2019

Exploring the effect of aspect to inform future earthcasts of climate-driven changes in weathering of shale. Sullivan, P., Godderis, Y., Shi, Y., Gu, X., Schott, J., Hasenmueller, E.A., Kaye, J., Duffy, C., Jin, L., and Brantley, S.L. (2019): Journal of Geophysical Research - Earth Surface

2019 (In Review)

Predominant control of soil properties in storage-discharge relationship and threshold behavior in catchments derived from contrasting lithologies. Xiao, D., Shi, Y., Brantley, S. L., Forsythe, B., DiBiase, R. A., Davis, K. J., Li, L. (2019): Water Resources Research (in review)

2018

Land use and lithology controls on export of nitrate and other solutes from headwaters to HUC10 watersheds. Callum Richard Wayman*, Tess A Russo, Jonathan M Duncan, Li Li, Brandon Forsythe, Beth Hoagland, Susan Brantley (2018): Abstract H13J-1861 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2018

Critical measurements of hydrologic response in a first-order, forested catchment at the Susquehanna Shale Hills Critical Zone Observatory (SSHCZO). Dacheng Xiao*, Yuning Shi, Qicheng Tang, Henry Lin, David M Eissenstat, Susan Brantley, Li Li (2018): Abstract EP11C-2065 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2018

The Weathering of Rock to Regolith: Activity of Deep Roots in Bedrock Fractures (Invited). Elizabeth Ann Hasenmueller*, Xin Gu, Julie N Weitzman, Thomas S Adams, Gary E. Stinchcomb, David M Eissenstat, Patrick J Drohan, Susan Brantley, Jason P Kaye (2018): Abstract EP11D-2082 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14

2018

Upscaling Hydrological Dynamics at the Watershed Scale. Hang Wen*, Li Li, Susan Brantley (2018): Abstract H43C-2405 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2018

Perennial flow through convergent hillslopes explains chemodynamic solute behavior in a shale headwater catchment. Herndon, Elizabeth M., Steinhoefel, Grit, Dere, Ashlee L.D., and Sullivan, Pamela L. (2018): Chemical Geology

2018

SURFACE WATER-SEDIMENT INTERACTIONS: EXAMPLES FROM PRISTINE AND CONTAMINATED CATCHMENTS. Hoagland, Nell Elizabeth (2018): Doctor of Philosophy, Geosciences and Biogeochemistry, The Pennsylvania State University, p. 270

2018

Combining long-term observations with experiments to test hypotheses on stream water dissolved organic carbon dynamics at the Sleepers River Research Watershed. Julia N Perdrial*, Malayika M Cincotta, Jesse Armfield, Thomas Adler, James B Shanley, Kristen Underwood, Donna M Rizzo, Hang Wen, Li Li, Adrian Harpold, Gary Sterle (2018): Abstract H12D-07 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14

2018

Soil Moisture Sensor Network Advances the Monitoring and Understanding of Catchment Hydrology: Case Studies from the Shale Hills CZO. Li Guo*, Henry Lin (2018): Abstract H53J-1721 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

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

Comparing preferential flow between two catchments with contrasting lithologies. Qicheng Tang*, Jonathan M Duncan, Dacheng Xiao, Li Li, Li Guo, Henry Lin, David M Eissenstat (2018): Abstract H41O-2310 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2018

Understanding flow transport in the Critical Zone using 3D electrical resistivity imaging. Saneiyan, S., Robinson, J., Slater, L., Brantley, S.L., Mount, G.J., Forsythe, B. (2018): SAGEEP 2018 Meeting. 25-29 March, Nashville, TN

2018

UNDERSTANDING THE EFFECTS OF HYDROLOGIC CONNECTIVITY, LAND USE, AND LITHOLOGY ON WATER QUALITY ACROSS SCALES: FROM A ZEROTH ORDER CATCHMENT TO A HUC 10 WATERSHED IN THE SUSQUEHANNA RIVER BASIN . Wayman, Callum (2018): Master of Science, Geosciences, The Pennsylvania State University, p. 103

