108 datasets found
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Federal
EnviroAtlas - Portland, ME - Estimated Intersection Density of Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the intersection density of walkable roads within a 750 meter radius of any given 10 meter pixel in the community. Intersections... -
Federal
EnviroAtlas - Portland, OR - Atlas Area Boundary
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the boundary of the Portland, OR Atlas Area. It represents the outside edge of all the block groups included in the EnviroAtlas Area.... -
Federal
EnviroAtlas - Portland, ME - 51m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Portland, OR - Domestic Water Use per Day by U.S. Census Block Group
U.S. Environmental Protection Agency —
As included in the EnviroAtlas, the community level domestic water use is calculated using locally available water use data per capita in gallons of water per day... -
Federal
Offshore baseline for New England North coastal region from Popham Beach, Maine to the northern side of Cape Ann, Massachusetts, generated to calculate shoreline change rates (NE_North_baseline.shp)
Department of the Interior —
Sandy ocean beaches are a popular recreational destination, often surrounded by communities containing valuable real estate. Development is on the rise despite the... -
Federal
2025 NOAA NGS Ortho-rectified 4 band Mosaic of Portland, ME
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains 4-band ortho-rectified mosaic tiles, created as a product from the NOAA Integrated Ocean and Coastal Mapping (IOCM) initiative. The source... -
Federal
EnviroAtlas - Portland, ME - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Portland, OR - Tree Cover Configuration and Connectivity, Water Background
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes forest land cover into structural elements (e.g. core, edge, connector, etc.). In this community, forest is trees & forest... -
Federal
EnviroAtlas Community Block Group Metrics Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes... -
Federal
Shoreline Mapping Program of Portland, ME, ME1701-CS-N NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide an accurate high-resolution shoreline compiled from imagery of Portland, ME . This vector shoreline data is based on an office interpretation of... -
Federal
Elevation Grid for top Columbia River Basalt (CRBG) in the Portland Basin used in DDU Feasibility Study
Department of Energy —
The Portland Basin is a prime location to assess the feasibility of DDU-TES because natural geologic conditions provide thermal and hydraulic separation from... -
Federal
EnviroAtlas - Portland, OR - Estimated Intersection Density of Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the intersection density of walkable roads within a 750 meter radius of any given 10 meter pixel in the community. Intersections... -
Federal
Fault Information and Seismicity for the Portland Basin Deep Direct-Use Feasibility Study
Department of Energy —
Included in this dataset is a spreadsheet with the primary fault information used in the basin model, a spreadsheet with earthquake magnitude estimates, and a figure... -
Federal
Airborne geophysical survey: Portland, Oregon
Department of the Interior —
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude,... -
Federal
EnviroAtlas - Portland, ME - Park Access by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the block group population that is within and beyond an easy walking distance (500m) of a park entrance. Park entrances were included... -
Federal
EnviroAtlas - Portland, ME - Riparian Buffer Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of different land cover types within 15- and 50-meters of hydrologically connected streams, rivers, and other water... -
Federal
EnviroAtlas - Portland, ME - Greenspace Around Schools by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas data set shows the number of schools in each block group in the EnviroAtlas community boundary, as well as the number of schools where less than 25%... -
Federal
EnviroAtlas - Portland, ME - BenMAP Results by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset demonstrates the effect of changes in pollution concentration on local populations in 146 block groups in Portland, Maine. The US EPA's... -
Federal
EnviroAtlas - Portland, ME - Estimated Percent Tree Cover Along Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates tree cover along walkable roads. The road width is estimated for each road and percent tree cover is calculated in a 8.5 meter... -
Federal
EnviroAtlas 51m Riparian Buffer Forest Cover Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset...
108 datasets found