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Michael Rawlins

Extension Associate Professor and Associate Director, Climate System Research Center University of Massachusetts Amherst

  • Amherst MA

Michael Rawlins studies Arctic hydrology while serving as a leading regional expert on weather anomalies and the impacts of climate change.

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Expertise

Extreme Weather Events
Climate Change
Arctic Hydrology
Permafrost Thaw
Carbon Cycle‎

Biography

Michael Rawlins studies Arctic hydrology and permafrost thaw while serving as a leading regional expert on Northeast weather anomalies and the localized impacts of climate change.

His core research focuses on the changing Arctic system, utilizing advanced numerical modeling to investigate how a warming climate accelerates the polar water cycle. By scaling hydrological models to capture fine-grained environmental shifts, his work examines how rapidly thawing permafrost in northern Alaska is altering river flows, disrupting indigenous communities, and transforming the Arctic from a historical carbon sink into a net source of greenhouse gas emissions.

Concurrently, he serves as a prominent public voice and media resource on how global climate shifts manifest locally. He is frequently called upon by national and regional news outlets to explain the mechanics behind extreme weather events, changing seasonal patterns, and unprecedented environmental anomalies across the Northeast. From analyzing historic droughts and shifting winter baselines to evaluating urban heat islands and heightened wildfire risks, his public service outreach bridges complex climate data with the immediate, real-world impacts experienced by communities throughout New England.

Social Media

Video

Education

University of New Hampshire

Ph.D.

Earth and Environmental Sciences

University of Delaware

M.S.

Geography/Climatology

University of Delaware

B.S.

Environmental Science

Select Recent Media Coverage

How Permafrost Thaw Triggers Ancient Carbon Release Into Transforming Arctic Rivers

Nature World News  online

2026-04-30

A University of Massachusetts Amherst study spanning 44 years across Alaska's North Slope reveals how permafrost thaw deepens the active soil layer by up to 20 centimeters in places. Groundwater surges into rivers, extending thaw seasons into September and October.

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Permanent Change to Alaska Sparks Alarm

Newsweek  online

2026-04-02

“What makes this question so hard to answer is that direct observations are very sparse in northern Alaska,” said [Michael] Rawlins in a statement. “There are nowhere near enough river sample measurements to quantify inputs to estuaries along the entire Alaskan North Slope.”

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Could the Northeast Burn Again?

Inside Climate News  online

2025-02-18

Michael Rawlins, associate director of the Climate System Research Center, comments about the potential for wildfires in New England. Rawlins says warmer air pulls more moisture from leaf litter, twigs and soil across the forest floor, leaving behind a perfect fuel for fire.

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Select Publications

Hydrological cycle intensification and permafrost thaw drive increased freshwater and organic carbon inputs to northern Alaska estuaries

Global Biogeochemical Cycles

Rawlins, M. A., Connolly, C. T., & McClelland, J. W.

2026-04-01

Understanding how hydrological inflows and climate change influence individual estuaries across northern Alaska is limited by a paucity of measured data, necessitating the application of suitably scaled numerical process models. This study uses an updated model to quantify freshwater discharge and dissolved organic carbon (DOC) export from the North Slope of Alaska (NSA) to coastal waters of the Beaufort Sea and examines climate-linked temporal changes. The model was applied at 1 km resolution across the 166,483 km NSA domain over 1980–2023.

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Arctic rivers face big changes with a warming climate, permafrost thaw and an accelerating water cycle − the effects will have global consequences

The Conversation

Michael Rawlins and Ambarish Karmalkar

2024-03-05

”As the Arctic warms, its mighty rivers are changing in ways that could have vast consequences – not only for the Arctic region but for the world. ... We’re climate scientists who study how warming is influencing the water cycle and ecosystems. In a new study using historical data and sophisticated computer models of Earth’s climate and hydrology, we explored how climate change is altering Arctic rivers. ...”

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Why a warming climate can bring bigger snowstorms

The Conversation

Michael Rawlins

2022-02-02

Michael Rawlins writes about the effects of climate change on snowstorms. “The sharp increase in high-impact Northeast winter storms is an expected manifestation of a warming climate,” Rawlins says. “It’s another risk the U.S. will have to prepare for as extreme events become more common with climate change."

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