2018

Understanding Contrasting Concentration-discharge (CQ) Behaviors in a Seasonally Snow-covered Watershed. Wei Zhi*, Li Li, Jason P Kaye, Wenming Dong, Wendy Brown, Carl I Steefel, Kenneth Hurst Williams (2018): Abstract EP11C-2077 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2018

Development of a Next Generation Spatially Distributed Agroecosystem Model. Yuning Shi*, Armen Kemanian, Charles White, Felipe Montes (2018): Abstract B33G-2761 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

2017

Combined soil-terrain stratification for characterizing catchment-scale soil moisture variation. Baldwin, D., Naithani, K.J., and Lin, H. (2017): Geoderma 285:260–269

2017

Understanding watershed hydrogeochemistry: 1 Development of RT-Flux-PIHM. Bao, Chen, Li Li, Yuning Shi, Christopher Duffy (2017): Water Resources Research, 53(3) 2328–2345.

2017

Toward a conceptual model relating chemical reaction fronts to water flow paths in hills. Brantley Susan L., Marina Lebedeva, Victor Balashov, Kamini Singha, Pamela L. Sullivan, Gary Stinchcomb (2017): Geomorphology, vol 277, p 100-117

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

Shallow critical zone architecture of a headwater sandstone catchment quantified using near-surface geophysics. DiBiase, R., Del Vecchio, J.M., Mount, G.J., Hayes, J.L., Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B. and Brantley, S.L. (2017): AGU-SEG Hydrogeophysics Workshop, Stanford, Calif., 24-27 July

2017

Subsurface Hydrologic Processes Revealed by Time-lapse GPR in Two Contrasting Soils in the Shale Hills CZO. Guo, L., Lin, H., Nyquist, J., Toran, L., Mount, G. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

Hyporheic zone influences on concentration-discharge relationships in a headwater sandstone stream. Hoagland, Beth, Russo, Tess A., Gu, Xin, Hill, Lillian, Kaye, Jason, Forsythe, Brandon, and Brantley, Susan L. (2017): Water Resources Research, 53(6):4643–4667

2017

Controls on solute concentration-discharge relationships revealed by simultaneous hydrochemistry observations of hillslope runoff and stream flow: The importance of critical zone structure. Kim, Hyojin, William E. Dietrich, Benjamin M. Thurnhoffer, Jim K. B. Bishop, and Inez Y. Fung (2017): Water Resources Research, 53:1424-1443 Cross-CZO

2017

Understanding Watershed Hydrogeochemistry: 2 Synchronized Hydrological and Geochemical Processes Drive Stream Chemostatic Behavior . Li Li, Chen Bao, Pamela L. Sullivan, Susan Brantley, Yuning Shi, Chris Duffy (2017): Water Resources Research, 53(3) 2346–2367

2017

Integrating geomorphological and time-lapse geophysical techniques to characterize hydrogeologic properties within shale and sandstone catchments at the Susquehanna Shale Hills Critical Zone Observatory, Pennsylvania, USA. Mount, G.J., DiBiase, R., Comas, X., Del Vecchio, J., Guo, L., Hayes, J., Forsythe, B., Brantley, S. (2017): AGU-SEG Hydrogeophysics Workshop, San Francisco, Calif., 24-27 July 2017

2017

UNRAVELING HOW LANDSCAPE HETEROGENEITY ALTERS CONCENTRATION DISCHARGE BEHAVIOR IN CARBONATE HEADWATER STREAMS. Sullivan, P., Stops Jr., M., MacPherson, G.L., Li. L., and Dodds, W.K. (2017): 2017 Geological Society of America Fall Meeting, Seattle, WA, 22-25 October

2017

Comparing preferential flow and soil moisture dynamics in two catchments of contrasting lithology. Tang, Q., Guo, L., Eissenstat, D.M., Lin, H. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

