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

Impact of ecohydrological fluctuations on iron-redox cycling. Calabrese, Salvatore, and Amilcare Porporato (2019): Soil Biology and Biochemistry 133: 188-195 Cross-CZO

2019

Underlying lithology controls trace metal mobilization during redox fluctuations. King, E.K., Thompson, A., Pett-Ridge, J.C. (2019): Science of Total Environment. 665: 1147-1157.

2019 (In Review)

African dust deposition in Puerto Rico; analysis of a 20 year rainfall chemistry record and comparison with models. McClintock, M.A., McDowell, W.H., Gonzalez, G., Schulz, M., and PettRidge, J.C. (2019): Journal of Geophysical Research Atmospheres

2019

Luquillo Critical Zone Observatory Annual Report 2019. McDowell, W.H., González, G., Plante, A.F., Silver W.L. (2019): University of New Hampshire

2019

Nutrient export and elemental stoichiometry in an urban tropical river. William H. McDowell, William G. McDowell, Jody D. Potter, Alonso Ramírez (2019): Ecological Applications

2019

Hysteretic response of solutes and turbidity at the event scale across forested tropical montane watersheds. Wymore, A., Leon M.C., Shanley J.B. McDowell W.H. (2019): Frontiers in Earth Science Biogeoscience

2018

Interdisciplinary Teaching about Earth and the Environment for a Sustainable Future Book Chapter: Implementing and Assessing InTeGrate Critical Zone Science Materials in an Undergraduate Geoscience Program. Ashlee Dere, Carol Engelmann, Timothy White, Adam Wymore, Adam Hoffman, James Washburne, Martha Conklin (2018): Springer Cross-CZO National

2018

Biogeochemical cycling of iron and carbon in humid (sub)tropical forest soils under fluctuating redox conditions. Barcellos, Diego (2018): PhD Dissertation, Department of Crop and Soil Sciences, University of Georgia Cross-CZO

2018

Faster redox fluctuations can lead to higher iron reduction rates in humid forest soils. Barcellos, Diego, K. Taylor Cyle, Aaron Thompson (2018): Biogeochemistry 137 (3): 367-378 Cross-CZO

2018

The effects of lithology on trace element and REE behavior during tropical weathering. Chapela Lara, M., Buss, H.L., Pett-Ridge, J.C. (2018): Chemical Geology. 500: 88-102

2018

Influence of pO2 on iron redox cycling and anaerobic organic carbon mineralization in a humid tropical forest soil. Chen, Chunmei, Christof Meile, Jared Wilmoth, Diego Barcellos, and Aaron Thompson (2018): Environmental Science & Technology 52 (14): 7709-7719 Cross-CZO

2018

Understanding fracture distribution and its relation to knickpoint evolution in the Rio Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) using landscape‐scale hydrogeophysics. Comas, X., Wright, W., Hynek, S. A., Fletcher, R. C., & Brantley, S. L. (2018): Earth Surface Processes and Landforms

2018

Hot Spots and Hot Moments of Soil Moisture Explain Fluctuations in Iron and Carbon Cycling in a Humid Tropical Forest Soil . Diego Barcellos, Christine S. O’Connell, Whendee Silver, Christof Meile, Aaron Thompson (2018): Soil Systems

2018

Contrasting Fe speciation in two humid forest soils: Insight into organomineral associations in redox-active environments. Elizabeth K.Coward, AaronThompson, Alain F.Plante (2018): Geochimica et Cosmochimica Acta

2018

Potential for iron reduction increases with rainfall in montane basaltic soils of Hawaii. Hodges, C., E. King, J. Pett-Ridge, A. Thompson (2018): Soil Science Society of America Journal 82:176-185 Cross-CZO

2018

Transient O2 pulses direct Fe crystallinity and Fe(III)-reducer gene expression within a soil microbiome. Jared Lee Wilmoth, Mary Ann Moran, Aaron Thompson (2018): Microbiome

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

Litterfall Production Prior to and during Hurricanes Irma and Maria in Four Puerto Rican Forests. Liu, X., Zeng, X., Zou, X., González, G., Wang, C., & Yang, S. (2018): Forests

2018

Luquillo Critical Zone Observatory Annual Report 2018. McDowell, W.H., González, G., Plante, A.F., Silver W.L. (2018): University of New Hampshire

2018

Fire, flood, and drought—Extreme climate events alter flow paths and stream chemistry. Murphy, S.F., McCleskey, R.B., Martin, D.A., Writer, J.H., and Ebel, B.A. (2018): Journal of Geophysical Research: Biogeosciences, 123 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

Beyond clay: towards an improved set of variables for predicting soil organic matter content. Rasmussen C., Heckman K., Wieder W.R., Keiluweit M., Lawrence C.R., Berhe A.A., Blankinship J.C., Crow S.E., Druhan J.L., Hicks Pries C.E., Marin-Spiotta E., Plante A.F., Schädel C., Schimel J.P., Sierra C.A., Thompson A., Wagai R. (2018): Biogeochemistry 137(3): 297–306 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

Order from disorder: do soil organic matter composition and turnover co-vary with iron phase crystallinity?. Steven, J. Hall, Asmeret A. Berhe, Aaron Thompson. (2018): Biogeochemistry

2018

Short-range-ordered (SRO) iron minerals are dynamic, emergent representations of recent environmental conditions in soils . Thompson, Aaron (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018 Cross-CZO

2018

Hurricane Maria in the US Caribbean: Disturbance Forces, Variation of Effects, and Implications for Future Storms. Van Beusekom, A.E. Álvarez-Berríos N.L. Gould W.A., Quiñones M. González, G. (2018): Remote sensing

2018

Litterfall Production Prior to and during Hurricanes Irma and Maria in Four Puerto Rican Forests. Xianbin Liu, Xiucheng Zeng, Xiaoming Zou, Grizelle González, Chao Wang, Si Yang (2018): Forests

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

Hot spots and hot moments for redox, iron and carbon cycling in soils across Luquillo and Calhoun CZOs. Barcellos, D., and Thompson, A. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO

