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53 Publications

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

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

Within-storm and Seasonal Differences in Suspended Material Composition and Sources in White Clay Creek, USA. D.L. Karwan, A.K. Aufdenkampe, R. Aalto, J.D. Newbold, J.E. Pizzuto (2012): American Association of Geographers Annual Meeting, February 24-28, 2012

2012

Creative Uses of Custom Electronics for Environmental Monitoring at the Christina River Basin CZO. Hicks, S., Aufdenkampe, A., and Montgomery, D. (2012): American Geophysical Union Annual Fall Meeting, San Francisco, CA, December 3-7, 2012

2012

The Christina River Basin Critical Zone Observatory (CRB-CZO): Quantifying carbon sequestration by integrating spatial and temporal carbon and mineral fluxes. J. Kan, D. Karwan, O. Lazareva, C. Rosier, A. Aufdenkampe, D. L. Sparks, L. A. Kaplan, J. Pizzuto, K. Yoo (2012): The 2nd International Conference of Geobiology-Critical Zone Observatories for sustainable soil development and beyond. Sept 4-8, 2012, Wuhan, China.

2012

Characterization and Source Determination of Suspended Particulate Material in White Clay Creek, USA. Karwan, D.L. (2012): Invited Seminar, United States Geological Survey, Reston, Virginia, January 27, 2012

2012

Sediment Fingerprinting in White Clay Creek and the Christina River Basin Critical Zone Observatory. Karwan, D.L. (2012): Invited Seminar, University of Pennsylvania, Department of Earth and Environmental Science, April 2, 2012

2012

Beryllium-7 Wet Deposition in Open Precipitation and Canopy Throughfall. Karwan, D.L., Levia, D., Siegert, C., and Pizzuto, J. (2012): American Geophysical Union Annual Fall Meeting, December 3-7, 2012, San Francisco, CA

2012

Biogeochemical Transformation of Fe- and Mn- Along a Redox Gradient: Implications for Carbon Sequestration within the Christina River Basin Critical Zone Observatory. Lazareva, O. (2012): Department of Plant and Soil Sciences Seminar, University of Delaware, March

2012

Biogeochemical Transformation of Fe- and Mn- Along a Redox Gradient: Implications for Carbon Sequestration within the Christina River Basin Critical Zone Observatory. Lazareva, O., D.L. Sparks, A. Aufdenkampe, K. Yoo, S. Hicks and J. Kan. (2012): DENIN Research Symposium, University of Delaware, Newark, Delaware, January

2012

Biogeochemical transformation of Fe- and Mn- along a redox gradient: Implications for carbon sequestration within the Christina River Basin Critical Zone Observatory. Olesya Lazareva, Donald L. Sparks, Anthony Aufdenkampe, Jinjun Kan, Steven Hicks, Joshua LeMonte, Weinan Pan, Chunmei Chen (2012): 243rd ACS National Meeting and Exposition, San Diego, California, March 25 - 29.

2012

Biogeochemical Dynamics of Aqueous Fe and Mn in Soil Pore-Waters and Stream with Respect to Dissolved Organic Matter (DOM) Quantity and Quality. Olesya Lazareva, Sparks, D.L., Pan, W., Kan, J., Aufdenkampe, A. (2012): Goldschmidt Conference, Montreal, Canada, June 24-29.

2012

Assessing the Effects of Canopy-derived Nutrient Fluxes on Key Soil Ecosystem Services. Rosier, C. L., A. Aufdenkampe, J. Kan, D. Levia, and J. Van Stan (2012): White Clay Wild and Scenic Watershed Summit, Stroud Water Research Center, Avondale, Pennsylvania, Sep. 25

2012

Shallow stratigraphic controls on surface water-groundwater mixing and geochemical fate in the benthic zone of an estuary. Sawyer A.H., Lazareva, O., Crespo, K., and Michael, H. (2012): GSA Annual Meeting, Charlotte, North Carolina, Nov. 4-7

2012

The role of metal redox coupling processes in carbon cycling and stabilization. Sparks, D.L., Chen, C., Lazareva, O., LeMonte, J., Wang, J., Regier, T., and Dynes, J.J. (2012): Goldschmidt Conference, Montreal, Canada, June 24-29.

