Former Post-Doctoral Researcher, University of Delaware
Univ. Delaware - University of Delaware
Former Post-Doctoral Researcher, Stroud Water Research Center
Stroud Water Res. Ctr. - Stroud Water Research Center
Ph.D., Forestry & Environmental Studies, Yale University, 2010
I am interested in stream hydrology and biogeochemistry. More specifically, I study the cycling of suspended particles and dissolved matter in streams for which I use a series of hydrologic tracers and sediment fingerprinting techniques.
CZO Research Groups
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
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
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
2015 (In Review)
Beryllium-7 wet deposition variation with storm height, synoptic classification, and tree canopy state in the mid-Atlantic USA. Karwan, D.L, C.M. Siegert, D.F. Levia, J.E. Pizzuto, A.K Aufdenkampe (2015): Hydrological Processes
Characterization and Source Determination of Stream Suspended Particulate Material in White Clay Creek, USA. Karwan, D.L., R. Aalto, A.K. Aufdenkampe, J.D. Newbold, J.E. Pizzuto (2011): Applied Geochemistry 26:5354-5356
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
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
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
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
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.
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
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
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
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.
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
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
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
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
09 Oct 2015 - About 60 Chinese and American critical zone scientists met in Guiyang, China for two days of discussions and presentations on the significance of...
11 Jan 2013 - Karwan awarded an NSF EAR Postdoctoral Fellowship to work with Susquehanna Shale Hills and Christina River Basin Critical Zone Observatories
05 Oct 2012 - Faculty and students from the University of Delaware presented research on watershed issues at a recent symposium that brought together a variety of...
15 Mar 2012 - 2011 witnessed the most extensive use of post-doctoral researchers in Stroud Water Research Center’s 45-year history, with four newly minted Ph.D.s
16 Dec 2011 - The call for cross-CZO / cross-disciplinary research proposals was successfully answered by Dr. Diana Karwan, Post-Doctoral Fellow
29 Aug 2011 - While Hurricane Irene had officials along the East Coast preparing for mass evacuations, scientists at the Stroud Water Research Center and the...