2017

A method for quantifying cloud immersion in a tropical mountain forest using time-lapse photography. Bassiouni, M., Scholl, M.A., Torres-Sanchez, A.J., Murphy, S.F., (2017): Agricultural and Forest Meteorology

2017

Parameterization of nitrogen limitation for a dynamic ecohydrological Model: A case study from the Luquillo Critical Zone Observatory. Bastola, Satish, and Rafael L Bras (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017

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

Lithological Influences on Contemporary and Long-Term Regolith Weathering at the Luquillo Critical Zone Observatory. Buss, H.L., Lara Chapela M., Moore, O.W., Kurtz A.C., Schulz, M.S., White A.F. (2017): Geochimica et Cosmochimica Acta

2017

The influence of critical zone processes on the Mg isotope budget in a tropical, highly weathered andesitic catchment. Chapela Lara, M., Buss, H. L., Pogge von Strandmann, P. A. E., Schuessler, J. A., & Moore, O. W. (2017): Geochimica et Cosmochimica Acta

2017

Concentration-Discharge Relations in the Critical Zone: Implications for Resolving Critical Zone Structure, Function and Evolution. Chorover, J., Derry, L. A., McDowell, W. H. (2017): Water Resources Research 53(11): 8654–8659 Cross-CZO National

2017

Tropical river suspended sediment and solute dynamics in storms during an extreme drought. Clark, K.E., Shanley, J.B., Scholl, M.A., Perdrial, N., Perdrial, J.N., Plante, A.F., McDowell W.H. (2017): Water Resources Research

2017

Soil organic matter stabilization by Fe-C interactions in temperate and tropical soils: A cross-CZO comparison. Coward, E.K., Thompson, A., and Plante, A.F. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO

2017

Iron-Carbon Complexation at the Critical Zone: Impacts of Metal Speciation and Ligand Structure. Coward, Elizabeth (2017): University of Pennsylvania

2017

Influence of Linked Hydrologic and Geomorphic Processes on the Terrestrial Carbon Cycle. Dialynas, Ioannis Minas (Yannis) (2017): Doctoral dissertation, School of Civil and Environmental Engineering, Georgia Institute of Technology Cross-CZO

2017

Rapid iron reduction rates are stimulated by high-amplitude redox fluctuations in a tropical forest soil. Ginn, Brian, Christof Meile, Jared Wilmoth, Yuanzhi Tang, and Aaron Thompson (2017): Environmental Science & Technology 51 (6): 3250-3259

2017

Soil Biology Research across Latitude, Elevation and Disturbance Gradients: A Review of Forest Studies from Puerto Rico during the Past 25 Years. González, G. (2017): Forests

2017

Optimized high-throughput methods for quantifying iron biogeochemical dynamics in soil. Huang, W., Hall S.J. (2017): Geoderma

2017

AGU Chapman Conference on Extreme Climate Event Impacts on Aquatic Biogeochemical Cycles and Fluxes. Inamdar, A. McDowell W.H., Shanley J.B., Minor E., Park, J. (2017): https://sites.google.com/a/udel.edu/chapmanece/home

2017

Conference Program - AGU Chapman Conference on Extreme Climate Event Impacts on Aquatic Biogeochemical Cycles and Fluxes. Inamdar, S., McDowell W.H., Shanley J. B., Minor E., Park J. (2017): AGU Chapman Conference, San Juan, PR 2017 Cross-CZO National

2017

Weathering and erosion of fractured bedrock systems. Lebedeva M.I., Brantley S.L. (2017): Earth Surface Processes and Landforms

2017

Annual Report 2017 Luquillo CZO: The role of hot spots and hot moments in tropical landscape evolution and functioning of the critical zone. McDowell, W.H., González, G., Plante, A.F., Silver W.L. (2017): University of New Hampshire

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

Reassessing rainfall in the Luquillo Mountains, Puerto Rico: Local and global ecohydrological implications. Murphy SF, Stallard RF, Scholl MA, González G, Torres-Sánchez AJ (2017): PLOS ONE

2017

Differential chemical fractionation of dissolved organic matter during sorption by Fe mineral phases in a tropical soil from the Luquillo Critical Zone Observatory. Plante, Alain F., Elizabeth Coward, Tsutomu Ohno, Aaron Thompson (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017

2017

Methodological Considerations in the Study of Earthworms in Forest Ecosystems. Rhea-Fournier D. and González G. (2017): Intech

2017

Controls on deep critical zone architecture: a historical review and four testable hypotheses. Riebe, C. S., Hahm, W. J., Brantley, S. L. (2017): Earth Surface Processes and Landforms, 42 (1): 128–156 Cross-CZO National

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

Mixing as a driver of temporal variations in river hydrochemistry: 1 Insights from conservative tracers in the Andes-Amazon transition. Torres, M.A.; Baronas, J.J.; Clark, K.E.; Feakins, S.J.; West, A.J. (2017): Water Resources Research 53, 3102–3119

2017

Critical zone structure controls concentration-discharge relationships and solute generation in forested tropical montane watersheds. Wymore, A.; Brereton, R. L.; Ibarra, D. E.; Maher, K.; McDowell, W. H. (2017): Water Resources Research 53, 6279–6295 Cross-CZO National

2016

Analyzing cloud base at local and regional scales to understand tropical montane cloud forest vulnerability to climate change . Ashley E. Van Beusekom, Grizelle González, and Martha A. Scholl (2016): Atmospheric Chemistry and Physics

2016

Reviews and syntheses: measuring ecosystem nitrogen status – a comparison of proxies. Almaraz, M. and Porder, S. (2016): Biogeosciences

2016

Nitrogen Availability and Loss from Managed and Unmanaged Ecosystems. Almaraz, Maya. (2016): Brown University

2016

Accounting for Soils Parameter Uncertainty in a Physically-Based and Distributed Approach for Rainfall-Triggered Landslides. Arnone, E., Y. G. Dialynas, L. V. Noto, and R. L. Bras (2016): Hydrological Processes 30(6): 927-944

2016

Approaches to stream solute load estimation for solutes with varying dynamics from five diverse small watersheds. Aulenbach, B. T., D. A. Burns, J. B. Shanley, R. D. Yanai, K. Bae, A. D. Wild, Y. Yang, and D. Yi. (2016): Ecosphere

