27 datasets found for "Imagery"
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Federal
High-Resolution (1 Meter) Land Cover for 98 counties in West Virginia (2020), Virginia (2021), and Pennsylvania (2022); providing complete coverage for EPA Region 3 when combined with 2021 - 2022 Chesapeake Bay Program Land Use / Land Cover data.
U.S. Environmental Protection Agency —
This map shows high-resolution (1 meter) land cover in the EPA Region 3, covering the parts of West Virginia, Virginia, and Pennsylvania outside of the Chesapeake Bay... -
Federal
Lake Erie HABs Modeling Dataset
U.S. Environmental Protection Agency —
The dataset include hydroclimate and ambient environmental as the input data and Cyanobacterial HABs Index (CI) calculated from satellite imageries as the output data... -
Federal
Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources
U.S. Environmental Protection Agency —
This dataset shows the concentration of cyanobacteria cells/ml in fresh water bodies and estuaries of the Ohio and Florida derived from 300x300 meter MEdium... -
Federal
Cyanobacteria Index (MERIS)
U.S. Environmental Protection Agency —
This dataset shows the concentration of cyanobacteria cells/ml in fresh water bodies and estuaries of the Ohio and Florida derived from 300x300 meter MEdium... -
Federal
Improved mapping of coastal salt marsh habitat change at Barnegat Bay (NJ, USA) using object-based image analysis of high-resolution aerial imagery_data
U.S. Environmental Protection Agency —
Data for the classification of coastal land-cover of Barnegat Bay (Fig. 1) were downloaded from the USGS Earth Resources Observation and Science (EROS) Center via the... -
Federal
Climate differentiates forest structure across a residential macrosystem
U.S. Environmental Protection Agency —
The extent of urban ecological homogenization depends on how humans build, inhabit, and manage cities. Morphological and socio-economic facets of neighborhoods can... -
Federal
Thematic accuracy assessment of the National Land Cover Database (NLCD2021) for the conterminous United States
U.S. Environmental Protection Agency —
The U.S. Geological Survey (USGS), in partnership with several federal agencies, has now developed and released seven National Land Cover Database (NLCD) products:... -
Federal
National seagrass
U.S. Environmental Protection Agency —
Using WorldView-2 and WorldView-3 imagery to classify seagrass in coastal ecosystems. This dataset is associated with the following publication: Coffer, M., D.... -
Federal
2014HarshaLakeFlyover_WaterChemistryDataUsedForChlorophyllStudy.xlsx
U.S. Environmental Protection Agency —
Chlorophyll and General Water Quality variables collected during a flyover event of Harsha Lake in Southwestern Ohio. 44 sites were sampled within one hour of aerial... -
Federal
Vertical artifacts in high-resolution WorldView-2 and WorldView-3 satellite imagery
U.S. Environmental Protection Agency —
Satellite sensor artifacts can negatively impact the interpretation of satellite data. One such artifact is linear features in imagery which can be caused by a... -
Federal
Assessing temporal frequency of cyanobacterial blooms using imagery from the Sentinel-3A satellite sensor.
U.S. Environmental Protection Agency —
Assessing temporal frequency of cyanobacterial blooms using imagery from the Sentinel-3A satellite sensor. This dataset is associated with the following publication:... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wildland Fire Perimeters By Year 2000 - 2010
U.S. Environmental Protection Agency —
This dataset represents the historical fire perimeters within individual local NHDPlusV2 catchments and upstream, contributing watersheds based on the GeoMAC... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wildland Fire Perimeters By Year 2000 - 2010
U.S. Environmental Protection Agency —
This dataset represents the historical fire perimeters within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the GeoMAC... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Non-agricultural Introduced Managed Vegetation
U.S. Environmental Protection Agency —
This dataset represents the percent of non-agricultural, non-native vegetation based on LANDFIRE existing vegetation type (EVT) for a 30-m grid cell within individual... -
Federal
Data Set Description for Hyperspectral Imagery
U.S. Environmental Protection Agency —
The data set description provides a detail account of the type of data that is used within the peer-reviewed literature. The data involves special instrumentation,... -
Federal
Data for satellites predict lakes at risk from cyanobacteria and microcystin toxins
U.S. Environmental Protection Agency —
Data for analysis for modeling probability of measuring microcystin toxin, cyanobacteria cell abundance, and chlorophyll a concentration in ~2,200 lakes based on... -
Federal
Cyanobacterial frequency at drinking water intakes
U.S. Environmental Protection Agency —
This study presents the first large-scale assessment of cyanobacterial frequency and abundance at surface drinking water intakes across the United States. Public... -
Federal
Commercial imagery for seagrass
U.S. Environmental Protection Agency —
Seagrass detection using commercial satellite imagery from WorldView-2 (2 m) and RapidEye (6.5 m). This dataset is associated with the following publication: Coffer,... -
Federal
Land Cover Data: Lake Powell Backwaters, 2009-2021
U.S. Environmental Protection Agency —
This dataset contains spatial and tabular data documenting land cover and surface exposure ages along the Colorado and San Juan Rivers within the backwaters of Lake... -
Federal
Sentinel-1 and Sentinel-2 based frequency of open and vegetated water across the United States (2017-2021)
U.S. Environmental Protection Agency —
High-frequency observations of surface water at fine spatial scales are critical to effectively manage aquatic habitat, flood risk and water quality. We developed...
27 datasets found for "Imagery"