Gaillardet, J., Sparks, D., White, T., et al. (2013): The University of Sheffield, United Kingdom, ISBN: 978-0-9576890-0-8 Cross-CZO National

2013

Tree root mounds and their role in transporting soil on forested landscapes. Benjamin S. S. Hoffman and Robert S. Anderson (2013): EARTH SURFACE PROCESSES AND LANDFORMS Earth Surf. Process. Landforms

2013

Coupled soil respiration and transpiration dynamics from tree-scale to catchment scale in dry Rocky Mountain pine forests and the role of snowpack. Berryman E., Barnard H.R., Brooks P.D., Adams H., Burns M.A., Wilson W., Stielstra C.M. (2013): Abstract H23C-1279 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Compensatory vapor loss and biogeochemical attenuation along flowpaths mute the water resources impacts of insect-induced forest mortality. Biederman J.A., Brooks P.D., Harpold A.A., Gochis J.D., Ewers B.E., Reed D.E., Gutmann E.D. (2013): Abstract H14C-08 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Critical Zone Science and Observatories. Brantley, S.L., White, T.S., Anderson, S.P., Bales, R.C., Chorover, J., McDowell, W.H. (2013): Abstract TH15D-01 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO National

2013

Non-linear Feedbacks Between Forest Mortality and Climate Change: Implications for Snow Cover, Water Resources, and Ecosystem Recovery in Western North America (Invited). Brooks P.D., Harpold A.A., Biederman J.A., Gochis D.J., Litvak M.E., Ewers B.E., Broxton P.D., Reed D.E. (2013): Abstract C51D-06 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Transport and Transformation of Dissolved Organic Matter in Soil Interstitial Water Across Forested, Montane Hillslopes. Burns M.A., McKnight M.D., Gabor R.S., Brooks P.D., Barnard H.R. (2013): Abstract H23F-1340 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Cross-CZO Contrasts: Aspect Controls and Critical Zone Architecture. Clarke, B.A., Kirby, E., Burbank, D.W., West, N. (2013): Abstract H43L-07presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Shear removal function for the nuisance stalk forming diatom Didymosphenia geminate. Cullis J.D.S., Crimaldi J.P. and McKnight D.M. (2013): L&O: Environments and Fluids 3: 256-268

2013

Hydrodynamic shear removal of the nuisance stalk-forming diatom Didymosphenia geminata. Cullis, J., Crimaldi J., and McKnight, M. (2013): Limnology and Oceanography: Fluids and Environments

2013

Role of storage on hydrologic and chemical flux in soil-limited alpine catchments in the Southwestern USA. Driscoll J.M., Meixner T., Steven J., Molotch N., Williams M.W., Sickman J.O. (2013): Abstract presented at AGU Chapman Conference on Soil-mediated Drivers of Coupled Biogeochemical and Hydrological Processes Across Scales, Biosphere 2, Tucson, Arizona, 21-24 October 2013 (Talk) Cross-CZO

2013

Bridging from Soil to Ecosystem Goods and Services Provided by the Critical Zone. Field J.P., Breshears D.D., Law D.J., Brooks P.D., Chorover J., Pelletier J.D., Troch P.A., López-Hoffman L., Rasmussen C., Papuga S., Harpold A., Biederman J.A., Barron-Gafford G.A., McIntosh J.C., Litvak M. (2013): Abstract presented at AGU Chapman Conference on Soil-mediated Drivers of Coupled Biogeochemical and Hydrological Processes Across Scales, Biosphere 2, Tucson, Arizona, 21-24 October 2013 (Poster) Cross-CZO

2013

A spectroscopic investigation of the chemistry of organic matter during biogeochemical cycling through the soil, groundwater, and surface water of the Boulder Creek watershed . Gabor, R., Eilers. (2013): PhD dissertation, Environmental Studies, University of Colorado, Boulder.

