2026 Louis A. Kaplan: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	54	3993	3818	1524	1406	96	12840

Louis A. Kaplan publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Louis A. Kaplan sits on this spectrum.

41 publications 687+

This scientist: 96 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Louis A. Kaplan D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Louis A. Kaplan sits on this spectrum.

30 D-Index 125+

This scientist: 54 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Louis A. Kaplan is a researcher affiliated with Drexel University in the United States. Their work primarily involves Environmental Science, with focused contributions in subfields such as Ecology, Oceanography, Water Science and Technology, Molecular Biology, and Environmental Chemistry.

The main topics addressed in Kaplan's research include:

Microbial Community Ecology and Physiology
Environmental DNA in Biodiversity Studies
Marine and Coastal Ecosystems
Hydrology and Watershed Management Studies
Genomics and Phylogenetic Studies
Freshwater Macroinvertebrate Diversity and Ecology
Soil and Water Nutrient Dynamics

Kaplan has contributed to several scientific publications, appearing in a range of notable journals. Frequent publication venues include:

Water Resources Research
Microbiology Spectrum
Environmental Microbiology
World Journal of Microbiology and Biotechnology
bioRxiv (Cold Spring Harbor Laboratory)

Selected recent papers by Kaplan are:

Effect of Decreasing Biological Lability on Dissolved Organic Matter Dynamics in Streams (2020, Water Resources Research)
Spatial Variability in Streambed Microbial Community Structure across Two Watersheds (2021, Microbiology Spectrum)
Spatial Variability in Streambed Microbial Community Structure Across Two Watersheds (2021, bioRxiv (Cold Spring Harbor Laboratory))
Elucidating Stream Bacteria Utilizing Terrestrial Dissolved Organic Matter (2021, World Journal of Microbiology and Biotechnology)
Spatial Scale Impacts Microbial Community Composition and Distribution Within and Across Stream Ecosystems in North and Central America (2023, Environmental Microbiology)

Kaplan collaborates frequently with several researchers, including:

Philips Akinwole
Jinjun Kan
Robert H. Findlay
Jennifer C. Bowen
Rose M. Cory

Best Publications

The boundless carbon cycle

Tom J. Battin;Tom J. Battin;Sebastiaan Luyssaert;Louis A. Kaplan;Anthony K. Aufdenkampe

1818
Citations
Biophysical controls on organic carbon fluxes in fluvial networks

Tom J. Battin;Louis A. Kaplan;Stuart Findlay;Charles S. Hopkinson

1557
Citations
Riparian deforestation, stream narrowing, and loss of stream ecosystem services

Bernard W. Sweeney;Thomas L. Bott;John K. Jackson;Louis A. Kaplan

847
Citations
Contributions of microbial biofilms to ecosystem processes in stream mesocosms

Tom J. Battin;Louis A. Kaplan;J. Denis Newbold;Claude M. E. Hansen

844
Citations
Chemical composition of biodegradable dissolved organic matter in streamwater

Christian J. Volk;Catherine B. Volk;Louis A. Kaplan

395
Citations
Effects of Current Velocity on the Nascent Architecture of Stream Microbial Biofilms

Tom J. Battin;Louis A. Kaplan;J. Denis Newbold;Xianhao Cheng

360
Citations
The role of micro‐organisms in the ecological connectivity of running waters

Martin Pusch;Douglas Fiebig;Ingrid Brettar;Heinrich Eisenmann

314
Citations
Development of a Rapid Assimilable Organic Carbon Method for Water

Mark W. LeChevallier;Nancy E. Shaw;Louis A. Kaplan;Thomas L. Bott

278
Citations
Biodegradable dissolved organic matter in a temperate and a tropical stream determined from ultra-high resolution mass spectrometry

Sunghwan Kim;Louis A. Kaplan;Patrick G. Hatcher

260
Citations
Biological lability of streamwater fluorescent dissolved organic matter

Rose M. Cory;Louis A. Kaplan

258
Citations
Diel fluctuations of DOC generated by algae in a piedmont stream1

Louis A. Kaplan;Thomas L. Bott

247
Citations
Recurring Seasonal Dynamics of Microbial Communities in Stream Habitats

Meredith A. J. Hullar;Meredith A. J. Hullar;Louis A. Kaplan;David A. Stahl

227
Citations
Hydrogen Deficient Molecules in Natural Riverine Water Samples - Evidence for the Existence of Black Carbon in DOM

Sunghwan Kim;Louis A. Kaplan;Ronald Benner;Patrick G. Hatcher

226
Citations
Diel fluctuations in bacterial activity on streambed substrata during vernal algal blooms: Effects of temperature, water chemistry, and habitat

Louis A. Kaplan;Thomas L. Bott

221
Citations
Bacterial biomass, metabolic state, and activity in stream sediments: relation to environmental variables and multiple assay comparisons.

T. L. Bott;L. A. Kaplan

210
Citations
Molecular tracers of organic matter sources to surface water resources

Laurel J. Standley;Louis A. Kaplan;Darrell Smith

200
Citations
Monitoring dissolved organic carbon in surface and drinking waters.

Unknown

165
Citations
Microbial heterotrophic utilization of dissolved organic matter in a piedmont stream

Louisa. Kaplan;Thomas L. Bott

152
Citations
MEASUREMENT OF STREAMWATER BIODEGRADABLE DISSOLVED ORGANIC CARBON WITH A PLUG-FLOW BIOREACTOR

Louis A. Kaplan;Louis A. Kaplan;J.Denis Newbold

146
Citations
A mixing model analysis of stream solute dynamics and the contribution of a hyporheic zone to ecosystem function

Tom J. Battin;Louis A. Kaplan;J. Denis Newbold;Susan P. Hendricks

142
Citations
Benthic bacterial biomass supported by streamwater dissolved organic matter

Thomas L. Bott;Louis A. Kaplan;Frank T. Kuserk

135
Citations

Frequent Co-Authors

J. Denis Newbold Stroud Water Research Center

Tom J. Battin École Polytechnique Fédérale de Lausanne

Rose M. Cory University of Michigan–Ann Arbor

Aaron I. Packman Northwestern University

Bernard W. Sweeney Stroud Water Research Center

Patrick G. Hatcher Old Dominion University

Peggy H. Ostrom Michigan State University

Charles S. Hopkinson University of Georgia

Stuart E. G. Findlay Cary Institute of Ecosystem Studies

George M. Hornberger Vanderbilt University

External Links

Personal website of Louis A. Kaplan

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