2016

Soil iron reduction and carbon mineralization in reconstructed aggregates during redox fluctuations. Barcellos D, Silver W, Pett-Ridge J, Thompson A (2016): Goldschmidt - Geochemical Conference. Yokohama, Japan

2016

The role of pH, organic matter composition and mineralogy on the sorption behavior of beryllium . Boschi, V., Willenbring, J.K. (2016): Environmental Chemistry

2016

Beryllium Desorption from Minerals and Organic Ligands Over Time. Boschi, V., Willenbring, J.K. (2016): Chemical Geology

2016

Belowground Response to Drought in a Tropical Forest Soil I Changes in Microbial Functional Potential and Metabolism. Bouskill,Nick Wood,Tana E Baran ,Richard Hao, Zhao Ye, Zaw Bowen, Benjamin P Lim, HsiaoChien Nico, Peter Holman, Hoi-Ying Gilbert, Benjamin Silver, Whendee Northen, Trent R Brodie, Eoin L (2016): Frontiers in Microbiology

2016

Belowground response to drought in a tropical forest soil II Change in microbial function impacts carbon composition. Bouskill,Nick Wood,Tana E Baran, Richard Hao, Zhao Ye, Zaw Bowen, Benjamin P Lim, HsiaoChien Nico, Peter Holman, Hoi-Ying Gilbert, Benjamin Silver, Whendee Northen, Trent R Brodie, Eoin L (2016): Frontiers in Microbiology

2016

Monarchs and the Critical Zone: A new spin on the study of butterflies. Cook, K., Augustinsky, M., Dye, A., Flowers, J., and McGee, S. (2016): The Earth Scientist XXXII, no. 3 (Fall 2016): 4–6 Cross-CZO National

2016

Soil organic matter stabilization by Fe-C interactions in temperate and tropical soils: A cross-CZO comparison. Coward, E.K., Thompson, A., Markewitz, D., Richter, D. deB., and Plante, A.F. (2016): Soil Science Society of America Annual Meeting, Phoenix, AZ, 6-9 November 2016 Cross-CZO

2016

Special issue of The Earth Scientist about the Critical Zone and the US NSF Critical Zone Observatory (CZO) program. CZO Education/Outreach team (2016): The Earth Scientist, Volume XXXII, Issue 3, Fall 2016 Cross-CZO National

2016

Impact of hydrologically driven hillslope erosion and landslide occurrence on soil organic carbon dynamics in tropical watersheds. Dialynas,Y.G., Bastola, S., Bras, R.L., Marin-Spiotta, E., Silver, W.L., Arnone, E., and Noto, L.V. (2016): Water Resources Research 52(11): 8895-8919 Cross-CZO

2016

Carbon, nitrogen, and water stable isotopes in plant tissue and soils across a moisture gradient in Puerto Rico. Evaristo, J. and McDonnell J. J. (2016): Hydrological Processes

2016

Insights into plant water uptake from xylem-water isotope measurements in two tropical catchments with contrasting moisture conditions. Evaristo, J., McDonnell, J.J., Scholl,M.A., Bruijnzeel, L.A., and Chun, K.P. (2016): Hydrological Processes

2016

Relict landscape resistance to dissection by upstream migrating knickpoints. Gilles Y. Brocard, Jane K. Willenbring, Thomas E. Miller, Frederik N. Scatena (2016): Journal of Geophysical Research

2016

Introduction: Caribbean Forest Dynamics and Regional Forestry Initiatives. González, G., and Heartsill Scalley T. (2016): Caribbean Naturalist

2016

Building a Collaborative Network to Understand Regional Forest Dynamics and Advance Forestry Initiatives in the Caribbean. González, G., and Heartsill Scalley T. (2016): Caribbean Naturalist

2016

Iron addition to soil specifically stabilized lignin. Hall, Steven J. Silver, Whendee L. Timokhin, Vitaliy I. Hammel, Kenneth E. (2016): Soil Biology and Biochemistry

2016

Architecture of the deep critical zone in the Río Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) inferred from drilling and ground penetrating radar (GPR). Joe Orlando, Xavier Comas, Scott Hynek, Heather L. Buss, and Sue L. Brantley (2016): Earth Surface Processes and Landforms

2016

Effects of Hurricane-Felled Tree Trunks on Soil Carbon, Nitrogen, Microbial Biomass, and Root Length in a Wet Tropical Forest. Lodge D.J., Winter D., González G., Clum N. (2016): Forests

2016

Annual Report 2016 Luquillo CZO: The role of hot spots and hot moments in tropical landscape evolution and functioning of the critical zone. McDowell, W.H., González, G., Plante, A.F., Silver W.L. (2016): University of New Hampshire

2016

Drought in the Critical Zone: Engaging Students in Authentic Inquiry Through Data Jam. McGee, S., and Rodríguez Báez, N. (2016): The Earth Scientist XXXII, no. 3 (Fall 2016): 19–21 Cross-CZO National

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

Self-organization of river channels as a critical filter on climate signals. Phillips, C.B., Jerolmack, D.J. (2016): Science

2016

Representation of diffusion controlled carbon stabilization in reactive transport models. Thompson, A., Druhan, J.L., Keiluweit, M., Wagai, R., Plante, A.F., Lawrence, C.R., Berhe, A.A., Sierra, C.A., Rasmussen, C., Marin-Spiotta, E., Blankinship, J.C., Schimel, J., Heckman, K.A., Crow, S.E., and Wieder, W.R. (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA Cross-CZO

2016

Impact of long-range transported African dust on cloud water chemistry at a tropical montane cloud forest in northeastern Puerto Rico. Valle-Díaz, C.J., E. Torres-Delgado, S.M. Colón-Santos, T. Lee, J.L. Collett Jr., W.H. McDowell, and O.L. Mayol-Bracero (2016): Aerosol and Air Quality Research

2016

The null hypothesis: steady rates of erosion, weathering and sediment accumulation during Late Cenozoic mountain uplift and glaciation . Willenbring, J.K. Jerolmack, D.J. (2016): Terra Nova