2013

Graduate Research Group White Paper: Cross-CZO Research Potential. Harpold, A.A., D. Karwan, J. Perdrial, J.A. Marshall, J. Driscoll, A. Neal, and C. Phillips (2013): Internal CZO publication Cross-CZO National

2013

Changing mountain permafrost from the 1970s to today - comparing two examples from Niwot Ridge, Colorado Front Range, USA. Leopold, M., Volkel, J., Dethier, D. P., and Williams, M.W. (2013): Zeitschrift for Geomorphologie, Supplementary Issue

2013

Subsurface architecture of the Boulder Creek Critical Zone Observatory from electrical resistivity tomography. Leopold, M., Völkel, J., Huber, J., and Dethier, D. (2013): Earth Surface Processes and Landforms, 38, 1417–1431

2013

Do fire disturbances account for missing C in snow dominated headwater catchments in NM?. Perdrial J.N., Brooks P.D., Swetnam T., Lohse K.A., Rasmussen C., Harpold A.A., Litvak M.E., Broxton P.D., Mitra B., Condon K., Huckle D.M., Vazquez A., Lybrand R.A., Holleran M., Orem C.A., Meixner T., Chorover J. (2013): Abstract B33E-0531 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO

2013

Biogeochemistry of beetle-killed forests: Explaining a weak nitrate response. Rhoades, C.C., McCutchan, J.H. Jr., *Cooper, L.A., Clow, D., Detmer, T.M., Briggs, J.S., Stednick, J.D., Veblen, T.T., Ertz, R.M., Liken, G.E., and Lewis, W.M. Jr. (2013): Proceedings of the National Academy of Science, 110 (5) 1756-1760

2013

A model for post-orogenic development of a mountain range and its foreland. Tucker, G. E., & van der Beek, P. (2013): Basin Research, 25(3), 241-259

2012

Far-flung moraines: Exploring the feedback of glacial erosion on the evolution of glacier length. Anderson, R. S., Dühnforth, M., Colgan, W. and Anderson, L. (2012): Geomorphology 2012 v.179 pp. 269-285

2012

Boulder Creek Critical Zone Observatory Annual report 2012. Anderson, S. (2012): Boulder Creek CZO, University of Colorado Boulder

2012

How deep and how steady is the Earth’s surface? . Anderson, S.P. (2012): Geology, 40 (9): 863-864

2012

Landscape scale linkages in critical zone evolution. Anderson, S.P., Anderson, R.S., and Tucker, G.E. (2012): Comptes Rendus Geoscience, 344: 586-596

2012

Linkages between denitrification and organic matter quality, Boulder Creek Watershed, CO. Barnes, R.T., R.L. Smith, and G.R. Aiken (2012): Journal of Geophysical Research- VOL. 117, G01014, 14 PP

2012

A preliminary survey of lichen associated eukaryotes using pyrosequencing. Bates, S.T., W.A. Walters, R. Knight, N. Fierer. (2012): The Lichenologist 44 (1): 137–146

2012

The Geochemical Impact of Wildfire and Mining on the Fourmile Creek Watershed, Colorado . Beganskas, S. (2012): Submitted to the Department of Geology of Amherst College in partial fulfillment of the requirements for the degree of Bachelor of Arts with honors.

2012

The shifting nature of vegetation controls on peak snowpack with varying slope and aspect. Biederman J.A., Harpold A.A., Brooks P.D., Broxton P.D., Litvak M.E. (2012): Abstract C33D-0685 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Poster). Cross-CZO

2012

Insects, Fires, and Climate Change: Implications for Snow Cover, Water Resources and Ecosystem Recovery in Western North America . Brooks P.D., Harpold A.A., Biederman J.A., Litvak M.E., Broxton P.D., Gochis D., Molotch N.P., Troch P.A., Ewers B.E. (2012): Abstract B21I-02 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Talk). Cross-CZO

2012

Critical Zone Observatories (CZOs): Integrating measurements and models of Earth surface processes to improve prediction of landscape structure, function and evolution (Invited). Chorover J., Anderson S. P., Bales R. C., Duffy C., Scatena F. N., Sparks D. L., White T. (2012): Abstract GCS4A-05 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Talk) Cross-CZO National

2012

A conceptual model for the blooming behavior and persistence of the benthic mat-forming diatom Didymosphenia geminata in oligotrophic streams. Cullis J.D.S., Gillis C-A, Bothwell M.L, Kilroy C, Packman A. and Hassan M. (2012): JGR-Biogeosciences

2012

Rock snot and Dry Valleys: Interactions between river hydraulics and stream ecosystems . Cullis, J.D.S. (2012): 16th SANCIAHS National Hydrology Symposium, Pretoria, Republic of South Africa.