Understanding the hydrologic and geochemical control of regolith formation on shale in a hilly landscape. Xiao, D., Brantley, S.L., and Li, L. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

Understanding controls of hydrologic processes across two headwater monolithological catchments using model-data synthesis. Xiao, D., Shi, Y., Hoagland, B., Del Vecchio, J., Russo, T.A., DiBiase, R.A., Li, L. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2016

UNDERSTANDING HYDROLOGICAL AND GEOCHEMICAL CONTROLS ON SOLUTE CONCENTRATIONS AT LARGE SCALE. Bao, Chen (2016): Doctor of Philosophy, Petroleum and Natural Gas Engineering, The Pennsylvania State University, p. 183

2016

Assimilating the cosmic-ray soil moisture observing system measurements for understand watershed hydrodynamics. Cai, Z., Xiao, D., Shi, Y., and Li, L. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Using Isotopic Age of Water as a Constraint on Model Identification at the Critical Zone Observatory (Invited). Duffy, C., Thomas, E., Bhatt, G., Holmes, G., Boyer, E.W., and Sullivan, P. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Three Principles of Water Flow in Soils. Guo, L and Lin, H. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Atmospheric inputs of organic matter to a forested watershed: Variations from storm to storm over the seasons. Iavorivska, Lidiia, Elizabeth W. Boyer, Matthew P. Miller, Michael G. Brown, Terrie Vasilopoulos, Jose D. Fuentes, Christopher J. Duffy (2016): Atmospheric Environment , vol 147, p. 284-295

2016

Understanding Hydrogeochemical Processes at the Watershed Scale Using RT-Flux-PIHM. Li, L., Bao, C., Shi, Y., Duffy, C., and Brantley, S.L. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

A framework for estimating the occurrence frequency and dominant controls of preferential flow across diverse soil landscape. Lin, H. and Guo, L. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

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

Characterizing Subsurface Lithology and Hydrological Processes at the Susquehanna Shale Hills CZO Using Multi-scale Near-surface Geophysical Measurements. Mount, G., Guo, L., Comas, X., DiBiase, R., Hayes, J.L., Del Vecchio, J., Forsythe, B., Brantley, S.L., and Lin, H. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Using a spatially-distributed hydrologic biogeochemistry model to study the spatial variation of carbon processes in a Critical Zone Observatory. Shi, Y., Eissenstat, D.M., Davis, K.J., and He, Y. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Evaluating the Importance of Regolith Heterogenity on Catchment Hydrology in Garner Run, Susquehanna Shale Hills Critical Zone Observatory, Pennsylvania, USA. Silverhart, P., Zhi, W., Xiao, D., Del Vecchio, J., DiBiase, R., and Li, L. (2016): 2016 Geological Society of America Fall Meeting, Denver, CO, 25-28 September

2016

Pyrite Dissolution Leads Watershed Geomorphological Evolution . Sullivan, P.L., Hynek, S., Gu, X., and Brantley, S.L. (2016): 2016 Geological Society of America Fall Meeting, Denver, CO, 25-28 September

2016

Understanding controls of hydrologic processes across two monolithological catchments using model-data integration. Xiao, D., Shi, Y., and Li, L. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Cyber-Innovated Watershed Research at the Shale Hills Critical Zone Observatory. Yu Xuan, Christopher Duffy, Yolanda Gil, Lorne Leonard, Gopal Bhatt, and Evan Thomas (2016): IEEE SYSTEMS JOURNAL, 10 (3): 1239 - 1250

2016

Open science in practice: learning integrated modeling of coupled surface-subsurface flow processes from scratch. Yu Xuan; Christopher J. Duffy; Alain N. Rousseau; Gopal Bhatt; Álvaro Pardo Álvarez; Dominique Charron (2016): Earth and Space Science, 3 (5): 190–206

