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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-billed Curlews (Numenius americanus)

Available here are tracking data for the largest shorebird in North America, the long-billed curlew. This species nests in deserts and grasslands of central and western North America and spends the nonbreeding season in agriculture fields and pastures or along coastlines in California, Texas, and Mexico. These data were collected to better understand the migratory patterns of this unmistakable and...
Tracking Data for Long-billed Curlews (Numenius americanus)

Tracking Data for Long-billed Curlews (Numenius americanus)

Available here are tracking data for the largest shorebird in North America, the long-billed curlew. This species nests in deserts and grasslands of central and western North America and spends the nonbreeding season in agriculture fields and pastures or along coastlines in California, Texas, and Mexico. These data were collected to better understand the migratory patterns of this unmistakable and...
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Tracking Data for Caribou (Rangifer tarandus granti)

Available here are tracking data of Caribou, an ungulate that ranges between the Alaska Peninsula, up through interior Alaska and the Arctic Coastal Plain, and over to the Yukon Territory. These data were collected from animals living in three different herds including the Fortymile herd, Nelchina herd, and Denali herd.
Tracking Data for Caribou (Rangifer tarandus granti)

Tracking Data for Caribou (Rangifer tarandus granti)

Available here are tracking data of Caribou, an ungulate that ranges between the Alaska Peninsula, up through interior Alaska and the Arctic Coastal Plain, and over to the Yukon Territory. These data were collected from animals living in three different herds including the Fortymile herd, Nelchina herd, and Denali herd.
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Tracking Data for Buff-Breasted Sandpipers (Calidris subruficollis)

Available here are tracking data of buff-breasted sandpiper, a shorebird species that breeds only in Arctic Alaska and Canada, spending the winter in the grasslands of Brazil, Uruguay, and Argentina after a lengthy migration. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.
Tracking Data for Buff-Breasted Sandpipers (Calidris subruficollis)

Tracking Data for Buff-Breasted Sandpipers (Calidris subruficollis)

Available here are tracking data of buff-breasted sandpiper, a shorebird species that breeds only in Arctic Alaska and Canada, spending the winter in the grasslands of Brazil, Uruguay, and Argentina after a lengthy migration. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.
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