2012

Using the accumulation of CBD-extractable iron and clay content to estimate soil age on stable surfaces and nearby slopes, Front Range, Colorado. Dethier, D. P., Birkeland, P.W., and McCarthy, J. A. (2012): Geomorphology 173-174: 17-29

2012

Hydrologic response to modeled snowmelt input in alpine catchments in the Southwestern United States . Driscoll J.M., Molotch N.P., Jepsen S.M., Meixner T., Williams M.W., Sickman J.O. (2012): Abstract H51B-1336 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Poster). Cross-CZO

2012

Punctuated incision of streams bounding the Colorado Front Range from measurements of meteoric and in situ 10Be. Duhnforth, M., Anderson, R.S., Ward, D.J., and Blum, A.E. (2012): Journal of Geophysical Research(117):F01023

2012

Unsteady late Pleistocene incision of streams bounding the Colorado Front Range from measurements of meteoric and in situ 10Be. Dühnforth, M., R. S. Anderson, D. J. Ward and A. Blum (2012): JGR-Earth Surface 117, F01023

2012

Digging deeper to find unique microbial communities: The strong effect of depth on the structure of bacterial and archaeal communities in soil. Eilers K.G., Debenport S., Anderson S., Fierer N. (2012): Soil Biology and Biochemistry(50):58-65

2012

Quantifying Variation in Solute Sources and Nutrient Cycling in Montane Headwater Catchments. Harpold A. A., Brooks P. D., Perdrial J. N., McIntosh J. C., Meixner T., Zapata X., Chorover J. (2012): Abstract B22D-06 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Talk) Cross-CZO

2012

Spring of Gordon Gulch: A groundwater analysis . Heckman, C. (2012): Honors thesis, Environmental Studies, University of Colorado, 53 pp.

2012

Common Critical Zone Observatory Infrastructure and Measurements. J. Chorover, F.N. Scatena, T. White, S. Anderson, A.K. Aufdenkampe, R.C. Bales, S.L. Brantley, G. Tucker. (2012): A Guide Prepared By CZO PIs, September 27, 2012 Cross-CZO National

2012

Interannual variability of snowmelt in the Sierra Nevada and Rocky Mountains, USA: Examples from two alpine watersheds. Jepsen, S.M., N. P. Molotch, M.W. Williams, K.E. Rittger, J.O. Sickman (2012): Water Resources Research 48 (2) Cross-CZO

2012

Subsurface Evolution: Characterizing the physical and geochemical changes in weathered bedrock of Lower Gordon Gulch, Boulder Creek Critical Zone Observatory . Kelly, Patrick (2012): Thesis submitted to the Faculty of the Graduate School of the University of Colorado in partial fulfillment of the requirement for the degree of Master of Arts Department of Geography

2012

Water chemistry of surface waters affected by the Fourmile Canyon wildfire, Colorado, 2010–2011. McCleskey, R.B., Writer, J.H., and Murphy, S.F., (2012): U.S. Geological Survey Open-File Report 2012–1104, 11 p

2012

Effects of forest structure on snow accumulation and melt derived from ecohydrological instrument clusters across the Western US (Invited). Molotch, N.P., Musselman, K.N., Kirchner, P.B., Bales, R.C., and Brooks, P.D. (2012): Fall Meeting, American Geophysical Union, December 2012. Abstract C33D-0684. Cross-CZO

2012

Effects of flow regime on stream turbidity and suspended solids after wildfire, Colorado Front Range . Murphy, S.F., McCleskey, R.B., and Writer J.W. (2012): In Wildfire and Water Quality: Processes, Impacts and Challenges, Proceedings of a conference held in Banff, Canada, 11-14 June 2012, International Association of Hydrological Sciences Publ. 354.

2012

Carbon and water, the energy for weathering and chemical denudation. Perdrial J. N., Rasmussen C., McIntosh J. C., Zapata X., Harpold A. A., Vazquez A., Porter C. M., Brooks P. D., Meixner T., Mitra B., Troch P. A.,, Chorover J. (2012): Abstract EP41I-05 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Talk) Cross-CZO

2012

Impacts of Sampling Dissolved Organic Matter with Passive Capillary Wicks Versus Aqueous Soil Extraction. Perdrial J.N., Perdrial N., Harpold A., Gao X., Gabor R., LaSharr K., and Chorover J. (2012): Soil Science Society of America Journal, 76: 2019–2030 Cross-CZO

