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Louis Kaplan, Ph.D.

500 500 Stroud Water Research Center

Research Scientist Emeritus

  • Adjunct Professor, Department of Biology, University of Pennsylvania
  • Affiliate Faculty, Delaware Environmental Institute, University of Delaware

Contact

lakaplan@stroudcenter.org
970 Spencer Road, Avondale, PA 19311

Interests and Expertise

Dissolved organic matter biogeochemistry, aquatic microbial ecology, and nutrient cycling.

Google Scholar

Education

  • Ph.D., Biology (Limnology), University of Pennsylvania, Philadelphia, Pennsylvania.
  • M.S., Ecology, University of California, Davis, California.
  • B.A., Environmental Sciences, Franklin and Marshall College, Lancaster, Pennsylvania.

Professional Experience

  • Research Scientist Emeritus, Stroud Water Research Center, 2018–present.
  • Director, Ecosystem Science Cluster, Division of Environmental Science, National Science Foundation, 2015–2018.
  • Senior Research Scientist, Stroud Water Research Center, 1999–2017.
  • Curator, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1996–1999.
  • Assistant Curator, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1988–1992.
  • Research Associate, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1980–1988.
  • Post Graduate Research Scientist III, University of California, Davis, California, 1974–1975.

Publications

Longitudinal shifts in dissolved organic matter chemogeography and chemodiversity within headwater streams: a river continuum reprise

Mosher, J.J., L.A. Kaplan, D.C. Podgorski, A.M. McKenna, and A.G. Marshall. 2015. Biogeochemistry 124(1–3):371–385.

Improved performance of the PacBio SMRT technology for 16S rDNA sequencing

Mosher, J.J., B. Bowman, E.L. Bernberg, O. Shevchenko, J. Kan, J. Korlach, and L.A. Kaplan. 2014. Journal of Microbiological Methods 104:59–60.

Coupled geochemical and biogeochemical characterization of dissolved organic matter from a headwater stream

Sleighter, R.L., R.M. Cory, L.A. Kaplan, H.A.N. Abdulla, and P.G. Hatcher. 2014. Journal of Geophysical Research: Biogeochemistry 119(8):1520–1537.

The delivery of dissolved organic carbon from a forested hillslope to a headwater stream in southeastern Pennsylvania, USA

Mei, Y., G.M. Hornberger, L.A. Kaplan, J.D. Newbold, and A.K. Aufdenkampe. 2014. Water Resources Research 50(7):5774–5796.

Hydrologic dynamics and geochemical responses within a floodplain aquifer and hyporheic zone during Hurricane Sandy

Sawyer, A.H., L.A. Kaplan, O. Lazareva, and H.A. Michael. 2014. Water Resources Journal 50(6):4877–4892.

See all publications by Stroud Center authors

Related News

Former Intern Embarks on Collaborative Research to Make Drinking Water Safer

While an intern at the Stroud Center, Kristen Jellison, Ph.D., got her first taste of investigative scientific research, and she was immediately hooked.

Metaecosystems and the Upstream Legacy: Influence of Dissolved Organic Matter on the Structure and Function of Streambed Bacterial Communities

Investigators explore how the quality of organic molecules changes with distance downstream and how those changes influence the composition of the communities of streambed microbes using that food resource. The

2015 Stroud Center Publications

Stroud Center scientists have authored or co-authored more than two dozen scientific papers this year, exhibiting the range of our science from Yellowstone Lake to Costa Rica and from earthworm

Stroud Center Scientist Takes “Rotator” Post at National Science Foundation

Louis A. Kaplan, Ph.D., accepted a one-year appointment as a visiting scientist at the federal agency that funds innovative scientific research.

Sharing Our Science: Summer 2015

In May, Stroud Water Research Center scientists attended the weeklong annual meeting of the Society for Freshwater Science (SFS) in Milwaukee, Wisconsin.

MRI: Acquisition of a High-Sensitivity Light Stable Isotope Mass Spectrometer for Critical Zone Studies

This grant supports the acquisition of a high-sensitivity stable isotope ratio mass spectrometer (IRMS) at Stroud Water Research Center, which will provide enhanced capabilities and greater sensitivity analyses than currently