2016

Virtual experiments guide calibration strategies for a real-world watershed application of coupled surface-subsurface modeling . Yu, Xuan; Christopher Duffy; Yu Zhang; Gopal Bhatt; Yuning Shi (2016): Journal of Hydrologic Engineering, 21 (11):

2016

Electrical Resistivity Imaging is Consistent with Shallow Interflow within the Garner Run subcatchment of the Susquehanna Shale Hills CZO. Zarif, F., Slater, L.D., Brantley, S.L., Robinson, J., and Kessouri, P. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2015

Understanding the Concentration-Discharge Relationship of Chloride and Magnesium in Shale Hills Using RT-Flux-PIHM. Bao, Chen, Li Li, Yuning Shi, Pamela L Sullivan, Christopher Duffy and Susan L Brantley (2015): H53E-1700 Modeling the Critical Zone: Integrating Processes and Data across Disciplines and Scales II Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Understanding How Nested Reaction Fronts under Watersheds Impact Flow, Transport, and Geomorphological Evolution: the Shale Hills Example . Brantley, Susan L and Pamela L Sullivan (2015): H53K-08 Flow, Mixing, and Reaction: Interactions and Coupling in Hydrological Systems II, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Elucidating the Effects of Reservoir Filling on Watershed Hydrodynamics and Shallow Groundwater Chemistry in a Previously Impounded Lake . Cain, Molly (2015): Bachelor of Science, Geosciences, The Pennsylvania State University

2015

The tree water isoscape of a central Pennsylvania catchment: ecohydrologic patterns and processes. Gaines, Katie and Kristen Marie Brubaker (2015): H21C-1387 Ecohydrology in the Critical Zone I Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

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

Topographic controls on the depth distribution of soil CO2 in a small temperate watershed. Hasenmueller, E.A., Jin, L., Stinchcomb, G.E., Lin, H., Brantley, S.L., Kaye, J.P. (2015): Applied Geochemistry, vol 63, 58-69

2015

The Activity of Deep Roots in Bedrock Fractures at the Susquehanna Shale Hills Critical Zone Observatory, USA. Hasenmueller, Elizabeth Ann, Xin Gu, Julie N Weitzman, Thomas S Adams, Gary E Stinchcomb, David M Eissenstat, Susan L Brantley and Jason P Kaye (2015): H21C-1383 Ecohydrology in the Critical Zone I Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Landscape heterogeneity drives contrasting concentration-discharge relationships in shale headwater catchments. Herndon EM, Dere AL, Sullivan PL, Norris D, Reynolds B, and Brantley SL (2015): Hydrology and Earth Systems Sciences, vol 19:3333–3347

2015

Exploring the role of domain partitioning on efficiency of parallel distributed hydrologic model simulations. Kumar, M., and Duffy, C. J. (2015): Journal of Hydrogeology & Hydrologic Engineering 4: 1-12 Cross-CZO

2015

PREDICTIVE UNDERSTANDING OF BIOGEOCHEMICAL REACTIONS IN HETEROGENEOUS POROUS MEDIA. Li, L (2015): 2015 GSA Annual Meeting, Baltimore, MD, Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.838

2015

Comparison of Two Conceptually Different Physically-based Hydrological Models – Looking Beyond Streamflows . Rousseau, Alain N, Alvaro Pardo Álvarez, Xuan Yu, Stephane Savary and Christopher Duffy (2015): H23E-1624 Intercomparison Studies of Hydrological Models: Beyond Comparing Streamflows, Snow Water Equivalent, and Evapotranspiration Posters, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.