2012

Temporal variability in the diversity and composition of stream bacterioplankton communities. Portillo, M., Anderson S., and Fierer N. (2012): Environmental Microbiology

2012

Rare earth elements as reactive tracers of biogeochemical weathering in the Jemez River Basin Critical Zone Observatory. Vazquez A., Perdrial J. N., Harpold A. A., Zapata X., Rasmussen C., McIntosh J. C., Schaap M. G., Pelletier J. D., Amistadi M., Chorover J. (2012): Abstract H53I-1651 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Poster). Cross-CZO

2012

Wildfire Effects on Source-Water Quality—Lessons from Fourmile Canyon Fire, Colorado, and Implications for Drinking-Water Treatment. Writer, J.H. and Murphy, S.F. (2012): U.S. Geological Survey Fact Sheet 2012–3095, 4 p.

2012

Effects of wildfire on source-water quality and aquatic ecosystems, Colorado Front Range In: Wildfire and Water Quality: Processes, Impacts and Challenges. Writer, J.H., McCleskey, R.B. & Murphy, S.F. (2012): IAHS Publ. 354. IAHS Press. Wallingford, UK

2011

Boulder Creek Critical Zone Observatory Annual Report 2011 . Anderson, S. (2011): Boulder Creek CZO, University of Colorado Boulder

2011

Exploring weathering and regolith transport controls on critical zone development with models and natural experiments. Anderson, S.P., Anderson, R.S., Hinckley, E.S., Kelly, P., and Blum, A.E. (2011): Applied Geochemistry 26(S1): S3-S5

2011

Bacterial communities associated with the lichen symbiosis. Bates, S.T., Cropsey, G.W.G., Caporaso, J.G., Knight, R., Fierer, N. (2011): Applied and Environmental Microbiology 77: 1309-1314

2011

Seismic constraints on critical zone architecture, Boulder Creek Watershed, Colorado. Befus, K.M., Sheehan, A.F., Leopold, M., Anderson, S.P., and Anderson, R.S (2011): Vadose Zone Journal 10: 915-927

2011

The under-recognized dominance of Verrucomicrobia in soil bacterial communities. Bergmann, G.T., Bates, S.T., Eilers, K.G., Lauber, C.L., Caporaso, J.G., Walters, W.A., Knight, R., Fierer, N. (2011): Soil Biology & Biochemistry 43: 1450-1455.

2011

Twelve testable hypotheses on the geobiology of weathering. Brantley, S.L., Megonigal, J.P., Scatena, F.N., Balogh-Brunstad, Z., Barnes, R.T., Bruns, M.A., Van Cappellen, P., Dontsova, K., Hartnett, H.E., Hartshorn, A.S., Heimsath, A., Herndon, E., Jin, L., Keller, C.K., Leake, J.R., McDowell, W.H., Meinzer, F.C., Mozdzer, T.J., Petsch, S, Pett-Ridge, J., Pregitzer, K.S., Raymond, P.A., Riebe, C.S., Shumaker, K., Sutton-Grier, A., Walter, R., and Yoo, K. (2011): Geobiology 9(2): 140-165, Cross-CZO National

2011

Shear resistance of the nuisance diatom Didymosphenia geminate. Cullis JDS (2011): Colorado Water 28(2): 5-8.

2011

Mineralogic and Geochemical Changes from Alteration of Granitic Rocks, Boulder Creek Catchment, Colorado. Dethier, D.P. and Bove, D.J. (2011): Vadose Zone Journal 10: 858-866

2011

Examining knickpoints in the Middle Boulder Creek Catchment, Colorado. Dethier, Evan N. (2011): A thesis Submitted in partial fulfillment of the requirements for the Degree of Bachelor of Arts With Honors in Geosciences WILLIAMS COLLEGE

2011

Reconstructing the Glacial History of Green Lakes Valley, North Boulder Creek, Colorado Front Range. Duhnforth M, and Anderson, R. (2011): Arctic, Antarctic, and Alpine Research 43: 527-542

2011

Landscape-Scale Variation in Soil Microbial Communities Across a Forested Watershed. Eilers, Kathryn. (2011): Thesis, University of Colorado, Master of Arts, Department of Ecology and Evolutionary Biology Cross-CZO

2011

Regolith stirring by biological processes, Gordon Gulch, Colorado. Gilbert, Rebecca B. (2011): An Independent Study Submitted in partial fulfillment of the requirements for the Degree of Bachelor of Arts in Geosciences WILLIAMS COLLEGE Williamstown, Massachusetts

