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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
Multistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016
Department of the Interior —
This data release contains two tables of information on polar bear distributions in the southern Beaufort Sea during spring, from 2001 to 2016. One table provides... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Hindcast (1981-2010) and projected (2011-2100) coastal storm events, including duration, wave conditions, and storm surges in the vicinity of Arey Lagoon and Barter Island, Alaska
Department of the Interior —
Numerically modeled ocean storm conditions of hindcast (1981-2010) and projected (2011-2100) storm events in the nearshore region of Arey Lagoon, Alaska. Storms were... -
Federal
Ocean wave time-series data surrounding Hawai’i and U.S. territories in the Pacific Ocean simulated with a global-scale numerical wave model under the influence of CMIP6 wind and sea ice fields
Department of the Interior —
This dataset presents projected hourly time-series of wave heights, wave periods, incident wave directions, and directional spreading at distinct points surrounding... -
Federal
Sex and Age Composition of Walrus Groups Hauled Out on Ice Floes in the Bering and Chukchi Seas, 2013-2015
Department of the Interior —
These data are in one table with age and sex composition counts of groups of walruses on ice floes in the northern Bering and Chukchi Seas. Counts were collected by... -
Federal
Ocean wave time-series data along the Alaska coast simulated with a global-scale numerical wave model under the influence of CMIP6 wind and sea ice fields
Department of the Interior —
This dataset presents projected hourly time-series of wave heights, wave periods, incident wave directions and directional spreading at distinct points along the open... -
Federal
Data release for Ice and ocean constraints on early human migrations into North America along the Pacific coast
Department of the Interior —
Founding populations of the first Americans likely occupied parts of Beringia during the Last Glacial Maximum (LGM) (1). The timing, pathways, and modes of their... -
Federal
Ocean wave time-series data along the U.S. Atlantic, Gulf of Mexico, and Puerto Rico coasts simulated with a global-scale numerical wave model under the influence of CMIP6 wind and sea ice fields
Department of the Interior —
This dataset presents projected hourly time-series of wave heights, wave periods, incident wave directions, and directional spreading at distinct points along the... -
Federal
Carbon and Nitrogen Isotope Concentrations in Polar Bear Hair and Prey from the Alaska Beaufort and Chukchi Seas, 1978-2019
Department of the Interior —
This dataset includes carbon and nitrogen isotope concentrations measured in polar bear hair and marine mammal prey muscle and blubber samples collected 1978-2019 in... -
Federal
Data Supporting Walrus Areas of Use in the Chukchi Sea During Sparse Sea Ice Cover
Department of the Interior —
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... -
Federal
Marine Bird and Mammal Survey Data from Prince William Sound, Alaska
Department of the Interior —
One table with the results from surveys conducted to document the at-sea distribution and abundance of marine birds and mammals in Prince William Sound, Alaska.... -
Federal
Walrus Haulout and In-water Activity Levels Relative to Vessel Interactions in the Chukchi Sea, 2012-2015
Department of the Interior —
These data were used to evaluate effects of vessel exposure on Pacific walrus (Odobenus rosmarus divergens) behaviors. We obtained >120,000 hours of location and... -
Federal
Minimal offshore extent of ice-bearing (subsea) permafrost on the U.S. Beaufort Sea margin
Department of the Interior —
The present-day distribution of subsea permafrost beneath high-latitude continental shelves has implications for sea level rise and climate change since the Last... -
Federal
Marine Arctic polygon distribution of Ice Cod (Arctogadus glacialis) (Peters, 1872)
Department of the Interior —
Region(s) of distribution of Ice Cod (Arctogadus glacialis) (Peters, 1872) in the Arctic as digitized for U.S. Geological Survey Scientific Investigations Report... -
Federal
SUPERSEDED: Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery, 2023
Department of the Interior —
This data release has been SUPERSEDED. No data are provided here. The geospatial outlines and herd size estimates of Chukchi Sea autumn walrus haulouts, interpreted... -
Federal
Time series for the central Beaufort Sea coast, Alaska
Department of the Interior —
Time series output from a spectral wave model (Simulating Waves WAves Nearshore [SWAN]; Booij and others 1999), implemented for the central Beaufort Sea coast of... -
Federal
Data and calculations to support the study of the sea-air flux of methane and carbon dioxide on the West Spitsbergen margin in June 2014
Department of the Interior —
A critical question for assessing global greenhouse gas budgets is how much of the methane that escapes from seafloor cold seep sites to the overlying water column... -
Federal
PRISM4 (mid-Piacenzian) Paleoenvironmental Reconstruction Data
Department of the Interior —
The mid-Piacenzian is known as a period of relative warmth when compared to the present day. A comprehensive understanding of conditions during the Piacenzian serves...