2016

Abrupt change in forest height along a tropical elevation gradient detected using airborne LiDAR. Wolf, J., Brocard, G.Y., Willenbring, J.K., Porder, S., Uriarte, M. (2016): Journal of Geophysical Research- Earth Surface

2016

Physical, Chemical, and Biological Properties of Soil under Decaying Wood in a Tropical Wet Forest in Puerto Rico. Zalamea, M., González, G., Lodge D.J. (2016): Forests

2015

Reducing bias and quantifying uncertainty in watershed flux estimates: The R package loadflex . Appling A.P., Leon M.C., McDowell W.H. (2015): Ecosphere

2015

Iron reduction and carbon dynamics during redox fluctuations in soil slurries from Luquillo CZO (Puerto Rico). Barcellos D, Silver W, Pett-Ridge J, Thompson A (2015): American Geophysical Union Meeting, San Francisco, California, USA

2015

Effects of a tectonically-triggered wave of incision on riverine exports and soil mineralogy in the Luquillo Mountains of Puerto Rico. Brocard G., Willenbring J.K., Scatena F.N., Johnson A.H. (2015): Applied Geochemistry

2015

Effect of rainforest development on the pace of knickpoint retreat during the growth of a tropical mountain Insights from the Luquillo CZO, Puerto Rico. Brocard, G.Y., Willenbring, J.K., and Miller T. (2015): GSA 2015

2015

Geographic, environmental and biotic sources of variation in the nutrient relations of tropical montane forests. Dalling, J.W., Heineman, K., González, G., and Ostertag, R. (2015): Journal of Tropical Ecology

2015

Spatial patterns in oxygen and redox sensitive biogeochemistry in tropical forest soils. Daniel Liptzin, And Whendee L. Silver (2015): Ecosphere

2015

Limited uptake on nutrient input from sewage effluent in a tropical landscape. Figueroa Nieves, D, McDowell, W. H., Potter. J.D. and Martinez, G. (2015): Freshwater Science

2015

A field comparison of multiple techniques to quantify groundwater–surface-water interactions. González-Pinzón, R., Ward, A., Hatch, C., Wlostowski, A., Singha, K., Gooseff, M., Haggerty, R., Harvey, J., Cirpka, O., and Brock, J. (2015): Freshwater Science, 34(1) Cross-CZO

2015

Large fluxes and rapid turnover of mineral-associated carbon across topographic gradients in a humid tropical forest: insights from paired 14C analysis. Hall, S.J., McNicol, G., Natake T., Silver W.L. (2015): Biogeosciences

2015

Do wormholes prevent landslides? The link between biological restructuring of soil and hillslope processes. Harrison, E. J., Willenbring, J. K., and Kovalovich, A. (2015): GSA 2015

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

High mercury wet deposition at a “clean air” site in Puerto Rico. J.B. Shanley, M. Engle, M.A. Scholl, D. Krabbenhoft, R. Brunette, M.E. Conroy (2015): Environmental Science and Technology

2015

Urban Evolution: The Role of Water. Kaushal, S.S., McDowell, W.H., Wollheim, W.M., Newcomer Johnson, T.A., Mayer, P.M., Belt, K.T. and Pennino, M.J. (2015): Water

2015

Relating microbial community structure and geochemistry in deep regolith developed on volcaniclastic rock in the Luquillo Mountains, Puerto Rico. Liermann, L.J., I. Albert, H.L. Buss, M. Minyard, S.L. Brantley (2015): Geomicrobiology Journal

2015

Spatial variability of African dust in soils in a montane tropical landscape in Puerto Rico. McClintock, M. A., Brocard, G., Willenbring, J., Tamayo, C., Porder, S., & Pett-Ridge, J. C (2015): Chemical Geology

2015

Spatial variability of African dust in soils in a montane tropical landscape in Puerto Rico. McClintock, M. A., Brocard, G., Willenbring, J., Tamayo, C., Porder, S., & Pett-Ridge, J. C. (2015): Chemical Geology

2015

Annual Report 2015 Luquillo CZO: The role of hot spots and hot moments in tropical landscape evolution and functioning of the critical zone. McDowell, W.H., González, G., Plante, A.F., Silver W.L. (2015): University of New Hampshire

2015

Porescale Geochemical Processes, Chapter 10: How porosity increases during incipient weathering of crystalline silicate rocks. Navarre-Sitchler, A., Brantley, S.L. and Rother, G. (2015): Mineralogical Society of America -Geochemical Soc.

2015

Chapter 6 – Soil Geochemistry in the Critical Zone: Influence on Atmosphere, Surface- and Groundwater Composition. Perdrial J., Thompson A., Chorover J. (2015): Developments in Earth Surface Processes 19: 173–201 Cross-CZO

2015

Linking geomorphology, weathering and cation availability in the Luquillo Mountains of Puerto Rico. Porder S., Johnson A.H., Xing H.X., Brocard G., Goldsmith S. PettRidge J. ( (2015): 10.1016/j.geoderma.2015.03.002

2015

Stable-isotope and solute-chemistry approaches to flow characterization in a forested tropical watershed, Luquillo Mountains, Puerto Rico. Scholl, M.A., Shanley, J.B., Murphy, S.F., Willenbring, J.K., Occhi, M., and González, G. (2015): Appl. Geochem.

2015

Lignin decomposition is sustained under fluctuating redox conditions in humid tropical forest soils. Steven J. Hall, Whendee L. SIilver, Vitaliy I. Timokhin and Kenneth E. Hammel (2015): Global Change Biology

2015

Reducing conditions, reactive metals, and their interactions can explain spatial patterns of surface soil carbon in a humid tropical forest. Steven J. Hall, Whendee L. Silver (2015): Biogeochemistry

2015

Parent material and vegetation influence bacterial community structure and nitrogen functional genes along deep tropical soil profiles at the Luquillo Critical Zone Observatory. Stone, M.M., Kan, J.J., Plante A.F. (2015): Soil Biology & Biochemistry

2015

Relating the biological stability of soil organic matter to energy availability in deep tropical soil profiles. Stone, M.M., Plante, A.F. (2015): Soil Biology and Biochemistry

2015

Reconstructing the transport history of pebbles on Mars. Szabó T., Domokos, G., Grotzinger, J.P., Jerolmack, D.J. (2015): Nature Communications

2015

Iron dynamics at the Luquillo and Calhoun Critical Zone Observatories: Proposed linkages to C cycling. Thompson, A. (2015): University of Vermont Biogeochemistry Symposium Series Cross-CZO

2015

Fe2+ catalyzed iron atom exchange and re-crystallization in a tropical soil. Tishchenko, V., Meile, C., Scherer, M. M., Pasakarnis, T. S., and Thompson, A. (2015): Geochimica et Cosmochimica Acta

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

57Fe isotope labeling of reactive Fe solid phases during redox transitions in a tropical forest soil using variable temperature Mössbauer spectroscopy. Wilmoth, J. and Thompson, A. (2015): Southeastern Biogeochemistry Symposium, 2015. Atlanta, GA,.