2011

An integrated monitoring network for hydrologic, geochemical, and sediment fluxes to characterize carbon-mineral fate in the Christina River Basin Critical Zone Observatory. A.H. Sawyer, Karwan, D. L., Lazareva, O. (2011): AGU Fall Meeting, San Francisco, California, Dec. 5-9.

2011

Distribution and Speciation of Soil Organic Carbon along Hillslope Transects: Importance of Fe-redox Cycling . Chen, C. Leinweber, P., Aufdenkampe, A.K. and Sparks, D.L.. (2011): CZO National Meeting, Tuscon, Arizona, May 8-12

2011

Soil Organic Matter-Mineral Interactions Along Hillslope Transects: Importance of Iron-Redox Coupling Processes. Chen, C., Leinweber, P., Aufdenkampe, A., Wang, J., Dynes, J. J., and Sparks, D.L. (2011): ASA-CSSA-SSSA 2011 International Annual Meetings, "Fundamental for Life: Soil, Crop, & Environmental Sciences," San Antonio, TX, Oct. 16-19.

2011

Within-storm and Seasonal Differences in Particulate Organic Material Composition and Sources in White Clay Creek, USA. D.L. Karwan, A.K. Aufdenkampe, R. Aalto, J.D. Newbold, J.E. Pizzuto (2011): American Geophysical Union Annual Fall Meeting, December 4-10, 2011

2011

Characterization & Source Determination of Stream Suspended Particulate Material in White Clay Creek. D.L. Karwan, R. Aalto, A.K. Aufdenkampe, J.D. Newbold, J.E. Pizzuto (2011): National Critical Zone Observatory Program Meeting, May 8-13, 2011

2011

Characterization & Source Determination of Stream Suspended Particulate Material in White Clay Creek. D.L. Karwan, R. Aalto, A.K. Aufdenkampe, J.D. Newbold, J.E. Pizzuto (2011): Geochemistry of the Earth Surface 9, June 2-6, 2011

2011

Sensor Networks, Dataloggers, and Other Handy Gadgets Using Open-Source Electronics for the Christina River Basin CZO. Hicks, S., Aufdenkampe, A, and Montgomery, D. (2011): American Geophysical Union Annual Fall Meeting, December 4-10, 2011

2011

A wireless environmental sensor network using open-source electronics for the Christina River Basin CZO. Hicks, S., Aufdenkampe, A., Lazareva, O., Karwan, D. Montgomery, D. (2011): Joint USGS- CUAHSI Workshop on Optical Water Quality Sensor Networks, Shepherdstown, West Virginia, June

2011

A wireless environmental sensor network based on open-source electronics for the Christina River Basin CZO. Hicks, S., Aufdenkampe, A., Lazareva, O., Montgomery, D., Kaplan, L., Newbold, D., Levia, D., Sparks, D.L. (2011): CZO National Meeting, Tucson, Arizona

2011

A 13C DOC tracer approach to estimate the contribution of semi- labile dissolved organic carbon to stream ecosystem metabolism. Kaplan, L.A., J. D. Newbold and A. K. Aufdenkampe. (2011): Goldschmidt 2011 conference, Prague, Czech Republic, August 14-19. p. 1147

2011

Role of Fe- and Mn- Redox Coupling on the Carbon Cycle in a Mixed Land Use Watershed. Lazareva, O., D.L. Sparks, A.. Aufdenkamp, K. Yoo, S. Hicks and J. Kan. (2011): CZO National Meeting, Tuscon, Arizona, May 8-12

2011

Role of Fe- and Mn- redox coupling on the carbon cycle in a mixed land use watershed: Christina River Basin Critical Zone Observatory. Lazareva, O., D.L. Sparks, A.. Aufdenkampe, K. Yoo, S. Hicks and J. Kan. (2011): Goldschmidt 2011 conference, Prague, Czech Republic, August 14-19. p. 1279.