2015

Parameter estimation of a physically-based land surface hydrologic model using an ensemble Kalman filter: A multivariate real-data experiment. Shi, Y., K. J. Davis, F. Zhang and C. J. Duffy, and X. Yu (2015): Advances in Water Resources, vol 83, 421–427

2015

The interplay of regolith evolution and watershed hydrodynamics in a first order watershed. Sullivan P.L., Hynek, S., Gu, X., Singha, K., White, T., West, N., Kim, H., Clarke, B., Kirby, E., Duffy, C., and Brantley, S.L (2015): 2015 Goldschmidt Conference, Prague, CZ, 16-21 Aug

2015

A coupled surface-subsurface modeling framework to assess the impact of climate change on freshwater wetlands: a case study of seven watersheds of the Susquehanna River Basin. Yu Xuan, Gopal Bhatt, Christopher Duffy, Denice Wardrop, Raymond Najjar, Andrew Ross, Matthew Rydzik (2015): Climate Research, 66:211-228

2014

B22A-01 Rapid Water Uptake and Limited Storage Capacity at Height of Growing Season in Four Temperate Tree Species in a Central Pennsylvania Catchment . Katie Gaines • Frederick Meinzer • Christopher Duffy • Evan Thomas • David Eissenstat (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th

2014

Model-data synthesis of the carbon and water cycles at very high resolution in complex topography. Kenneth Davis, Chris Duffy, David Eissenstat, Yuning Shi, Susan Brantley, Yuting He, Jason Kaye, Margot Kaye, Henry Lin, Andrew Neal, Xuan Yu, Fuqing Zhang (2014): AmeriFlux Annual Meeting, May 4-5, 2014

2014

When water meets rock: controls of chemical weathering across scales (Invited). Li Li (2014): CUAHSI 2014 Biennial Colloquium, July 28-30, 2014, Shepherdstown, WV

2014

ED31F-3481 Elucidating the effects of dam restoration on hydrologic patterns in streams and tributaries . Molly Cain • Tess Russo • Pamela Sullivan • Andrew Neal (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th

2014

EP23E-3634 The Interplay of Regolith Evolution and Watershed Hydrodynamics on Shale Weathering Fluxes . Pamela Sullivan • Scott Hynek • Kamini Singha • Tim White • Xin Gu • Christopher Duffy • Susan Brantley (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th

2014

GROUND-PENETRATING RADAR IMAGES HYDROLOGICAL PROCESSES WITHIN THE UNSATURATED ZONE AT THE SUSQUEHANNA-SHALE HILLS CZO. PITMAN, Lacey, NYQUIST, Jonathan, TORAN, Laura, and LIN, Henry (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014

2014

Evaluation of the parameter sensitivity of a coupled land surface hydrologic model. Shi, Y., K. J. Davis, F. Zhang, and C. J. Duffy (2014): Journal of Hydrometeorology, 15:279–299

2014

Parameter estimation of a physically-based land surface hydrologic model using the ensemble Kalman Filter: A synthetic experiment. Shi, Y., K. J. Davis, F. Zhang, C. J. Duffy, and X. Yu (2014): Water Resources Research, 50, 706—724

2014

The interplay of regolith evolution and watershed hydrodynamics at Susquehanna Shale Hills CZO Critical Zone All Hands Meeting, Yosemite Park CA . Sullivan PL, Hynek S, Singha K, White T, Gu X, Russo T, Kim H, Duffy C, Clarke B, and Brantley SL. (2014): Presented at the NSF National Critical Zone Observatory Program All Hands Meeting, Yosemite, CA, 21-24 Sept., 2014

2014

The role of macropores and multi-resolution soil survey datasets for distributed surface–subsurface flow modeling. Yu Xuan, Christopher Duffy, Doug C. Baldwin, and Henry Lin (2014): Journal of Hydrology, 516:97-106

2014

H13M-07 Towards Improved High-Resolution Land Surface Hydrologic Reanalysis Using a Physically-Based Hydrologic Model and Data Assimilation (Invited) . • Yuning Shi • Kenneth Davis • Fuqing Zhang • Christopher Duffy • Xuan Yu (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th

2013

Understanding the Hydrological Controls on the Water Chemistry at the Watershed Scale Using an Integrated Hydro-Thermo-Geochemical Model PIHM-RT. Bao, C., Li, L., Shi, Y., Qiao, C., Sullivan, P.L., Brantley, S.L., Duffy, C. (2013): Abstract H51A-1174 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