2014

Fe-C associations and soil organic matter stability in tropical soils of two contrasting parent materials . Coward EK & AF Plante (2014): SOM6 workshop. Kiawah Island, SC

2014

Soil carbon and Iron . Aaron Thompson (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Landscape-scale variation in nitrogen cycling across the Luquillo Experimental Forest, Puerto Rico. Almaraz, M., Lu H.S., Goldsmith S., Porder S. (2014): 99th ESA Annual Meeting (August 10 -- 15, 2014)

2014

Parameter Uncertainty in Shallow Rainfall-Triggered Landslide Modeling at Basin Scale: a Probabilistic Approach. Arnone, E., Y. G. Dialynas, L. V. Noto, and R. L. Bras (2014): Procedia Earth and Planetary Science 9: 101-111

2014

Linkages between soil Fe reduction rates and the characteristics of redox fluctuations at the Luquillo CZO, Puerto Rico. Barcellos D, Wilmoth J, Thompson A (2014): All Hands Meeting for the Critical Zone Observatories (CZO) network, Merced, California, USA

2014

Redox fluctuations and carbon stabilization in a tropical soil from Puerto Rico. Barcellos D, Wilmoth J, Thompson A (2014): Plant and Soil Graduate Symposium, University of Georgia, Athens, Georgia

2014

Migration of a slow wave of erosion and its effect on nutrient availability in a tropical rainforest: detrital 10Be signature and soil mineralogy, Luquillo CZO, Puerto Rico . Brocard G., Willenbring J., Johnson A., and Scatena F.N. (2014): EGU General Assembly 2014

2014

Long-term increase in local relief enhanced by forest competition: detrital 10Be and LiDAR topographic evidence in the tropical rainforest of Puerto Rico, Luquillo CZO. Brocard G., Willenbring J., Scatena F.N. (2014): EGU General Assembly 2014

2014

Controls on the Mg cycle in the tropics: insights from a case study at the Luquillo Critical Zone Observatory . Chapela Lara M., Buss H.L., Pogge von Strandmann P.A.E. (2014): Procedia Earth and Planetary Science

2014

The Threshold of Motion Filters Extreme Climatic Fluctuations in Gravel Bedded Alluvial and Bedrock Rivers Resulting in Near-Threshold and Transported-Limited Systems. Colin Phillips, Douglas Jerolmack, Jane Willenbring (2014): AGU Fall Meeting. San Fransisco, CA

2014

Fe-C associations and soil organic matter stability . Coward, EK (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

Soil carbon and Iron. Diego Barcellos (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

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

Age and weathering rate of sediments in small catchments: The role of hillslope erosion. Dosseto A., Buss H.L., Chabaux F. (2014): Geochimica et Cosmochimica Acta

2014

Smart Rocks. Dylan Lee (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR. Luquillo, PR

2014

Connecting grain motion to large-scale fluctuations in bed load transport: The role of collective dynamics. Dylan Lee, Douglas Jerolmack (2014): AGU Fall Meeting. San Fransisco, CA

2014

Watershed Hydrologic modeling. Elisa Arnone (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

Annual Report 2014 Luquillo CZO: The role of hot spots and hot moments in tropical landscape evolution and functioning of the critical zone. Frolking, S., González, G., Plante, A.F., Silver W. L. (2014): University of New Hampshire

2014

Separate effects of flooding and anaerobiosis on soil greenhouse gas emissions and redox sensitive biogeochemistry. Gavin McNicol, Whendee L. Silver (2014): Journal of Geophysical Research: Biogeosciences

2014

Sensor Networks . Geoff Schwaner (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Form follows function: can tropical mountain forest competition drive the growth of topography?. Gilles Brocard, Jane Willenbring, Frederick Scatena (2014): AGU Fall Meeting. San Fransisco, CA

2014

Cielometer / data streams . Grizelle Gonzalez (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Breaking the enzymatic latch: Impacts of reducing conditions on hydrolytic enzyme activity in tropical forest soils. Hall S.J., Treffkorn J., Silver W.L. (2014): Ecology

2014

Warming Experiment Microbiology. Jennifer Pett-Ridge (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

Controls on soil carbon stocks in El Yunque National Forest, Puerto Rico. Johnson A.H., Hao Xing Xing, Scatena F.N. (2014): SSSAJ

2014

The anatomy of weathering profiles on different lithologies in the tropical forest of northeastern Puerto Rico: from bedrock to clouds. Joseph Orlando (2014): M.S. Thesis. The Pennsylvania State University

2014

Tracking evolution of urban biogeochemical cycles: past,present, and future. Kaushal, S.S., McDowell, W.H. and Wollheim, W.M. (2014): Biogeochemistry

2014

The impacts of urbanization on dissolved organic and inorganic carbon fluxes in a tropical watershed (oral presentation). Koenig, L.E., A. Ramirez, and W.H. McDowell (2014): Joint Aquatic Sciences Meeting 2014 Portland, Oregon.

