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Federal
2014 Metro, Oregon 4-Band 8 Bit Imagery
National Oceanic and Atmospheric Administration, Department of Commerce —
These data are LiDAR orthorectified aerial photographs (8-bit GeoTIFF format) within the Oregon Lidar Consortium Portland project area. The imagery coverage is... -
Federal
Coastal Change Analysis Program (C-CAP) High Resolution Land Cover and Change Data NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized high resolution land cover and change products for the coastal regions of the U.S. and... -
Federal
Portland, Maine 1/3 arc-second MHW Coastal Digital Elevation Model
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated... -
Federal
Portland, Maine Tsunami Forecast Grids for MOST Model
National Oceanic and Atmospheric Administration, Department of Commerce —
The Portland, Maine Forecast Model Grids provides bathymetric data strictly for tsunami inundation modeling with the Method of Splitting Tsunami (MOST) model. MOST is... -
Federal
F00524: NOS Hydrographic Survey , Portland, Maine, 2006-07-26
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
H12494: NOS Hydrographic Survey , Portland Harbor, ME, 2012-07-19
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Coastal Mapping Program of Portland, OR, OR2202-CS-T NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide an accurate high-resolution shoreline compiled from imagery of Portland, OR . This vector shoreline data is based on an office interpretation of... -
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
Coastal Mapping Program of Portland, ME, ME2001-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
Shoreline Mapping Program of PORTLAND, OR, WA0601E NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide an accurate high-resolution shoreline compiled from imagery of PORTLAND, OR . This vector shoreline data is based on an office interpretation of... -
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
H11467: NOS Hydrographic Survey , Portland, Maine, 2005-08-31
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
W00677: NOS Hydrographic Survey , External Source Data 2023, 2021-08-31
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Shoreline Mapping Program of PORTLAND, ME, ME0601 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
Gravity Data for the Greater Portland Area
National Oceanic and Atmospheric Administration, Department of Commerce —
The gravity station data (1,522 records) were compiled by the Portland State University. This data base was received in August 1990. Principal gravity parameters...
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