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Alaska Region

USGS in Alaska conducts science for decision-making in five major areas: natural hazards; energy & minerals; water quality, streamflow & ice; wildlife, fish & habitat; and geospatial mapping. The Alaska Regional Office provides management and strategic coordination among the Alaska Science Center, the Volcano Science Center, & other partners operating in AK.

News

AquaDePTH: Merging Aquatic Disease Surveillance Data into One Useful Tool

AquaDePTH: Merging Aquatic Disease Surveillance Data into One Useful Tool

USGS Measures Glacial Flooding in Juneau, Alaska

USGS Measures Glacial Flooding in Juneau, Alaska

Science Spotlight: USGS Monitoring of Glacial Outburst Flood in Juneau Alaska

Science Spotlight: USGS Monitoring of Glacial Outburst Flood in Juneau Alaska

Publications

U.S. Geological Survey—Department of the Interior, Region 11, Alaska—2023–24 biennial science report U.S. Geological Survey—Department of the Interior, Region 11, Alaska—2023–24 biennial science report

Introduction U.S. Geological Survey (USGS) Mission—The USGS national mission is to monitor, analyze, and predict the current and evolving dynamics of complex human and natural Earth-system interactions and to deliver actionable information at scales and timeframes relevant to decision makers. Consistent with the national mission, the USGS in Alaska provides timely and objective...

A time-space model of graphite mineral systems A time-space model of graphite mineral systems

Increasing demand for graphite in energy storage systems warrants review of graphite ore genesis in a mineral systems framework. Orogenic graphite encompasses the metamorphic and orogenic mineral systems that produce flake graphite and hydrothermal vein (lump and chip) graphite deposits, respectively. A common feature of orogenic graphite deposits is an association with upper amphibolite...
Authors
George N.D. Case

River ice controls permafrost bank erosion across an Arctic delta River ice controls permafrost bank erosion across an Arctic delta

Bank erosion in Arctic rivers helps shape channel geometry, mobilizes carbon from permafrost and influences sediment delivery to the Arctic Ocean. On Alaska's Arctic coastal plain, rivers begin flowing during snowmelt in late spring while extensive river ice persists in channels, such that hydraulics are altered and water is kept cool. The effects of river ice on permafrost bank erosion...
Authors
J Arcuri, Irina Overeem, Marisa Repasch, R. S. Anderson, S. P. Anderson, Joshua C. Koch, Frank Urban

Science

Tracking Data for Long-tailed Ducks (Clangula hyemalis)

Available here are tracking data of long-tailed duck, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of northern and mid latitudes. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.
Tracking Data for Long-tailed Ducks (Clangula hyemalis)

Tracking Data for Long-tailed Ducks (Clangula hyemalis)

Available here are tracking data of long-tailed duck, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of northern and mid latitudes. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.
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U.S. Fish and Wildlife Service Tracking Data for Steller's Eiders (Polysticta stelleri)

Available here are tracking data of the Steller’s Eider, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of western and southwestern Alaska. The Alaska-breeding population is listed as threatened under provisions of the Endangered Species Act. These tracking data were collected by the U.S. Fish and Wildlife Service. The entire data package...
U.S. Fish and Wildlife Service Tracking Data for Steller's Eiders (Polysticta stelleri)

U.S. Fish and Wildlife Service Tracking Data for Steller's Eiders (Polysticta stelleri)

Available here are tracking data of the Steller’s Eider, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of western and southwestern Alaska. The Alaska-breeding population is listed as threatened under provisions of the Endangered Species Act. These tracking data were collected by the U.S. Fish and Wildlife Service. The entire data package...
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Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)

Available here are tracking data of Pacific walrus, a marine mammal that ranges between the Alaska Peninsula, up through the Bering and Chukchi seas, and over to Russia. These data were collected from animals marked in the northern Bering and Chuckchi sea to understand seasonal movement patterns, use of coastal haulouts in northwestern Alaska, and determine estimates of abundance in autumn.
Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)

Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)

Available here are tracking data of Pacific walrus, a marine mammal that ranges between the Alaska Peninsula, up through the Bering and Chukchi seas, and over to Russia. These data were collected from animals marked in the northern Bering and Chuckchi sea to understand seasonal movement patterns, use of coastal haulouts in northwestern Alaska, and determine estimates of abundance in autumn.
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