2011

Geologic and hydrologic control of porewater chemistry and submarine groundwater discharge into Indian River Bay, Delaware. Michael, H.A., C. Fernandez, C.J. Russoniello, A.S. Andres, K.D. Kroeger, D.E. Krantz, J.F. Banaszak, A. Musetto, K. Myers, L.F. Konikow and J.F. Bratton. (2011): Goldschmidt 2011 conference, Prague, Czech Republic, August 14-19. p. 1462

2011

Christina River Basin Critical Zone Observatory (CRB-CZO): Wireless environmental sensor network. Sparks, D.L., Aufdenkampe, A., Lazareva, O., Hicks, S., Montgomery, D., Arscott, D., Kaplan, L., Newbold, D., Levia, D. (2011): University of Delaware on the Hill. Capitol Hill, Washington, DC, March.

2011

Christina River Basin Critical Zone Observatory (CRB-CZO): Wireless environmental sensor network. Sparks, D.L., Aufdenkampe, A., Lazareva, O., Hicks, S., Montgomery, D., Arscott, D., Kaplan, L., Newbold, D., Levia, D. (2011): EPSCoR Annual Meeting, Dover, Delaware, April.

2011

Reducing error associated with compression derived measurements of whole-tree rainfall interception within the Christina River Basin Critical Zone Observatory. Van Stan, J.T., Levia, D.F., Jarvis, M.T. and Friesen, J. (2011): 3rd Annual National CZO PI meeting, Boulder, CO, September 13-15

2011

Christina River Basin Critical Zone Observatory: Carbon-mineral interactions from molecular to basin scales in the Anthropocene. Yoo, K., Aufdenkampe, A., Chen, C. and Sparks, D.L.. (2011): Invited Talk, Goldschmidt 2011 conference, Prague, Czech Republic, August 14-19. p. 1224.

2010

Storm-event Patterns and Sources of Dissolved Organic Matter (DOM) for Stream Runoff in a Forested, Mid-Atlantic Watershed . Inamdar, S.P., S. Singh, N. Finger, M. J. Mitchell. (2010): Abstract B13D-0499. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Atmospheric Deposition and Corresponding Variability of Throughfall and Stemflow Chemistry Across Temporal Scales in a Mid-Atlantic Broadleaved Deciduous Forest . Levia, D.F., J.T. Van Stan, C.M. Siegert, S.P. Inamdar, M.J. Mitchell, S.M. Mage, P. McHale. (2010): Abstract H53F-1106. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Spatially and Temporally Distributed Re-evaluation of Global CO2 Outgassing from Inland Waters: The Tropics Dominate Global Fluxes Abstract B24A-02 . Aufdenkampe, A. K., Mayorga, E., Alin, S R, Raymond, P, Melack, J M, Doney, S C. (2010): Abstract B24A-02. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Christina River Basin CZO: a whole watershed approach to quantifying human modification of critical zone carbon sequestration. Aufdenkampe, A.K., D.L. Sparks (2010): Invited Talk at the University of Delaware's Academy of Lifelong Learning, June 15, Wilmington, DE

2010

Christina River Basin CZO: Spatial and temporal integration of carbon and mineral fluxes: a whole watershed approach to quantifying anthropogenic modification of critical zone carbon sequestration. Aufdenkampe, A.K., D.L. Sparks, L.A. Kaplan, J.E. Pizzuto, K. Yoo (2010): Invited Talk at the quarterly meeting of the Christina River Basin Task Force, Dec. 3, Newark, DE

2010

Advances in Understanding Watershed Processes with Real-time in-Situ Sensor Networks for Surface and Ground Water Properties. Aufdenkampe, A.K., J.D. Newbold, D. Arscott, L.A. Kaplan, M.S. Johnson (2010): Invited Talk at the Pennsylvania Water Symposium, May 6, State College, PA

2010

Distribution, Speciation, and Elemental Associations of Soil Organic Carbon under Varying Landscape Topographic Positions at the Molecular Scale. Chen, C., Aufdenkampe, A.K., Yoo K., and Sparks D.L. (2010): 3rd Annual National CZO PI meeting, Boulder, CO, September 13-15.

