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Louis Kaplan, Ph.D.

500 500 Stroud Water Research Center

Research Scientist Emeritus

  • 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

Photodegradation disproportionately impacts biodegradation of semi‐labile DOM in streams

Bowen, J.C., L.A. Kaplan, and R.M. Cory. 2019. Limnology and Oceanography 65(1): 13–26.

Dissolved organic carbon concentrations in White Clay Creek, Pennsylvania, 1977-2017

Kaplan, L.A. 2019. Environmental Data Initiative.

Stable isotope and conservative tracer data used to estimate uptake of stream water dissolved organic carbon (DOC) through a whole-stream addition of a 13C-DOC tracer coupled with laboratory measurements of bioavailability of the tracer and stream water DOC using lability profiling with bioreactors

Kaplan, L.A., J.D. Newbold, T.N. Wiegner, and M.H. Ostrom. 2019. Environmental Data Initiative.

Impacts of hydrous manganese oxide on the retention and lability of dissolved organic matter

Stuckey, J.W., C. Goodwin, J. Wang, L.A. Kaplan, P. Vidal-Esquivel, T.P. Beebe Jr., and D.L. Sparks. 2018. Geochemical Transactions 19:6.

Variation of organic matter quantity and quality in streams at Critical Zone Observatory watersheds

Miller, M.P., E.W. Boyer, D.M. McKnight, M.G. Brown, R.S. Gabor, C.T. Hunsaker, L. Iavorivska, S. Inamdar, D.W. Johnson, L.A. Kaplan, H. Lin, W.H. McDowell, and J.N. Perdrial. 2016. Water Resources Research 52(10):8202–8216.

See all publications by Stroud Center authors

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Evaluating Potential Impacts on Groundwater of Passive Composting of Spent Mushroom Substrate According to Best Practices Guidelines

By installing monitoring wells for groundwater, soil-water samplers, and probes to measure the conductivity in soil and groundwater, researchers are testing whether Pennsylvania Department of Environmental Protection guidelines for passive

Transforming Water Quality in the White Clay Creek Headwaters of Christina River Basin

This Watershed Renaissance Initiative grant will enable Stroud Water Research Center to implement extensive watershed restoration projects designed to capture and control excess water and sediment production from agricultural hillslopes.

Your Livable Landscape: Cultivating an Ecosystem Esthetic

An educational project showing how a shift to an ecosystem esthetic can reduce the carbon footprint of a landowner's landscape while its maintaining beauty.

The Peru Project

Stroud Water Research Center applied its decades of experience to an integrated research and education project in headwaters of the Amazon.

Long-Term Research in Environmental Biology: Costa Rica

A study of small to intermediate size streams in the Área de Conservación Guanacaste in Costa Rica, with the backdrop of a natural and successional mosaic.

Long-Term Research in Environmental Biology: White Clay Creek, Pennsylvania

A study of a third order drainage basin in Pennsylvania, examining stream and watershed characteristics associated with riparian zone restoration and reforestation.
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