2026 Carl J. Watras: 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	36	9066	8695	3252	3020	71	7148

Overview

Carl J. Watras is affiliated with the University of Wisconsin-Madison in the United States. Their research primarily focuses on environmental science, with specific studies in ecology, health, toxicology, mutagenesis, global and planetary change, water science and technology, and pollution.

The main topics addressed in their work include:

Flood risk assessment and management
Hydrology and watershed management studies
Mercury impact and mitigation studies
Toxic organic pollutants impact
Heavy metals in the environment
Hydrology and sediment transport processes
Hydrological forecasting using AI

Their recent publications are as follows:

"Near-Decadal Oscillation of Water Levels and Mercury Bioaccumulation in the Laurentian Great Lakes Region," 2020, Environmental Science & Technology Letters
"Extreme water level rise across the upper Laurentian Great Lakes region: Citizen science documentation 2010-2020," 2022, Journal of Great Lakes Research
"Monitoring the water balance of seepage lakes to track regional responses to an evolving climate," 2021, Canadian Journal of Fisheries and Aquatic Sciences
"Ecohydrology of two northern Wisconsin bogs," 2023, Ecohydrology

Frequent co-authors associated with their work include Hao Teng, J.L. Rubsam, Alexander W. Latzka, Michael W. Meyer, and Z. Zhang.

Publication venues where their work frequently appears include:

Environmental Science & Technology Letters
Journal of Great Lakes Research
Canadian Journal of Fisheries and Aquatic Sciences
Ecohydrology

Best Publications

Bioaccumulation of mercury in pelagic freshwater food webs

C.J. Watras;R.C. Back;R.C. Back;S. Halvorsen;R.J.M. Hudson

823
Citations
Atmospheric mercury cycles in northern Wisconsin

C.J. Watras;C.J. Watras;K.A. Morrison;K.A. Morrison;J.L. Rubsam;B. Rodger

757
Citations
Mercury pollution : integration and synthesis

Carl J. Watras;John W. Huckabee

506
Citations
Mercury and methylmercury, in individual zooplankton: Implications for bioaccumulation

Carl J. Watras;Nicolas S. Bloom

466
Citations
Importance of life cycle events in the population dynamics of Gonyaulax tamarensis

D. M. Anderson;S. W. Chisholm;C. J. Watras

301
Citations
Concentration of mercury species in relationship to other site-specific factors in the surface waters of northern Wisconsin lakes

Carl J. Watras;Kenneth A. Morrison;Jodi S. Host;Nicolas S. Bloom

293
Citations
Microbial Mercury Methylation in Aquatic Environments: A Critical Review of Published Field and Laboratory Studies.

Olof Regnell;Carl J Watras;Carl J Watras

204
Citations
Sources and fates of mercury and methylmercury in Wisconsin lakes

C.J. Watras;N.S. Bloom;R.J.M. Hudson;S. Gherini

174
Citations
Methylmercury production in the anoxic hypolimnion of a Dimictic Seepage Lake

C. J. Watras;N. S. Bloom;S. A. Claas;K. A. Morrison

167
Citations
Observations of methylmercury in precipitation

N.S. Bloom;C.J. Watras

162
Citations
Mercury in surficial waters of rural Wisconsin lakes

William F. Fitzgerald;Carl J. Watras

156
Citations
Impact of acidification on the methylmercury cycle of remote seepage lakes

Nicolas S Bloom;Carl J. Watras;James P. Hurley

155
Citations
Mercury methylation in macrophytes, periphyton, and water – comparative studies with stable and radio-mercury additions

J. B. N. Mauro;J. R. D. Guimaraes;H. Hintelmann;C. J. Watras

155
Citations
The effect of zooplankton grazing on estuarine blooms of the toxic dinoflagellate Gonyaulax tamarensis

Carl J. Watras;Veronique C. Garcon;Robert J. Olson;Sallie W. Chisholm

150
Citations
A temperature compensation method for CDOM fluorescence sensors in freshwater

C.J. Watras;C.J. Watras;P.C. Hanson;T.L. Stacy;K.M. Morrison;K.M. Morrison

147
Citations
Comparisons between experimentally- and atmospherically-acidified lakes during stress and recovery

D. W. Schindler;T. M. Frost;K. H. Mills;P. S. S. Chang

140
Citations
Partitioning and bioavailability of mercury in an experimentally acidified wisconsin lake

James G. Wiener;William F. Fitzgerald;Carl J. Watras;Ronald G. Rada

136
Citations
Mercury methylation in the hypolimnetic waters of lakes with and without connection to wetlands in northern Wisconsin

CS Eckley;CS Eckley;CJ Watras;H Hintelmann;K Morrison

134
Citations
Recent declines in mercury concentration in a freshwater fishery: isolating the effects of de-acidification and decreased atmospheric mercury deposition in Little Rock Lake

T.R Hrabik;C.J Watras

127
Citations
Regulation of growth in an estuarine clone of Gonyaulax tam arensis Lebour: Salinity-dependent temperature responses

Carl J. Watras;Sallie W. Chisholm;Donald M. Anderson

114
Citations

Frequent Co-Authors

Timothy K. Kratz University of Wisconsin–Madison

Thomas M. Frost University of Wisconsin–Madison

Paul C. Hanson University of Wisconsin–Madison

Sallie W. Chisholm MIT

Jordan S. Read United States Geological Survey

Patrick L. Brezonik University of Minnesota

James G. Wiener University of Wisconsin–La Crosse

Holger Hintelmann Trent University

Donald M. Anderson Woods Hole Oceanographic Institution

William F. Fitzgerald University of Connecticut

External Links

Personal website of Carl J. Watras

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