2013

Assessing the Extent of Reaction Versus Depth at Ridgetops and Hillslopes to Understand Controls on Denudation. BRANTLEY, Susan L., DERE, Ashlee, LEBEDEVA, Marina, WHITE, Timothy (2013): GSA Annual Meeting

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

Above- and belowground controls on water use by trees of different wood types in an eastern United States deciduous forest. Meinzer, F.C., D.R. Woodruff, D.M. Eissenstat, H.S. Lin, T. Adams, K.A. McCulloh. (2013): Tree Physiology, Vol 33 (4): 345-356

2013

Using WITCH to quantify landscape and hydrologic controls on solute fluxes in the Critical Zone (Susquehanna Shale Hills Observatory, PA) . Pamela L. Sullivan, Yves Godderis, Yuning Shi, Jacques Schott, Christopher J. Duffy, Susan L. Brantley (2013): Mineralogical Magazine, 77(5) 2284

2013

Development of a Coupled Land Surface Hydrologic Model and Evaluation at a Critical Zone Observatory. Shi, Y., K. J. Davis, C. J. Duffy, and X. Yu (2013): Journal of Hydrometeorology, 14, 1401—1420

2013

Geologic controls on fracture distributions within the Shale Hills Critical Zone Observatory. Singha, K., Clarke, B.A., Sullivan, P.L., Chattopadhyay, P.B., Brantley, S.L. (2013): Abstract H43L-08 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

2013

Spatial and Temporal Patterns of Water Stable Isotope Compositions at the Susquehanna-Shale Hills Critical Zone Observatory . Thomas, E (2013): Master of Science, Civil Engineering, The Pennsylvania State University, p.118

2013

Spatiotemporal patterns of water stable isotope compositions at the Shale Hills Critical Zone: Linkages to subsurface hydrologic processes. Thomas, Evan M., Henry Lin, Christopher J. Duffy, Pamela L. Sullivan, George H. Holmes, Susan L. Brantley and Lixin Jin (2013): Vadose Zone Journal

2013

Parameterization for distributed watershed modeling using national data and evolutionary algorithm. Yu, X., Bhatt, G., Duffy C. J., and Shi, Y. (2013): Computers & Geosciences 58:80-90

2013

A New Hydrologic-Morphodynamic Model for Regolith Formation and Landscape Evolution. Zhang, Y., Slingerland, R.L., Duffy, C. (2013): Abstract EP33A-0858 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

2012

Exploring controls on saline tracer movement within the hyporheic zone using finite-element modeling and electrical resistivity. Chattopadhyay, P. B., Singha, K., Gooseff, M.N. (2012): AGU Annual Fall Conference Proceedings

2012

Multi-scale lidar greatly improve characterization of forested headwater streams in central Pennsylvania (poster). Kristen M. Brubaker and Elizabeth W. Boyer (2012): AGU Chapman Conference on Remote Sensing of the Terrestrial Water Cycle, Kona, HI, February 2012

2012

Looking beneath the surface for sustainability: Future of soil science in the new era (invited keynote). Lin, H. (2012): 12th National Congress of Chinese Soil Science Society. August 21-22, 2012, Chengdu, China.

2012

Fracture Patterns within the Shale Hills Critical Zone Observatory (Invited). Singha, K., White, T., Perron, J., Chattopadhyay, P.B., Duffy, C. (2012): AGU Annual Fall Conference Proceedings

2012

Spatial and Temporal Patterns of Stable Isotopes in Soil and Ground Water at the Shale Hills Critical Zone Observatory. Thomas, E., G. Holmes, H. Lin, and C. Duffy (2012): 2nd International Conference on Hydropedology, Leipzig, Germany, July 22-27, 2012.

