2026 James W. McClelland: 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	66	2056	1962	836	772	158	20287

James W. McClelland 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 James W. McClelland sits on this spectrum.

41 publications 690+

This scientist: 158 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

James W. McClelland 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 James W. McClelland sits on this spectrum.

30 D-Index 126+

This scientist: 66 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

James W. McClelland is affiliated with The University of Texas at Austin in the United States. Their research primarily focuses on Earth and Planetary Sciences with significant contributions in Environmental Science.

The scientist's work spans several notable subfields including Atmospheric Science, Environmental Chemistry, Oceanography, Ecology, and Geochemistry and Petrology. Their research addresses a range of main topics such as Climate change and permafrost, Arctic and Antarctic ice dynamics, Methane Hydrates and Related Phenomena, Marine and coastal ecosystems, Cryospheric studies and observations, Groundwater and Isotope Geochemistry, and Atmospheric and Environmental Gas Dynamics.

James W. McClelland has published extensively in prominent venues. Frequent publication outlets for their work include:

Trends in Cognitive Sciences
Global Biogeochemical Cycles
Bulletin of the American Meteorological Society
Journal of Geophysical Research Biogeosciences
Proceedings of the National Academy of Sciences

They have collaborated frequently with several researchers, including:

Robert G. M. Spencer
Suzanne E. Tank
Craig T. Connolly
R. M. Holmes
Anya Suslova

Among recent publications authored or co-authored by James W. McClelland are:

Groundwater as a major source of dissolved organic matter to Arctic coastal waters, 2020, Nature Communications
Landscape matters: Predicting the biogeochemical effects of permafrost thaw on aquatic networks with a state factor approach, 2020, Permafrost and Periglacial Processes
Pan-Arctic Riverine Dissolved Organic Matter: Synchronous Molecular Stability, Shifting Sources and Subsidies, 2021, Global Biogeochemical Cycles
Mercury Export from Arctic Great Rivers, 2020, Environmental Science & Technology
Recent trends in the chemistry of major northern rivers signal widespread Arctic change, 2023, Nature Geoscience

Best Publications

Increasing river discharge to the Arctic Ocean

Bruce J Peterson;Robert M Holmes;James W McClelland;Charles J Vörösmarty

1853
Citations
Macroalgal blooms in shallow estuaries: Controls and ecophysiological and ecosystem consequences

Ivan Valiela;James McClelland;Jennifer Hauxwell;Peter J. Behr

1668
Citations
Impacts of permafrost degradation on arctic river biogeochemistry.

Karen E. Frey;James W. McClelland

822
Citations
Nitrogen-stable isotope signatures in estuarine food webs : A record of increasing urbanization in coastal watersheds

James W. McClelland;Ivan Valiela;Robert H. Michener

800
Citations
Seasonal and Annual Fluxes of Nutrients and Organic Matter from Large Rivers to the Arctic Ocean and Surrounding Seas

Robert Max Holmes;James W. McClelland;Bruce J. Peterson;Suzanne E. Tank

775
Citations
TROPHIC RELATIONSHIPS AND THE NITROGEN ISOTOPIC COMPOSITION OF AMINO ACIDS IN PLANKTON

James W. McClelland;Joseph P. Montoya

704
Citations
Linking nitrogen in estuarine producers to land-derived sources

James W. McClelland;Ivan Valiela

666
Citations
Flux and age of dissolved organic carbon exported to the Arctic Ocean: A carbon isotopic study of the five largest arctic rivers

Peter A. Raymond;James W McClelland;R. M. Holmes;A. V. Zhulidov

575
Citations
Measuring 15N-NH4/+ in marine, estuarine and fresh waters: An adaptation of the ammonia diffusion method for samples with low ammonium concentrations

R. M. Holmes;James W McClelland;D. M. Sigman;B. Fry

455
Citations
A pan‐arctic evaluation of changes in river discharge during the latter half of the 20th century

James W. McClelland;Stephen J. Déry;Bruce J. Peterson;Robert M. Holmes

434
Citations
Trajectory shifts in the Arctic and subarctic freshwater cycle.

Bruce J. Peterson;James W. McClelland;Ruth G. Curry;Robert M. Holmes

421
Citations
Lability of DOC transported by Alaskan rivers to the Arctic Ocean

Robert M. Holmes;James W. McClelland;Peter A. Raymond;Breton B. Frazer

417
Citations
Increasing river discharge in the Eurasian Arctic: Consideration of dams, permafrost thaw, and fires as potential agents of change

James W. McClelland;Robert M. Holmes;Bruce J. Peterson;Marc Stieglitz

382
Citations
State of the Climate in 2014

Arlene P. Aaron-Morrison;Steven A. Ackerman;Nicolaus G. Adams;Robert F. Adler

332
Citations
Changes in food web structure under the influence of increased anthropogenic nitrogen inputs to estuaries

James W. McClelland;I. Valiela

327
Citations
The Arctic freshwater system: Changes and impacts

Daniel White;Larry Hinzman;Lilian Alessa;John Cassano

324
Citations
Dissolved organic matter sources in large Arctic rivers

R. M. W. Amon;A. J. Rinehart;S. Duan;P. Louchouarn

323
Citations
Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment

Benjamin W. Abbott;Jeremy B. Jones;Edward A. G. Schuur;F. Stuart Chapin

304
Citations
The Arctic Ocean Estuary

James W McClelland;R. M. Holmes;Kenneth H Dunton;R. W. Macdonald

292
Citations
Flow-weighted values of runoff tracers (δ18O, DOC, Ba, alkalinity) from the six largest Arctic rivers

Lee W. Cooper;James W. McClelland;Robert M. Holmes;Peter A. Raymond

287
Citations

Frequent Co-Authors

Bruce J. Peterson Marine Biological Laboratory

Robert M. Holmes Woods Hole Research Center

Suzanne E. Tank University of Alberta

Peter A. Raymond Yale University

Robert G. M. Spencer Florida State University

Ivan Valiela Marine Biological Laboratory

Andrew D. Jacobson Northwestern University

Thomas A. Douglas Cold Regions Research and Engineering Laboratory

Alexander I. Shiklomanov University of New Hampshire

Robert G. Striegl United States Geological Survey

External Links

Personal website of James W. McClelland

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