2026 Raymond S. Bradley: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	91	239	202	128	107	388	48623

Research.com Recognitions

2019 - Fellow of the Royal Society of Canada Academy of Science
2016 - Member of Academia Europaea
2009 - Fellow of the American Association for the Advancement of Science (AAAS)
2005 - Fellow of American Geophysical Union (AGU)

Overview

Raymond S. Bradley is affiliated with the University of Massachusetts Amherst in the United States. Their research primarily focuses on Earth and Planetary Sciences, with a particular emphasis on Atmospheric Science, Ecology, Paleontology, Oceanography, and Environmental Chemistry.

Their work covers several main research topics, including:

Geology and Paleoclimatology Research
Methane Hydrates and Related Phenomena
Climate Change and Permafrost
Archaeology and Ancient Environmental Studies
Isotope Analysis in Ecology
Marine and Environmental Studies
Cryospheric Studies and Observations

Frequent co-authors in their published work include:

Boyang Zhao
Isla S. Castañeda
Tobias Schneider
W. J. D'Andrea
François Lapointe

Their research has appeared in a variety of scientific venues, with repeated publications in:

Abstracts with programs - Geological Society of America
Proceedings of the National Academy of Sciences
Communications Earth & Environment
Science Advances
Organic Geochemistry

Best Publications

Tree Rings and Climate

Raymond S. Bradley;H. C. Fritts

4785
Citations
Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly

Michael E. Mann;Zhihua Zhang;Scott Rutherford;Raymond S. Bradley

2854
Citations
Global-scale temperature patterns and climate forcing over the past six centuries

Michael E. Mann;Raymond S. Bradley;Malcolm K. Hughes

2833
Citations
Elevation-dependent warming in mountain regions of the world

N. Pepin;R. S. Bradley;H. F. Diaz;M. Baraer

2813
Citations
Northern Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties, and Limitations

Michael E. Mann;Raymond S. Bradley;Malcolm K. Hughes

2690
Citations
Paleoclimatology: Reconstructing Climates of the Quaternary

Raymond S. Bradley

1696
Citations
Reconstruction of solar irradiance since 1610: Implications for climate change

Judith Lean;Juerg Beer;Raymond S. Bradley

1513
Citations
Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia

Michael E. Mann;Zhihua Zhang;Malcolm K. Hughes;Raymond S. Bradley

1480
Citations
Arctic Environmental Change of the Last Four Centuries

J. Overpeck;K. Hughen;D. Hardy;R. Bradley

1417
Citations
Threats to Water Supplies in the Tropical Andes

Raymond S. Bradley;Mathias Vuille;Henry F. Diaz;Walter Vergara

1014
Citations
'Little Ice Age' summer temperature variations: their nature and relevance to recent global warming trends:

Raymond S. Bradley;Philip D. Jonest

969
Citations
Climatic Change at High Elevation Sites: An Overview

M. Beniston;H. F. Diaz;R. S. Bradley

950
Citations
Climate change and tropical Andean glaciers: Past, present and future

Mathias Vuille;Mathias Vuille;Bernard Francou;Patrick Wagnon;Irmgard Juen

896
Citations
Recent Warming Reverses Long-Term Arctic Cooling

Darrell S. Kaufman;David P. Schneider;Nicholas P. McKay;Caspar M. Ammann

858
Citations
What Drives Societal Collapse

Harvey Weiss;Raymond S. Bradley

777
Citations
Toward mountains without permanent snow and ice

Matthias Huss;Matthias Huss;B Bookhagen;Christian Huggel;Dean Jacobsen

585
Citations
Climate in Medieval Time

Raymond S. Bradley;Malcolm K. Hughes;Henry F. Diaz

573
Citations
20Th century climate change in the tropical Andes: Observations and model results

Mathias Vuille;Raymond S. Bradley;Martin Werner;Frank Keimig

545
Citations
Precipitation Fluctuations over Northern Hemisphere Land Areas Since the Mid-19th Century.

R. S. Bradley;H. F. Diaz;J. K. Eischeid;P. D. Jones

539
Citations
TEMPERATURE VARIATIONS DURING THE LAST CENTURY AT HIGH ELEVATION SITES

Henry F. Diaz;Raymond S. Bradley

483
Citations
Interannual climate variability in the Central Andes and its relation to tropical Pacific and Atlantic forcing

Mathias Vuille;Raymond S. Bradley;Frank Keimig

451
Citations

Frequent Co-Authors

Pierre Francus Institut National de la Recherche Scientifique

Henry F. Diaz University of Hawaii at Manoa

Jostein Bakke University of Bergen

Mathias Vuille University at Albany, State University of New York

Philip Jones University of East Anglia

Malcolm K. Hughes University of Arizona

Michael E. Mann Pennsylvania State University

Keith R. Briffa University of East Anglia

Mark B. Abbott University of Pittsburgh

Gifford H. Miller University of Colorado Boulder

External Links

Wikipedia of Raymond S. Bradley Personal website of Raymond S. Bradley

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