2012

Comparison of Stable Isotope Composition in Precipitation between Atmospheric General Circulation Models and Shale Hills Critical Zone Observations. Thomas, E., Yoshimura, K., Duffy, C. (2012): AGU Annual Fall Conference Proceedings

2011

Coupling Dissolved Organic Carbon and Hydropedology in the Shale Hills Critical Zone Observatory. Andrews, D.M. (2011): Doctor of Philosophy, Soil Science, The Pennsylvania State University, p. 233.

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

The Virtual Watershed Observatory: Cyberinfrastructure for Model-Data Integration and Access (Invited). Duffy, C., Leonard, L.N., Giles, L., Bhatt, G., Yu, X (2011): AGU Annual Fall Conference Proceedings

2011

Controls and Frequency of Preferential Flow Occurrence: A 175-event Analysis. Graham, C., and Lin, H.S. (2011): Vadose Zone Journal 10:816-831

2011

Usings δ2H AND δ18O To Determine The Flowpaths and Timescales of Water at the Susquehanna Shale Hills Critical Zone Observatory, . Holmes III, G.H., (2011): Master of Science, Civil Engineering, The Pennsylvania State University, p. 70.

2011

Controls of mineralogy and hydrology on weathering fluxes in the Susquehanna Shale Hills Critical Zone Observatory. Jin, L., Andrews, D.M., Holmes, G., Duffy, C., Lin, H., Brantley, S.L. (2011): AGU Annual Fall Conference Proceedings

2011

Opening the "Black Box": Water Chemistry Reveals Hydrological Controls on Weathering in the Susquehanna Shale Hills Critical Zone Observatory . Jin, L., Andrews, D.M., Holmes, G.H., Lin, H., and Brantley, S.L. (2011): Vadose Zone Journal 10:928-942,

2011

Soil chemistry and shale weathering on a hillslope influenced by convergent hydrologic flow regime at the Susquehanna/Shale Hills Critical Zone Observatory. Jin, L.,Brantley S. L. (2011): Applied Geochemistry 26:S51–S56,

2011

Quantifying Solute Transport at the Shale Hills Critical Zone Observatory. Kuntz, B., Rubin, S., Berkowitz, B., and Singha, K. (2011): Vadose Zone Journal 10:843-857

2011

Laboratory, Field and Modeling Analysis of Solute Transport Behavior at the Shale Hills Critical Zone Observatory. Kuntz, B.W., Rubin, S., Berkowitz, B., Singha, K., Toran, L. (2011): All Hands Meeting, Oracle, AZ, May, 2011

2011

Fully coupled approach to modeling shallow water flow, sediment transport, and bed evolution in rivers . Li S., and Duffy, C. J. (2011): WATER RESOURCES RESEARCH VOL. 47, W03508,

2011

Subsurface Lateral Flow and Hillslope Hydrologic Connectivity in the Shale Hills Critical Zone Observatory (Invited). Lin, H., Zhang, J. (2011): AGU Annual Fall Conference Proceedings

2011

Using Groundwater Models to Understand the Effects of Fractures on the Transport of Solutes at the Shale Hills Critical Zone Observatory. Mercuri, M., Toran, L., Nyquist, J., Kuntz, B., Singha, K. (2011): GSA Annual Fall Meeting

2011

Spatio-Temporal Dynamics of Vegetation Structure and Hydrology at Shale Hills Critical Zone Observatory in Central Pennsylvania. Naithani K.J., K. Gaines, D. Baldwin, H. Lin, & D.M. Eissenstat (2011): 1st Conference on Spatial Statistics, Enschede, Netherlands. March 23-25, 2011. Poster

2011

Spatio-Temporal Dynamics of Vegetation Structure and Hydrology at Shale Hills Critical Zone Observatory in Central Pennsylvania. Naithani, K.J., Gaines, K., Baldwin, D., Lin, H., Eissenstat, D.M. (2011): Postdoctoral Research Exhibition, PSU. April 12, 2011. Poster

