35 datasets found

Organizacións: US Geological Survey

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  • National Land Cover Database - 2001 Land Cover

    The National Land Cover Database 2001 land cover layer for mapping zone ak10b was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics...
  • National Land Cover Database - 2001 Extended Wetland Cover Types

    The National Land Cover Database 2001 Alaska Land Cover Cloud/Shadow Mask for the state of Alaska was produced through a cooperative project conducted by the Multi-Resolution...
  • NHDArea

    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 surface...
  • NHDWaterbody

    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 surface...
  • NHDFlowline

    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 surface...
  • Geology

    Preliminary Geologic Map of Southcentral to Southeast AK - ranging from the Cook Inlet region, located at the northern part of the Gulf of Alaska to Prince Rupert and Dixon...
  • FaultsAlaska Coal Geology, Resources, and Coalbed Methane Potential

    Faults of Southeast Alaska. Estimated Alaska coal resources are largely in Cretaceous and Tertiary rocks distributed in three major provinces. Northern Alaska-Slope, Central...
  • Sedimentation and flooding in a glacial stream at Exit Glacier, Kenai Fjords ...

    Exit Glacier in Alaska’s Kenai Fjords National Park (KEFJ) is one of the most readily accessible glaciers in the National Park system due to its near-sea-level elevation and...
  • Cook Inlet Basin Study Unit – Wetlands

    nawqa_wet is a polygon coverage of the wetlands in the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study unit. The coverage was created from a statewide coverage...
  • Cook Inlet Basin Study Unit – Precipitation

    nawqa_precip is a line and polygon coverage of the precipitation values in the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study area in southcentral Alaska. This...
  • Seabirds, Forage Fish, and Marine Ecosystems Research

    The DOI has Trust responsibility for all marine birds in the U.S., and >95% of these reside in Alaska and the North Pacific. Essential to the conservation and management of...
  • Cook Inlet Basin Study Unit – Glaciers

    nawqa_glac1 is a polygon coverage of glaciers in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet NAWQA is located in southcentral Alaska and...
  • Cook Inlet Basin Study Unit – Gaging Stations

    nawqa_sta is a point coverage of USGS streamflow-gaging stations in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. Only stations with 10 or more years of...
  • USGS Alaska Mapping Initiative

    The Alaska Mapping Initiative is a U.S. Geological Survey program to support and improve maps and digital map data for Alaska, bringing Alaska topographic map and digital map...
  • Cook Inlet Basin Study Unit – Hydrologic Unit Boundaries

    nawqa_huc is a polygon coverage of hydrologic unit boundaries within the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study area in southcentral Alaska. A...
  • Cook Inlet Basin Study Unit – Streams and Rivers

    nawqa_strm is a line coverage of the streams and rivers in the Cook Inlet Basin National Water-Quality Asessment (NAWQA) study unit. The purpose of this coverage is (1) to...
  • Cook Inlet Basin Study Unit – Lakes

    nawqa_lakes is a polygon coverage of lakes greater than 20 acres that are located in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet Basin is...
  • Cook Inlet Basin Study Unit – Permafrost

    nawqa_perm is a polygon coverage of the permafrost regions in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet Basin is located in...
  • Cook Inlet Basin Study Unit – Roads

    nawqa_roads is a line coverage of the roads in the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study unit. A statewide coverage of the road system was obtained...
  • Cook Inlet Basin Study Unit – Towns

    nawqa_towns is a point coverage of the towns and cities located in the Cook Inlet Basin National Water Quality Assessment (NAWQA) study unit in southcentral Alaska. The purpose...