2011

Snow measurement by GPS interferometric reflectometry: an evaluation at Niwot Ridge, Colorado. Gutmann, ED, Larson, KM, Williams, MW, Nievinski, FG., and Zavorotny, V. (2011): Hydrological Processes

2011

Removal of benthic algae in swift-flowing streams: the significance of spatial and temporal variation in shear stress and bed disturbance. James Duncan Sydney Cullis (2011): A thesis submitted to the Faculty of the Graduate School of the University of Colorado in partial fulfillment of the requirement for the degree of Doctor of Philosophy Department of Civil, Environmental and Architectural Engineering

2011

Reconstructing Pinedale (latest Pleistocene) ice in the Green Lakes Valley and adjacent areas, Colorado. Kantack, Keith McBride. (2011): Thesis submitted in partial fulfillment of the requirements for the Degree of Bachelor of Arts With Honors in Geosciences(Williams College)

2011

Exploring Links between Vadose Zone Hydrology and Chemical Weathering in the Boulder Creek Critical Zone Observatory. Langston, A.L., Tucker, G.E., Anderson, R.S., and Anderson, S.P. (2011): Applied Geochemistry 26(S1): S70-S71.

2011

Training a "New Scientist" to Meet the Challenges of a Changing Environment . LeDee, O., Barnes, R.T., Emanuel, R.E., Fisher, P.B., Henkel, S.K., Marlon, J.R. (2011): EOS, Trans. AGU 92 (16)

2011

Internal Structure of the Green Lake 5 Rock Glacier, Colorado Front Range, USA: . Leopold, M, Williams, M., Caine, N., Voelkel, J., and Dethier D. (2011): Permafrost and Periglac. Process. 22/2:107-119

2011

Characteristics of a palaeosol and its implications for the Critical Zone development, Rocky Mountain Front Range of Colorado, USA. Leopold, M., Voelkel, J., Dethier, D., Huber, J. & Steffems, M. (2011): Applied Geochemistry 26(S1): S72-S75.

2011

Assessing eolian contributions to soils in the Boulder Creek Catchment, Colorado,. MacCarthy, James A. (2011): Thesis submitted in partial fulfillment of the requirements for the Degree of Bachelor of Arts With Honors in Geosciences(Williams College) Cross-CZO

2011

Evaluating the effects of wildfire on stream processes in a Colorado front range watershed, USA. Murphy, S.F., and Writer, J.H. (2011): Applied Geochemistry 26 (S1): S363-S364.

2011

Non-linear feedbacks between climate change, hydrologic partitioning, plant available water, and carbon cycling in montane forests . P.D. Brooks, M.E. Litvak, A.A. Harpold, N.P. Molotch, J.C. McIntosh, P.A. Troch, X. Zapata (2011): AGU Fall Meeting Presentations (Invited) Abstract GC34A-08. Cross-CZO

2011

Strong climate and tectonic control on plagioclase weathering in granitic terrain. Rasmussen C., Brantley S., Richter D.D., Blum A., Dixon J., and White A.F. (2011): Earth and Planetary Science Letters, 301(3-4): 521-530, Cross-CZO

2011

Solving a conundrum of a steady-state hillslope with variable soil depths and production rates, Bodmin Moor, UK . Riggins, S.G., Anderson, R.S., Anderson, S.P., and Tye, A.M. (2011): Geomorphology, 128: 73-84.

2011

Significance of slope sediments layering on physical characteristics and interflow within the Critical Zone - Examples from the Colorado Front Range, USA. Voelkel, J., Huber, J. & Leopold, M. (2011): Applied Geochemistry 26(S1): S143-S145.

2011

Stream water chemistry along an elevation gradient from the Continental Divide to the Foothills of the Rocky Mountains. Williams, M.W., Barnes, R.T., Parman, J.N., Freppez, M., and Hood, E.W. (2011): Vadose Zone Journal 10: 900-919.

2011

Meteoric 10Be in Gordon Gulch, Colorado soils: Implications for hillslope processes and development. Wyshnytzky, C. E. (2011): Honors thesis, Geology, Amherst College, 100 pp.

2010

Geomorphology: The Mechanics and Chemistry of Landscapes. Anderson, R. S., and Anderson, S. P. (2010): Cambridge University Press, 340 pp. (Textbook; weathering chapter presents the critical zone description of the earth surface.)