2011

Spatio-Temporal Dynamics of Vegetation Structure and Hydrology at Shale Hills Critical Zone Observatory in Central Pennsylvania. Naithani, K.J., Gaines, K., Baldwin, D., Lin, H., Eissenstat, D.M. (2011): All Hands Meeting, Oracle, AZ, May, 2011 Poster

2011

Development of a summer field-based hydrogeology research experience for undergraduates. Singha, K. (2011): AGU Annual Fall Conference Proceedings Cross-CZO

2011

Temporal Dynamics of Soil Moisture Spatial Variability in the Shale Hills Critical Zone Observatory. Takagi, K. and H.S. Lin. (2011): Vadose Zone Journal 10:832-842,

2011

Hyporheic Zone Study at Susquehanna/Shale Hills Critical Zone Observatory. Yu, X., Duffy, C., Bhatt, G., Kumar, M. (2011): AGU Annual Fall Conference Proceedings

2010

Simulation and Sensing at the Shale Hills Critical Zone Observatory (Invited). Duffy, C. (2010): Department talk at Stroud Water Center and Christina CZO

2010

The age of recharge in hydrologic flow systems: the Shale Hills Critical Zone Observatory. Duffy, C. and Holmes, G. (2010): Chesapeake Modeling Symposium, May 10-11, 2010

2010

Watershed reanalysis: data assimilation from strip charts to embedded sensor networks (Invited). Duffy, C., Kumar, M., Bhatt, G., Leonard, L.N., Yu, X., Shi, Y., Davis, K.J., Holmes, G. (2010): AGU Annual Fall Conference Proceedings

2010

Spatial-Temporal Patterns of Preferential Flow Occurrence In the Shale Hills CZO Based on Real-Time Soil Moisture Monitoring. Graham, C., and H.S. Lin (2010): ASA, CSSA and SSSA International Annual Meeting

2010

Controls on preferential flow in the vadose zone. Graham, C.B., Lin, H. (2010): AGU Annual Fall Conference Proceedings

2010

Evidence of mobile/immobile flow at the Susquehanna Shale Hills Critical Zone Observatory using the stable isotope network. Holmes, G., Duffy, C., Boyer, E.W., Jin, L., Andrews, D. (2010): AGU Annual Fall Conference Proceedings

2010

Earth's Critical Zone and hydropedology: Concepts, characteristics, and advances . Lin, H.S. (2010): Hydrology and Earth System Science 14:25-45.

2010

Spatial and Temporal Dynamics of Vegetation and Hydrological Properties at Shale Hills Critical Zone Observatory in Central Pennsylvania. Naithani, K.J., Gaines, K., Baldwin, D., Lin, H., Eissenstat, D.M. (2010): AGU Annual Fall Conference Proceedings

2010

Tree species distribution in relation to stem hydraulic traits and soil moisture in a mixed hardwood forest in central Pennsylvania . Wubbles, J. (2010): Master of Science, Horticulture, The Pennsylvania State University, p. 39.

2009

The Shale Hills Critical Zone Observatory for Embedded Sensing and Simulation (Invited). Duffy, C. (2009): Interagency Steering Committee on Multimedia Environmental Models Workshop,

2009

The age of recharge in mountain-front flow systems (Invited). Duffy, C. (2009): AGU Chapman Conference

2009

Pressure vs particle velocities from the pedon to the hillslope scale. Graham, C.B., Lin, H., McDonnell, J. (2009): SSSA Annual Meeting

2009

Solute transport in shale and shale-derived soils at the Shale Hills CZO. Kuntz, B., Singha, K. (2009): AGU Annual Fall Conference Proceedings

2009

Exploring Lithologic Controls on Solute Transport at the Shale Hills Critical Zone Observatory. Singha, K., Kuntz, B., Toran, L. (2009): AGU Annual Fall Conference Proceedings

2009

Combining time-lapsed GPR and real-time soil moisture monitoring to detect subsurface lateral flow. Zhang, J., Lin, H., Doolittle, J. (2009): SSSA Annual Meeting