2014

Improving automated phosphorus measurements in freshwater: an analytical approach to eliminating silica interference. Koenig, L.E., A.J. Baumann, and W.H. McDowell (2014): Limnology and Oceanography: Methods. Limnology and Oceanography: Methods

2014

O2 – sensor array. Leilei Ruan (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Generalized sorting profile for alluvial fans. Litwin Miller K., Reitz M.D., and Jerolmack D.J. (2014): Geophysical Research Letters

2014

The Causes and Consequences of Particle Size Change in Fluvial Systems. Litwin Miller, Kimberly; Jerolmack, Douglas (2014): University of Pennsylvania

2014

Changes in Carbon Chemistry and Stability Along Deep Tropical Soil Profiles at the Luquillo Critical Zone Observatory. Madeleine Stone (2014): AGU Fall Meeting. San Fransisco, CA

2014

Introduction to STRI . Matt Larsen (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

Long-term N dynamics in a tropical forest: Observations, inferences, and unanswered questions. McDowell, W. H. (2014): USGS National Headquarters Reston, VA. USGS National Headquarters Reston, VA

2014

Separate effects of flooding and anaerobiosis on soil greenhouse gas emissions and redox sensitive biogeochemistry. McNicol, G. and W. L. Silver (2014): JGR-Biogeosciences.

2014

Composite Method; Report from LiDAR workshop; CZO Cyber Meeting at Stroud . Miguel Leon (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Quantifying the significance of abrasion and selective transport for downstream fluvial grain size evolution. Miller, Szabo, Jerolmack and Domokos (2014): Journal of Geophysical Research: Earth Surface

2014

Analytical model for flow duration curves in seasonally dry climates. Müller, M.F., Dralle, D.N., and Thompson, S.E. (2014): Water Resources Research 50(7): 5510-5531. Cross-CZO

2014

African dust inputs and cloud chemistry. Omar Gutierrez del Arroyo (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Dynamics and Mechanics of bed load tracer particles. Phillips, C. B. and Jerolmack, D. J. (2014): Earth Surface Dynamics Discussion

2014

The Control of Grain-Scale Mechanincs on Channel Form Landscape Dynamics, and Climatic Perturbations in Gravel-Bedded Rivers. Phillips, C.B., Jerolmack, D.J. (2014): Earth and Environmental Science, University of Pennsylvania

2014

Analysis of historical records of Cloud Base. Rafael Jimenez (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

Precipitation isotopes link regional climate patterns to water supply in a tropical mountain forest, eastern Puerto Rico. Scholl M.A., Murphy S.F. (2014): Water Resources Research

2014

GPR and Geophysics . Scott Hynek (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR.

2014

LiDAR MCC Analysis. Sebastian Martinuzzi (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Soil Nitrogen. Stephen Porder (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Soil microbial communities and soil organic matter: composition and ecological functions in the Luquillo Critical Zone. Stone M.M., Plante A.F. (2014): University of Pennsylvania

2014

Changes in extracellular enzyme activity and microbial community structure with soil depth at the Luquillo Critical Zone Observatory. Stone, M.M., DeForest, J.L., Plante, A.F. (2014): Soil Biology & Biochemistry

2014

Changes in phosphatase kinetics with soil depth across a variable tropical landscape. Stone, M.M., Plante, A.F. (2014): Soil Biology & Biochemistry

2014

Geomorphologic influences on tropical soil weathering and nutrient status. Tamayo C.D., Brocard G., Porder S., (2014): 99th ESA Annual Meeting (August 10 -- 15, 2014)

2014

Fe2+ catalyzed iron atom exchange and re-crystallization in soils from the Luquillo Critical Zone Observatory . Thompson A., Tishchenko V., Meile C., Scherer M., Pasakarni T. (2014): Goldschmidt2014

2014

African Dust and Clouds at Pico Este Tropical Montane Cloud Forest: Cloud Chemistry and Microphysics, June 2, 2014, All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR . Torres, E. and O. L. Mayol-Bracero (2014): All-hands Meeting of the Luquillo Critical Zone Observatory. Luquillo, PR

2014

Short-Term Precipitation and Temperature Trends along an Elevation Gradient in Northeastern Puerto Rico. Van Beusekom A.E.,González G., and Rivera M.M. (2014): Earth Interactions

2014

Differential effects of canopy trimming and litter deposition on litterfall and nutrient dynamics in a wet subtropical forest. Whendee L. Silver, Steven J. Hall, Grizelle González (2014): Forest Ecology and Management

2014

Differential effects of canopy disturbance and litter deposition on litterfall and nutrient dynamics following a simulated hurricane in a tropical forest. Whendee L. Silver, Steven J. Hall, Grizelle González (2014): 99th ESA Annual Meeting

2014

Linking CZO, LTER, and NEON- Putting Biology into the Critical Zone. William McDowell (2014): AGU Fall Meeting. San Fransisco, CA

2014

Soil geophysics. Xavier Comas (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR. Luquillo, PR

2014

Using Hydrogeophysical Methods to Understand the Spatial Distribution of the Bedrock-regolith Interface in the Rio Icacos Watershed (Luquillo Critical Zone Observatory, Puerto Rico). Xavier Comas, William Wright, Scott Hynek, Joe Orlando, Heather Buss, Susan Brantley (2014): AGU Fall Meeting. San Fransisco, CA

2014

Decoupling of sulfur and nitrogen cycling due to biotic processes in a tropical rainforest. Yi-Balan, S.A., Amundson, R., Buss, H.L. (2014): Geochimica et Cosmochimica Acta.

2013

Effect of DEM resolution on rainfall-triggered landslide modeling within a triangulated network-based model A case study in the Luquillo Forest, Puerto Rico. Arnone, E., Dialynas, Y. G., Noto, L. V., Bras, R. L. (2013): American Geophysical Union Fall Meeting, Abstract NH23A-1522

2013

Pre-exposure to short-term drought increases the resistance of subtropical forest soil bacterial communities to extended drought. Bouskill, N. J., H. C. Lim, S. Borglin, R. Salve, T. E. Wood, W. L. Silver, and E. L. Brodie. (2013): ISME Journal

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 (In Press)

Spatial variation of dissolved weathering products nutrients, and carbon in a rapidly weathering tropical watershed, Luquillo Mountains, Puerto Rico. Brereton, R.L. (2013): GSA Annual Meeting, Denver, CO , 27-30 October, 2013

2013

Probing the deep critical zone beneath the Luquillo Experimental Forest, Puerto Rico. Buss, H.L., Brantley, S.L., Scatena, F.N., Bazilievskaya, E.A., Blum, A., Schulz, M., Jimenez, R., White, A.F., Rother, G. and Cole, D. (2013): Earth Surface Processes and Landforms

2013

Relating Grain-Scale Weathering Observations to Catchment-Scale Critical Zone Morphology. Buss, H.L., Moore, O.W., Chapela Lara M., Schulz, M., White, A.F (2013): Goldschmidt2013 Conference Abstracts. Florence Italy.

