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State
Surface Water Quality Lines
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
Federal
Nonattainment Area - 8 hr Ozone (2008 Standard)
Department of Transportation —
The Nonattainment Area - 8 hr ozone (2008) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
State
Characterization of Seabirds, California North Coast MPA Baseline Study, 2014 to 2015
State of California —
We completed four distinct projects to collect baseline data at varying spatial and temporal scales. First, we used data from aerial photographic surveys conducted... -
Federal
Life Cycle Analysis Data and Results for Geothermal and Other Electricity Generation Technologies
Department of Energy —
Life cycle analysis (LCA) is an environmental assessment method that quantifies the environmental performance of a product system over its entire lifetime, from... -
Hydrography Lines
District of Columbia —
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect... -
State
Tsunami inundation maps for Skagway and Haines, Alaska
State of Alaska —
In this report we evaluate potential tsunami hazards for the southeastern Alaska communities of Skagway and Haines and numerically model the extent of inundation from... -
State
305b Assessed 2006 Estuary
State of Connecticut —
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
County
Geology - Diabase Dikes
Wake County —
Polylines representing the dikes, folds and cross sections for the Caldwell 7.5-minute quadrangle, North Carolina Diabase dike - inferred - Diabase: Black to... -
Federal
Light Attenuation KdPAR
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset represents monthly and annual averages of percentage light reaching at 1 m depth relative to surface light (KdPAR). The units are in percentage (%) as... -
State
Photogrammetry-derived digital surface model and orthoimagery of land areas near Resurrection Bay, Alaska
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced a digital surface model (DSM) and an orthorectified aerial optical image mosaic... -
Federal
Nonattainment Area - Nitrogen Dioxide (NO2 - 1971 Standard)
Department of Transportation —
The Nonattainment Area - Nitrogen Dioxide (NO2-1971) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
SST, Pathfinder Ver 5.3 (L3C), Night, Global, 0.0417°, 1981-present, Science Quality (Monthly Composite)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains monthly composites of nighttime sea surface temperature (SST) data produced as part of the AVHRR Pathfinder SST Project. The source data were... -
Federal
Adelie Penguin Telemetry Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The dataset contains geographic location estimates of Adelie penguins (Pygoscelis adeliae) tracked via Argos satellite telemetry in the Southern Ocean for the U.S.... -
State
Photogrammetry-derived historical orthoimagery for Homer, Alaska from 1951, 1952, 1964, and 1985
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) used Structure-from-Motion (SfM) photogrammetry to produce orthoimagery for the City of... -
State
Alaska Weather Observation Network
State of Alaska —
Alaska Weather Observation Network, Digital Data Series 25, provides access to current and archived observations of hydrometeorological variables collected at weather... -
Federal
SST, Daily Optimum Interpolation (OI), AVHRR Only, Version 2.1, Final, Global, 0.25°, 1981-present
National Oceanic and Atmospheric Administration, Department of Commerce —
This is the final version of the related dataset "ncdcOisst21NrtAgg", which has the preliminary, near real time version of these files. These final files are released... -
State
Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment J: Newtok to Toksook Bay
State of Alaska —
Aerial photographs of the coastline from Newtok to Toksook Bay were collected on September 1, 2015. The photographs were processed using Structure-from-Motion (SfM)...