2010

Communicating the Cutting Edge: Innovations in Watershed Education . Gill, S.E. (2010): 3rd Annual National CZO PI meeting, Boulder, CO, September 13-15.

2010

Biomineralization by a Newly-Isolated Stalk-Forming Fe-oxidizing Bacterium: Towards Interpretation of Putative Fe Microfossils Abstract B51G-0437. Krepski, S.T., C.S. Chan. (2010): AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

The Delivery Of Dissolved Organic Carbon From Forest Soils To A Head Water Stream . Mei, V., G.M. Hornberger, L. Kaplan, J. D. Newbold, A. K. Aufdenkampe. (2010): Abstract H53B-1031. AGU Fall Meeting, San Francisco, CA, December 13-17

2010

Microclimatological and Physiological Controls of Stomatal Conductance and Transpiration of Co-Occurring Seedlings with Varying Shade Tolerance . Siegert, C.M., D.F. Levia. (2010): Abstract H33B-1132. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Quality of Dissolved Organic Matter (DOM) in Watershed Compartments for a Forested Mid-Atlantic Watershed. Singh, S., S.P. Inamdar, N. Finger, M.J. Mitchell, D.F. Levia, D. Scott, H. Bais. (2010): Abstract B13D-0508. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

The Pathways and Processes Utilized to Develop the Critical Zone Observatories. Sparks, D.L. (2010): Invited Tallk, ASA-CSSA-SSSA 2010 International Annual Meetings, "Green Revolution 2.0: Food + Energy and Environmental Security," Long Beach, CA, Oct. 31 - Nov. 3

2010

Christina River Basin Critical Zone Observatory: Preliminary Results from the Vegetation Survey for Validation of Airborne LiDAR Imagery. Van Stan, J., S. Stotts, D. Levia, J. Pizzuto, D. Sparks (2010): 3rd Annual National CZO PI meeting, Boulder, CO, September 13-15

2010

Temporal Variability of Stemflow Dissolved Organic Carbon (DOC) Concentrations and Quality from Morphologically Contrasting Deciduous Canopies . Van Stan, J.T., D.F. Levia, S.P. Inamdar, M.J. Mitchell, S.M. Mage. (2010): Abstract B13D-0516. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Integrating Geochemical and Morphologic Evolution of Soil-Covered Hillslopes in a Transient Tributary Basin . Weinman, B.A., K. Yoo, S.M. Mudd, M.D. Hurst, K. Maher, K. Mayer, C. Andersen. (2010): Abstract EP23C-04. AGU Fall Meeting, San Francisco, CA, December 13-17

2010

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

2010

Soils Move, and That Matters for Biogeochemistry: Weathering and the Carbon Cycle from a Geomorphic Perspective . Yoo, K., A. (2010): Invited Talk, Pennsylvania State University, Department of Civil and Environmental Engineering, April 23.

2010

Where Minerals Meet Carbon: An Inevitable Geomorphic Control of Carbon Cycle in the Anthropocene. Yoo, K., A. (2010): Invited Talk, University of Calgary, Canada, Biogeoscience Institute, March 10.

2010

Extending the Interdisciplinary Interfaces of Geomorphology by Changing the Units of Key Variables: From Volumes to Masses to Areas . Yoo, K., A.K. Aufdenkampe, B.A. Weinman, S.M. Mudd, C. Chen. (2010): Abstract EP43A-0749. AGU Fall Meeting, San Francisco, CA, December 13-17.

2010

Case Study: The Role of Pedology In Christina River Basin CZO. Yoo, K., Aufdenkampe, A., and. Sparks, D.L. (2010): Invited Talk, ASA-CSSA-SSSA 2010 International Annual Meetings, "Green Revolution 2.0: Food + Energy and Environmental Security," Long Beach, CA, Oct. 31 - Nov. 3.