2013

Regolith formation rate from U-series nuclides: Implications from the study of a spheroidal weathering profile in the Rio Icacos watershed (Puerto Rico). Chabaux, F. Blaes, E. Stille, P. Roupert, R. D. Pelt, E. Dosseto, A. Ma, L. Buss, H. L. Brantley, S. L. (2013): Geochimica et Cosmochimica Acta

2013

Mg isotopes: insights into weathering in tropical volcanoclastic regolith. Chapela Lara, M., Buss, H.L., Pogge Von Strandman, P.A.E., Dessert, C. Gaillardet, J. (2013): Goldschmidt2013 Conference Abstracts. Florence Italy.

2013

Changes in microbial dynamics during long-term decomposition in tropical forests. DeAngelisa, K.M., Chivian, J.L,, Fortneye, J.L., Arkin, A.P, Simmons, B., Hazen, T.C., Silver, W.L. (2013): Soil Biology and Biochemistry

2013

A probabilistic approach for shallow rainfall-triggered landslide modeling at basin scale A case study in the Luquillo Forest, Puerto Rico. Dialynas, Y. G., Arnone, E., Noto, L. V., Bras, R. L. (2013): American Geophysical Union Fall Meeting; Abstract NH32A-06

2013

Chemical constituents in clouds and rainwater in the Puerto Rican rainforest: potential sources and seasonal drivers . Gioda, A.,Mayol-Bracero O.L. , Scatena, F.N., Weathers K.C., Mateus, V.L., McDowell, W.H. (2013): Atmospheric Environment

2013

EVALUATION OF SHALLOW FLOW PATHWAYS AND RELATIVE CONTRIBUTIONS TO SOLUTE FLUXES IN A TROPICAL SMALL MOUNTAINOUS RIVER: LUQUILLO, PUERTO RICO. Goldsmith, S.T., Porder, S., Kurtz, A. (2013): GSA, Annual meeting 2013

2013 (In Press)

Evaluation of shallow flow pathways and relative contributions to solute fluxes in a tropical small mountainous river: Luquillo, Puerto Rico . Goldsmith, S.T., Porder, S., Kurtz, A., and Takagi, K. (2013): Geological Society of America Abstracts with Programs. 45 (7), 216

2013

Iron oxidation stimulates organic matter decomposition in humid tropical forest soils. Hall S.J., Silver W.L. (2013): Global Change Biology

2013

Iron Redox Cycling Drives Decomposition of Mineral-Associated C in Humid Tropical Forest Soils. Hall, S. J., G. McNicol, and W. L. Silver (2013): AGU Fall Meeting. San Fransisco, CA

2013

When Wet Gets Wetter: Decoupling of Moisture, Redox Biogeochemistry, and Greenhouse Gas Fluxes in a Humid Tropical Forest Soil. Hall, S.J., McDowell W.H., Silver W.L. (2013): Ecosystems

2013 (In Press)

The Architecture of Deep Weathering at Two CZOs: Groudnwater, Regolith, and Solutes at Susquehanna Shale Hills and Luquillo Experimental Forest. Hynek, S.A., Orlando, J.J., Sullivan, P., Brantley, S.L. (2013): GSA Annual Meeting, Denver, CO , 27-30 October, 2013.

2013

The Architecture of Deep Weathering at Two CZOs: Groundwater, Regolith, and Solutes at Susquehanna Shale Hills and Luquillo Experimental Forest . HYNEK, Scott A., ORLANDO, Joseph J., SULLIVAN, Pamela, and BRANTLEY, Susan L. (2013): GSA Annual Meeting Cross-CZO

2013

Parent material and topography determine soil phosphorus status in the Luquillo Mountains of Puerto Rico. Mage S.M., Porder S. (2013): Ecosystems

2013

A Comparison of Connectivity Metrics on Watersheds and Implications for Water Management . Malvadkar, U., Scatena, F.N., and Leon, M. (2013): Rivers Research and Applications

2013

African Dust and Clouds at Pico del Este: The Puerto Rico African Dust and Cloud Study . Mayol-Bracero, O. L. (2013): AGU Fall Meeting. San Fransisco, CA

2013

Interactions between lithology and biology drive the long-term response of stream chemistry to major hurricanes in a tropical landscape. McDowell, W.H., Brereton R.L., Scatena F.N. Shanley J.B., Brokaw N.V., Lugo A.E. (2013): Biogeochemistry

2013

Carbon losses from the Critical Zone: Quantifying the effects of lithology and urbanization on concentrations of organic and inorganic carbon in coastal montane tropical rivers. McDowell, W.H., Scatena, F.N., Ramirez, A., Potter, J.D. (2013): SE Section Annual Meeting, Geological Society of America

2013

Non-linear response of soil carbon gas (CO2, CH4) flux to oxygen availability. McNicol, G. and W.L. Silver (2013): ESA Annual Meeting. Sacramento, California

2013

Porosity and surface area evolution during weathering of igneous rocks. Navarre-Sitchler A., Cole D., Rother G., Jin L., Buss H.L., and Brantley S. (2013): Geochim. Cosmochim. Acta

2013

Drilling and GPR in the Rio Icacos Watershed if the Luquillo CZO, Puerto Rico: Weathering Processes and Architecture of the Deep Critical Zone. Orlando, J.J., Hynek, S.A., Comas, X., Buss, H.L., Brantley, S.L. (2013): Geological Society of America

2013

Impulse framework for unsteady flows reveals super-diffusive bed load transport. Phillips, C. B., Martin, R. L., and Jerolmack D. J. (2013): Geophysical Research Letters

2013

Annual Report 2013 How Critical Zone Processes differ in Landscapes with Contrasting Lithology but similar Climatic and Environmental Histories. Plante A.F., Brantely S.L., White A.F. (2013): University of Pennsylvania

