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Featured Publications


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


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


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


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


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


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


Enhancing Interoperability and Capabilities of Earth Science Data using the Observations Data Model 2 (ODM2). Hsu, Leslie, Emilio Mayorga, Jeffery S. Horsburgh, Megan R. Carter, Kerstin A. Lehnert and Susan L. Brantley (2017): Data Science Journal, 16: 4, pp. 1–16 Cross-CZO National


Expanding the role of reactive transport models in critical zone processes. Li Li, Kate Maher, Alexis Navarre-Sitchler, Jenny Druhan, Christof Meile, Corey Lawrence, Joel Moore, Julia Perdrial, Pamela Sullivan, Aaron Thompson, Lixin Jin, Edward W. Bolton, Susan L. Brantley, William E. Dietrich, K. Ulrich Mayer, Carl I. Steefel, Albert Valocchi, John Zachara, Benjamin Kocar, Jennifer Mcintosh, Benjamin M. Tutolo, Mukesh Kumar, Eric Sonnenthal, Chen Bao, Joe Beisman (2017): Earth-Science Reviews, 165:280-301 Cross-CZO


Variability in aboveground carbon dynamics driven by slope aspect and curvature in an eastern deciduous forest, USA. Smith, L., Eissenstat, D., and Kaye, M. (2017): Canadian Journal of Forest Research, vol. 47: 149–158


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


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


Designing a suite of measurements to understand the critical zone. Brantley, S. L., DiBiase, R. A., Russo, T. A., Shi, Y., Lin, H., Davis, K. J., Kaye, M., Hill, L., Kaye, J., Eissenstat, D. M., Hoagland, B., Dere, A. L., Neal, A. L., Brubaker, K. M., and Arthur, D. K (2016): Earth Surface Dynamics 4: 211-235


Fully-Coupled Hydrologic Processes for Modeling Landscape Evolution. Zhang, Y., R. Slingerland, and C. Duffy (2016): Environmental Modelling & Software, 82:89-107


Mineralogical Transformations and Soil Development in Shale across a Latitudinal Climosequence. Dere Ashlee L., Timothy S. White, Richard April, and Susan L. Brantley (2016): Soil Science Society of America, 80:623–636


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


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



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 (submitted)

Nutrient foraging by mycorrhizas: From species functional traits to ecosystem processes. Chen, Weile, Koide, Roger T., and Eissenstat, David M. (2018): Functional Ecology, 00:1–12

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

Nitrogen budget and topographic controls on nitrous oxide in a shale-based watershed. Weitzman, J. and Kaye, J.P. (2018): Journal of Geophysical Research: Biogeosciences (In Review)

Testing the Fill-and-Spill Model of Subsurface Lateral Flow Using GPR and Dye Tracing . Nyquist, Jon; Laura Toran; Lacey Pitman; Li Guo; Hangsheng (Henry) Lin (2018): Vadose Zone Journal

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Gilbert's soil production paradigm applied to a critical zone's fractionation of particle sizes. Richter, D. deB, Austin, J., Anderson, R.S., Bacon, A.R., Brantley, S.L., Brecheisen, Z., Schroeder, P.A., Wade, A., Holbrook, W.S., Marcon, V., Thompson, A. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec

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

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Undergrad Theses

Seismic Refraction for Subsurface Analysis of Garner Run. Wang, Eric (2015): Senior Thesis, Geosciences, The Pennsylvania State University

Thick soil formation on Orthoquartzite since the Wisconsinan in Huntingdon County. Macdonald, Sara (2015): Senior Thesis, Geosciences, The Pennsylvania State University

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Perspectives on CZ science - Plenary Address. Brantley, S.L. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 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

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

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Lithological controls on soil properties of temperate forest ecosystems in central Pennsylvania. Hill, L. (2017): Master of Science, Ecology, The Pennsylvania State University, p. 89

A record of coupled hillslope and channel response to Pleistocene periglacial erosion in a sandstone headwater valley, central Pennsylvania. Del Vecchio, J. (2017): Master of Science, Geosciences, The Pennsylvania State University, p.

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