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National Park Servicehttps://www.nps.gov/subjects/aknatureandscience/permafrost.htmPermafrost - Alaska Nature and Science (U.S. National Park Service)Learn about permafrost, the permanently frozen ground that underlies much of the Arctic landscape and affects everything in the ecosystem. Find out how permafrost thaw affects soil…State of Alaskahttps://www.adfg.alaska.gov/index.cfm?adfg=ecosystems.permafrostPermafrost, Alaska Department of Fish and GameEven on the warmest summer day, this permafrost layer lies anywhere from a few inches to a few feet below the tundra surface, never thawing. About 85% of Alaska's land area is unde…State of Alaskahttps://dggs.alaska.gov/hazards/permafrost.htmlHydrology & Surficial Geology - Permafrost | Alaska Division of ...Learn about permafrost and periglacial hazards in Alaska, such as thawing ground, ice lenses, and usteq. Find out how permafrost affects the soils, hydrology, and geomorphology of …
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Hydrology & Surficial Geology - Permafrost | Alaska Division of ...
Learn about permafrost and periglacial hazards in Alaska, such as thawing ground, ice lenses, and usteq. Find out how permafrost affects the soils, hydrology, and geomorphology of Alaska.
See results only from dggs.alaska.govAlaska Department of Fish and Game
About 85% of Alaska's land area is underlain by permafrost. Permafrost is a powerful influence on tundra life. In summer, it traps a layer of water clos…
Permafrost - Alaska Nature and Science (U.S.
Apr 3, 2024 · Learn about permafrost, the permanently frozen ground that underlies much of the Arctic landscape and affects everything in the ecosystem. Find out how permafrost thaw affects soils, vegetation, water, wildlife, and the …
Data and Maps | Permafrost Laboratory - University of Alaska …
Site Information and Historical Data Access (Map Interface / List Interface). Here you will be able to find information about the sites we maintain and access historical data for those sites.
Alaska permafrost characterization: Geophysical and related field …
Nov 20, 2020 · Geophysical measurements were collected by the U.S. Geological Survey (USGS) at two sites in Interior Alaska in 2019 and 2020 for the purposes of imaging permafrost …
- DOI: 10.5066/P9I6VUQV
- Publication Year: 2020
Thawing permafrost threatens Alaska …
Apr 3, 2024 · Alaska Native communities have been raising the alarm for years, warning that thawing permafrost and erosion …
Permafrost - Alaska Department of Fish and Game
About 85% of Alaska's land area is underlain by permafrost. Permafrost is a powerful influence on tundra life. In summer, it traps a layer of water close to the surface, keeping many tundra soils soggy. It cools the soil and the roots of …
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Permafrost in Alaska
In Alaska, mean permafrost temperatures range from around -10 °C (14 °F) in the northernmost parts of the state to just below freezing in areas more south (Romanovsky et al., 2017). Map of …
Permafrost - U.S. National Park Service
Aug 17, 2023 · Many parts of Alaska have a hidden underground world of frozen ground. The depth and extent of this “permafrost” varies by location, depending on average air temperatures, soil types, topography, and surface vegetation. …
Permafrost Laboratory
Recently Prof. Vladimir Romanovsky, Geophysicist and Permafrost Lab Leader was interviewed about the Lab's newest developments. High-resolution maps of possible future changes of Alaska's permafrost. The AMAP report on Snow, …
Permafrost - The Skeleton of Alaska - U.S. National Park Service
Jan 2, 2025 · Permafrost is frozen ground that is consistently frozen for two or more years. This frozen soil shapes the ecosystems it underlays, affecting the landscape itself, and therefore …
As permafrost thaws, the ground beneath …
Apr 20, 2022 · As climate change warms Alaska, the frozen ground beneath many communities is melting, leading to structural damage and environmental hazards. Scientists are …
A disappearing act in Alaska | U.S. Geological Survey - USGS.gov
Jul 19, 2022 · Underneath much of Alaska’s forests sits permafrost, or permanently frozen soil. “Permafrost is ground that stays frozen year-round for at least two consecutive years,” Jones, …
Mapping the Effect of Permafrost on One Alaskan Community as …
Dec 31, 2020 · As permafrost thawing threatens the village of Nunapitchuk, scientists, tribal leaders, and policy experts collaborate to create a relocation plan. Alaska CASC science and …
Thawing permafrost is an existential threat for Alaska …
Sep 9, 2024 · The Permafrost Pathways team is doing work like this across multiple Alaska communities where permafrost thaw is causing big problems. Houses and roads are sinking …
Alaska’s Lakes and Ponds Reveal Effects of Permafrost Thaw
Feb 19, 2025 · By documenting Alaska’s lakes and ponds in unprecedented detail, Levenson et al. show where and how water bodies can signal underlying permafrost thaw, providing a step …
Filling in the Alaska permafrost map | Geophysical Institute
Apr 2, 2008 · Fifteen days, 15 villages, more than 800 miles traveled by snowmachine, and Kenji Yoshikawa’s spring permafrost tour, phase 1, is complete.
Home - Permafrost Pathways
Permafrost is perennially frozen ground that, as it thaws, is causing the land to collapse, creating an environmental justice crisis for Arctic residents whose homes, villages, and ways of living …
Here's How Much of Alaska's Permafrost Could Melt
Dec 9, 2015 · They estimate that between 16 and 24 percent of near-surface permafrost in Alaska would disappear by the end of the century due to climate change alone.
Notes from the Field | Uncharted Terrain: Monitoring Permafrost …
Mar 6, 2025 · The Alaska Center of Conservation Science (ACCS) is a small (yet capable!) group of ecologists housed at the University of Alaska in Anchorage. ... The permafrost’s geothermal …
What is Permafrost & How Does it Affect Alaska?
Alaska’s permafrost is made up of soil, rocks, and water that is frozen beneath the earth’s surface. Permafrost forms when the depth of freezing exceeds the summer thawing. In Alaska, the …
Glacial History Modifies Permafrost Controls on the Distribution of ...
Feb 14, 2025 · Across Alaska, the average lake fraction does not significantly increase with more extensive permafrost; however, after differentiating by glacial history and geologic substrate …
Study: Near-surface permafrost will be nearly gone by 2100
Sep 15, 2023 · Simulations for the mid-Pliocene Warm Period and projections of permafrost extent in 2100 focus only on near-surface permafrost, which is less resistant to climate warming than …
Northern soil microbes staying up all winter | UAF news and …
Feb 28, 2025 · Permafrost underlies the surface of one-quarter of the globe’s land and more than half of Alaska. That frozen ground would seem to stall microbes — especially in winter — but …
Climate change is reshaping Alaska’s soil map
Mar 7, 2025 · Alaska’s warming climate is reshaping permafrost soils. A study forecasts up to 69% reclassification by 2100, underscoring the need for updated soil maps. ... They found that …
‘Into the Thaw’: Jon Waterman on a Changing Alaska
Feb 14, 2025 · The permafrost has begun to thaw, and lakes have disappeared as riverbanks and mountainsides droop like frozen spinach left out on the counter. The book tracks his most …