2013

Linking geomorphology, weathering and soil cations in the Luquillo Mountains of Puerto Rico. Porder, S. Johnson, A.H., Xing H., Brocard G.Y., Goldsmith S.T. (2013): 2013 Fall Meeting, AGU, San Francisco, Calif

2013

Quantifying effects of deep and near-surface chemical erosion on cosmogenic nuclide buildup in soils, saprolite and sediment . Riebe, C.S., Granger D. E. (2013): Earth Surface Processes and Landforms. Cross-CZO

2013

Silver, W L, S J Hall, and G Gonzalez (2013) Differential effects of canopy disturbance and litter deposition on litterfall and nutrient dynamics following a simulated hurricane in a tropical forest (oral presentation). Silver, W. L., S. J. Hall, and G. Gonzalez (2013): ESA Annual Meeting. Minneapolis, Minnesota

2013 (In Press)

Disequilibrium Erosion in Eastern Puerto Rico – Is this How Many Clastic Sediment deposits are made? . Stallard, R.F. (2013): GSA Annual Meeting, Denver, CO , 27-30 October, 2013.

2013

Dynamics of Redox Reactions Structure Decomposition and Greenhouse Gas Fluxes in Humid Tropical Forest Soils. Steven J. Hall (2013): University of California - Berkeley

2013

Plant and nutrient controls on microbial functional characteristics in a tropical Oxisol. Stone M.M., Plante A.F., Casper, B.B. (2013): Plant and Soil

2013

Changes in extracellular enzyme activities and kinetics with depth across contrasting parent materials in the Luquillo Critical Zone. Stone M.M., Plante, A.F. (2013): Ecological Society of America Conference 2013.

2013

Soil Organic Matter and Microbial Activity in Critical Zone of Tropical Soils from Luquillo, Puerto Rico. Stone, M.M., Plante, A.F. (2013): Goldschmidt2013 Conference Abstracts. Florence Italy.

2013

Fractionation of yttrium and holmium during basaltic soil weathering. Thompson A., Amistadi M.K., Chadwick O.A., Chorover J. (2013): Geochimica et Cosmochimica Acta 119: 18–30 Cross-CZO

2013

Long-term climatic and topographic controls on sedminent export in the Luquillo Critical Zone Observatory. Willenbring, J.K., Brocard, G.Y., Scatena, F.N. (2013): GSA Annual Meeting, Denver, CO , 27-30 October, 2013

2013

Sensitivity of Soil Respiration to Variability in Soil Moisture and Temperature in a Humid Tropical Forest. Wood, T. E., M. Detto, and. W. L. Silver (2013): PLoS ONE

2012

Water quality and landscape processes of four watersheds in eastern Puerto Rico. Buss H.L., and White A.F. (2012): USGS

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

Rapid regolith formation over volcanic bedrock and implications for landscape evolution. Dosseto, A., Buss, H.L., Suresh, P.O. (2012): Earth and Planetary Science Letters

2012

Luquillo Experimental Forest: Research History and Opportunities. Harris, N.L.; Lugo, A.E.; Brown, S.; and Heartsill Scalley, T. (Eds.). (2012): Washington, DC: U.S. Department of Agriculture.

2012

Wet canopy evaporation from a Puerto Rican lower montane rain forest: the importance of realistically estimated aerodynamic conductance. Holwerda, F., Bruijnzeel, H.F., Scatena, F.N., Vugts H.F., Meesters, A.G.C.A. (2012): Journal of Hydrology Vol. 414-415. Pages 1-15

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

Geological and biological influence on soil and foliar δ15N in the Luquillo Mountains of Puerto Rico. Lu H.S., Mage S., Porder S. (2012): ESA 2012

2012

Bacterial Associations with Weathering Minerals at the Regolith-Bedrock Interface, Luquillo Experimental Forest, Puerto Rico. Minyard, M.L., Brunsm M.A., Liermann, L.J., Buss H.L., Brantley, S.L. (2012): Geomicrobilogy

2012

Reduced channel morphological response to urbanization in a flood-dominated humid tropical environment. Phillips C.B. and Scatena F.N. (2012): Earth Surface Processes and Landforms

2012

Stream Channel Response to Urbanization in the Humid Tropical Region of Northeast Puerto Rico. Phillips, C. B. (2012): Geological Society of America Abstracts with Programs. Vol. 44, No. 7, p.105

2012

2012 Annual Report CZO: Luquillo Critical Zone Observatory. Scatena F.N. (2012): University of Pennsylvania

2012

Just passing through --- high Hg deposition to Puerto Rico forest moves quickly off the landscape. Shanley, J. B, J.K. Willenbring, J. Kaste, M. Occhi, W.H. McDowell (2012): AGU Annual fall meeting

2011

Investigating the complex interface where bedrock transforms to regolith. Brantley, S. L., Buss, H., Lebedeva, M., Fletcher R.C., Ma L. (2011): Applied Geochemistry. Vol 26. S12-S15. Cross-CZO

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

Geochemical Model of Redox Reactions in a Tropical Rain Forest Stream Riparian Zone: DOC Oxidation, Respiration and Denitrification. Jiménez R.A., (2011): Master's Capstone and Thesis. University of Pennsylvania

2011

Atypical soil carbon distribution across a tropical steepland forest catena. Johnson K.D., Scatena F.N., Silver W.L. (2011): Catena, Volume 87, Issue 3, December 2011, Pages 391–397

2011

Germanium-silicon as a flow path tracer: Application to the Rio Icacos watershed. Kurtz A.C., Lugolobi F., Salvucci G. (2011): Water Resources Research

2011

Rainfall-induced landslide susceptibility zonation of Puerto Rico. Lepore C., Kamal S.A., Shanahan P., Bras R.L. (2011): Environmental Earth Sciences, 1-15

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

2011 Interim Report CZO: Luquillo Critical Zone Observatory. Scatena F.N. (2011): University of Pennsylvania

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

2010 Annual Report CZO: Luquillo Critical Zone Observatory. Scatena F.N. (2010): University of Pennsylvania

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