2019 (In Review)

Developing boron isotopes to elucidate shale weathering in the critical zone. Noireaux, Johanna, Pamela Sullivan*, Jérôme Gaillardet, Pascale Louvat, Grit Steinhoefel, Susan L. Brantley (2019): Chemical Geology, submitted

2018

Engaging over data on fracking and water quality. Brantley, S.L., Vidic, R.D., Brasier, K., Yoxtheimer, D., Pollak, J., Wilderman, C., and Wen, T. (2018): Science, 359 (6374): 395-398

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

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

Particle fluxes in groundwater change subsurface shale rock chemistry over geologic time. Kim, H., Gu, X., and Brantley, S.L. (2018): Earth and Planetary Science Letters, 500:180-191

2018

Aerobic microbial lithotrophic oxidation of pyrite at neutral pH. S.A. Napieralski*, V. Macon, S.L. Brantley, and E.E. Roden (2018): Abstract 10d:208 presented at 2018 Goldschmidt Meeting, Boston, MA 12-17 August

2018

Co-precipitation of calcite and sulfur at depth signifies biotic activity at the onset of weathering in crystalline rocks from temperate climates. Virginia Marcon*, Hang Wen, Li Li, Susan Brantley (2018): Abstract B23H-2625 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec

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

2017

Shale across Scales from the Depths of Sedimentary Basins to Soil and Water at Earth’s Surface (Invited). Brantley, S.L. and Gu, X. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

Perennial flow through convergent hillslopes explains chemodynamic solute behavior in a shale headwater catchment. Herndon, E., Steinhoefel, G., Dere, A.L.D., Sullivan, P.L. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

Subsurface particle loss during shale weathering can alter soil and rock chemistry. Kim, H., Gu, X., and Brantley, S.L. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2017

MONITORING, COLLECTING, AND ANALYZING THE WATER QUALITY DATA OF STREAMS IN CENTRAL PENNSYLVANIA. Matthew Bardo, Maya Bokunewicz, Susan Brantley, Lachlan Campbell, Matthew Carroll, Zachiah Cook, John Donoughe, Maria Duiker, Brandon Forsythe, Ava Fritz, Hannah Good, Kristen Lenze, Aaron Li, Emily Lieb, Kacy Mann, Lena Nyblade, Yvonne Pickering, Maria Rodriguez Hertz, Ethan Rowland, Eugene Ruocchio, Bryn Schoonover, Kathryn Thomas, Jennifer Zan Williams (2017): 2017 GSA Joint Section Meeting, Northeastern (52nd) and North-Central (51st), 19–21 March 2017 • Pittsburgh, Pennsylvania, USA

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

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

Qualitatively modeling solute fate and transport across scales in an agricultural catchment with diverse lithology. Wayman, C.R., Russo, T.A., Li, L., Forsythe, B., Hoagland, B. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

2016

Inputs of Organic Carbon to Watersheds via Atmospheric Deposition: Variation Across Spatial and Temperal Scales. Iavorivska, L., and Boyer, E.W. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.

2016

Using Stream Chemistry Measurements by Scientists and Nonscientists to Assess Leakage from Oil and Gas Wells in Pennsylvania. Brantley, S.L., Wendt, A., and Sowers, T.A. (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

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

Hydrogeochemical Synchrony Drives Chemostatic Behavior in Stream Chemistry (Invited). Li, L., Bao, C., Sullivan, P.L., Brantley, S.L., Shi, Y., and Duffy, C. (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

CZ-tope at Susquehanna Shale Hills CZO: Synthesizing multiple isotope proxies to elucidate Critical Zone processes across timescales in a temperate forested landscape. Sullivan P., Ma L., West N., Jin L., Karwan D., Noireaux J., Steinhoefel G., Gaines K., Eissenstat D., Gaillardet J., Derry L., Meek K., Hynek S., and Brantley S.L. (2016): Chemical Geology, vol 445, 103–119

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

Oxidative Dissolution under the Channel Leads Geomorphological Evolution at the Shale Hills Catchment . Sullivan, P.L., Hynek, S., Gu, X., Singha, K., White, T.S., West, N., Kim, H., Kirby, E., Clarke, B.; Duffy, C.; Brantley, S.L. (2016): American Journal of Science, 316 (10): 981-1026

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

Biotic controls on solute distribution and transport in headwater catchments. Herndon E. M., A. L. Dere, P. L. Sullivan, D. Norris, B. Reynolds, and S. L. Brantley (2015): Hydrology and Earth System Sciences Discussion

2015

Magnesium isotope fractionation during shale weathering in the Shale Hills Critical Zone Observatory: Accumulation of light Mg isotopes in soils by clay mineral transformation. Ma Lin, Fang-Zhen Teng, Lixin Jin, Shan Ke, Wei Yang, Hai-Ou Gu, Susan L. Brantley (2015): Chemical Geology, 397:37-50

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

Using WITCH to determine the factors that govern shale weathering and solute fluxes in the Critical Zone. Sullivan, Pamela L., Yves Godderis, Yuning Shi, Xin Gu, Jacques Schott, Christopher Duffy and Susan Brantley (2015): H52C-06 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

Microclimate controls on weathering: Insights into deep critical zone evolution from seismic refraction surveys in the Susquehanna Shale Hills Critical Zone Observatory. West, Nicole, Eric Kirby, Andrew Nyblade and Susan Brantley (2015): EP41C-0941 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.