2010

Future Directions for Critical Zone Observatory (CZO) Science. Anderson, R.S., Anderson, S., Aufdenkampe, A.K., Bales, R., Brantley, S., Chorover, J., Duffy, C.J., Scatena, F.N., Sparks, D.L., Troch, P.A., Yoo, K. (2010): CZO Community, December 29, 2010 Cross-CZO National

2010

Boulder Creek Critical Zone Observatory Annual Report 2010 . Anderson, S. (2010): Boulder Creek CZO, University of Colorado Boulder Cross-CZO

2010

Examining the global distribution of dominant archaeal populations in soil. Bates, S., Berg-Lyons, D., Caporaso, J.G., Walters,W. A., Knight, R., Fierer, N. (2010): ISME Journal.

2010

Applied geophysical characterization of the shallow subsurface: Towards quantifying recent landscape evolution and current processes in the Boulder Creek watershed, CO. Befus, Kevin (2010): Thesis, University of Colorado, Master of Science, Department of Geological Sciences

2010

Recent hydrologic change in a Colorado alpine basin: an indicator of permafrost thaw?. Caine, N (2010): Annals of Glaciology 51(56) ppp 130. 2010

2010

The Hydrology of Headwater Catchments from the Plains to the Continental Divide, Boulder Creek Watershed, Colorado. Cowie, Rory. (2010): Thesis, University of Colorado, Master of Arts Department of Geography

2010

Hydrologic Control of the Nuisance Diatom, Didymosphenia germinata . Cullis J. (2010): Colorado Water 2 (3) 4-6

2010

Shifts in bacterial community structure associated with inputs of low molecular weight carbon compounds to soil. Eilers, K.G., Lauber, C L., Knight, R., Fierer N. (2010): Soil Biology & Biochemistry 42 (2010) 896-903

2010

Estimating snow sublimation using natural chemical and isotopic tracers across a gradient of solar radiation. Gustafson J.R., Brooks P.D., Molotch N.P., and Veatch W.C. (2010): Water Resources Research 46: W12511 Cross-CZO

2010

Twentieth-century changes in the thickness and extent of Arapahoe Glacier, Front Range, Colorado. Haugen, B.D., Scambos, T.A., Pfeffer, W.T., and Anderson, R.S. (2010): Arctic, Antarctic, and Alpine Research 42 (2): 198-209.

2010

Mountain Permafrost - a valid archive to study climate change? Examples from the Rocky Mountains Front Range of Colorado, USA. Leopold, M., Voelkel, J., Dethier, D., Williams, M., and Caine, N. (2010): Nova acta Leopoldina, v. 112: 281-289.k

2010

Comparison of seasonal changes in fluorescent dissolved organic matter among aquatic lake and stream sites in the Green Lakes Valley. Miller, M.P., McKnight, D.M. (2010): Journal of Geophysical Research-Biogeosciences VOL. 115, G00F12

2010

Ecohydrological response to snowmelt dynamics from plot to regional scales. Molotch, N.P., Musselman, K.N., Trujillo, E., Brooks, P.D., McConnell, J. R., Williams, M.W. (2010): AGU Fall Meeting Abstract C14B-02. Cross-CZO

2010

Climatological and elevational controls on organic and inorganic nutrients in stream waters, Boulder Creek watershed, Colorado Front Range . Parman, Jordan. (2010): Thesis, University of Colorado, Master of Arts, Department of Geography

2010

The Distribution of Tors in Gordon Gulch, Front Range, Colorado . Trotta, James Richard. (2010): Thesis. Degree of Bachelor of Arts with Honors in Geosciences. Williams College 2010

2010

Development of an integrated information system for Critical Zone Observatory data . Whitenack, T , Williams, M W, Tarboton, D G, Zaslavsky, I, Durcik, M, Lucas, R G, Dow, C, Meng, X, Bills, B, Leon, M, Yang, C, Arnold, M, Aufdenkampe, A K, Schreuders, K, Alvarez, O. (2010): Fall Meeting, American Geophysical Union. December 2010. Abstract IN31B-1289 Cross-CZO National

2010

Does climate change create distinctive patterns of landscape incision?. Wobus, C.W., Tucker, G.E., and Anderson, R.S. (2010): JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 115, F04008. 2010