• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

We conducted acoustic-trawl (AT) surveys of the US continental shelf region of the Chukchi Sea during ice-free periods (27 August to 26 September) with a focus on Arctic cod (Boreogadus saida), a...

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• Organization: Department of the Interior
• Updated: 2021-11-18T00:00:00Z

Bathymetric contours were generated from soundings collected during geophysical surveys conducted by the USGS from 1969 to 1982, and supplemented by data from other sources. The region covered by...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

We conducted acoustic-trawl (AT) surveys of the US continental shelf region of the Chukchi Sea during ice-free periods (1 August to 27 September) with a focus on Arctic cod (Boreogadus saida), a...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-01-01T00:00:00.000+00:00

We conducted acoustic-trawl (AT) surveys of the Alaska northern Bering and Chukchi Seas during ice-free periods with a focus on Arctic cod (Boreogadus saida), a key species in Arctic ecosystems. ...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-12-30T00:00:00.000+00:00

Timeseries data from '4801730 - Chukchi Ice Detection Buoy - 2015' (4801730-chukchi-ice-detection-bu)

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-08-14T00:00:00.000+00:00

This data set contains vessel- and aircraft-based marine mammal surveys in the Chukchi Sea collected from 1989 to 1991. The aerial marine mammal surveys were conducted by EBASCO to determine the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-01-01T00:00:00.000+00:00

We conducted acoustic-trawl (AT) surveys of the Alaska northern Bering and Chukchi Seas during ice-free periods with a focus on Arctic cod (Boreogadus saida), a key species in Arctic ecosystems. ...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-12-30T00:00:00.000+00:00

Timeseries data from '4801730 - Chukchi Ice Detection Buoy - 2017' (4801730-chukchi-ice-detection-bu-1)

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• Organization: Department of the Interior
• Updated: 2024-12-31T00:00:00Z

These data are the raw location data collected from satellite radio-collars fitted on adult female polar bears in the Chukchi Sea, between 1985-1996. The collars were worn by adult female polar...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-01-01T00:00:00.000+00:00

The Chukchi and East Siberian Surveys (ChESS) were a joint U.S.-Russian effort to enumerate ice-associated seals and polar bears in the Chukchi and East Siberian seas. ChESS is a component of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:45.000+00:00

The Arctic region has experienced warming in recent years, resulting in decreased summer sea ice cover and increased sea surface temperatures. In 2007, the U.S. BASIS survey extended surface...

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• Organization: Department of the Interior
• Updated: 2025-01-29T00:00:00Z

This dataset contains the growth index from annual growth bands in the shells of two bivalve clam species (Astarte borealis and Liocyma fluctuosa) captured in the Chukchi Sea, Alaska. The growth...

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• Organization: Department of the Interior
• Updated: 2021-11-18T00:00:00Z

Two bathymetric maps were developed by the U.S. Geological Survey, one for the Chukchi Sea and Arctic Ocean, and one for the Aleutian Trench and Bering Sea. The 2 maps overlap near the Bering...

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• Organization: Department of the Interior
• Updated: 2024-12-31T00:00:00Z

This dataset contains fatty acid data expressed as mass percent of total fatty acids from Chukchi Sea polar bears.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:49.000+00:00

The Alaska Fisheries Science Centers (AFSC) Status of Stocks and Multispecies Assessment (SSMA) Programs Fishery Interaction Team (FIT) conducted an offshore fish and invertebrate survey as part...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-17T00:00:00.000+00:00

This collection includes temperature, salinity, oxygen, and fluorescence profile data from Alpha Helix cruises as well as current meter resultant, water temperature, and salinity time series data...

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• Organization: Department of the Interior
• Updated: 2025-03-26T00:00:00Z

This data release includes two summary geospatial rasters in GeoTIFF format indicating the seasonal Pacific walrus distribution apparent from location tracking obtained from the temporary...

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• Organization: Department of the Interior
• Updated: 2025-03-27T00:00:00Z

The dataset consists of geospatial files depicting the estimated June-to-November distribution of walrus foraging and occupancy during a four year period of sparse sea ice cover above the Chukchi...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-01-05T00:00:00.000+00:00

The field phase of the Shelf-Basin Interactions Experiment (SBI) began in 2002 with a series of three cruises to the Chukchi and Beaufort Seas. SBI is a multi-institutional program investigating...

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• Organization: Department of the Interior
• Updated: 2024-11-07T00:00:00Z

These data are estimates of den emergence date, den site departure dates, and duration at den sites as well as post-emergence observations for female polar bears sampled in the southern Beaufort...

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