2014

EXPLORING HOW ROCK TURNS TO REGOLITH AT THE SUSQUEHANNA SHALE HILLS CRITICAL ZONE OBSERVATORY, CENTRAL PENNSYLVANIA . BRANTLEY, S.L., LIN, Henry, SULLIVAN, Pamela L., GU, X., HASENMUELLER, Elizabeth A., and KAYE, Jason P. (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014

2014

The CO2 consumption potential during gray shale weathering: Insights from the evolution of carbon isotopes in the Susquehanna Shale Hills critical zone observatory. Jin, L., Ogrinc, N., Yesavage, T., Hasenmueller, E.A., Ma, L., Sullivan, P.L., Kaye, J., Duffy, C., and Brantley, S.L. (2014): Geochimica et Cosmochimica Acta, (142) 260–280

2014

Impact of Oil and Gas Industry Wastewater on Water and Sediment Chemistry in One Stream in West-Central Pennsylvania. Snyder, Daniel (2014): Bachelor of Science, The Pennsylvania State University

2014

IMPACT OF OIL AND GAS INDUSTRY WASTEWATER ON WATER AND SEDIMENT CHEMISTRY IN ONE STREAM IN WEST-CENTRAL PENNSYLVANIA. SNYDER, Daniel, NEAL, Andrew, and BRANTLEY, Susan (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014

2014

CZ-tope: A multiple isotope approach to quantify critical zone processes – the Susquehanna Shale Hills Critical Zone Observatory as an example. Steinhoefel, G., Sullivan, P., Noireaux, J., West, N., Hynek, S., Gaillardet, J., Jin, L., Ma, L., Derry, L.A., Meek, K., Karwan, D.L., Yesavage, T., Fantle, M.S., Brantley, S.L. (2014): Presented at the NSF National Critical Zone Observatory Program All Hands Meeting, Yosemite, CA, 21-24 Sept., 2014

2014

Shale to Regolith Evolution: The Controls on Catchment Solute Fluxes . Sullivan PL, Goddéris Y, Shi Y, Singha K, Clarke B, Schott J, Duffy CJ, Brantley SL (2014): 2014 EGU General Assembly, Vienna | Austria | 27 April – 02 May

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

2013

Water Resource Impacts During Unconventional Shale Gas Development: The Pennsylvania Experience. Brantley, S.L., Yoxtheimer, D., Arjmand, S., Grieve, P., Vidic, R., Abad, J.D., Simon, C.A., Pollak, J. (2013): Abstract PA14A-02 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 Catchment Isoscape: Theory and Experimental Evidence for the Isotopic Age of Water in a Critical Zone Observatory (Invited) . Duffy, C., Thomas, E., Sullivan, P.L., Bhatt, G., Yu, X. (2013): Abstract H41L-05 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

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

Using C and S isotopes to elucidate carbonic versus sulfuric acid reaction pathways during shale weathering in the Susquehanna Shale Hills Critical Zone Observatory . Jin, L., Ogrinc, N., Yesavage, T., Hasenmueller, E.A., Ma, L., Kaye, J.P., Brantley, S.L. (2013): Abstract H54A-05 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

2013

Using the NSF-funded Shale Network Database and Critical Zone Observatories to Assess Water Quality Concerns in Areas of Shale-Gas Development. Neal, A., Mendoza, A., Simon, C., Abad, J., Vidic, R., Yoxtheimer, D., and Brantley, S. (2013): AGU Science Policy Conference

2013

Boron isotopes at the Shale Hills Critical Zone Observatory. Noireaux, J., Sullivan, P.L., Louvat, P., Gaillardet, J., Brantley, S.L. (2013): Abstract H51B-1190 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec.

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

Developing approaches to hindcast and earthcast climate controls on solute fluxes during shale weathering in the Critical Zone . Sullivan, P.L., Godderis, Y., Shi, Y., Schott, J., Duffy, C., Brantley, S.L. (2013): Abstract EP11A-04 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

2012

Patterns in tree water isotopic signature at the Shale Hills Critical Zone Observatory. Gaines, K., Eissenstat, D.M. (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

Movement of manganese contamination through the Critical Zone . Herndon, E. M., Brantley S. L. (2011): Applied Geochemistry 26:S40–S43,

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

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

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

2010

Dynamical modelling of concentration–age–discharge in watersheds. Duffy, C. (2010): Hydrol. Process. 24, 1711–1718 Cross-CZO National

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

Soil production is faster on south-facing slopes in the Susquehanna/Shale Hills Critical Zone Observatory due to periglacial, vegetative, and climate factors (Invited). Jin, L., Eissenstat, D., Lin, H., Chabaux, F.J., Ma, L., Brantley, S.L. (2010): AGU Annual Fall Conference Proceedings