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Federal
2006 EM300 and EM3002D Multibeam Sonar Data from Cruise Hi'ialakai HI-06-02 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
EM300 and EM3002D multibeam Data were collected in 10-13 Feb. and 18 Feb-13 Mar 2006 aboard NOAA Ship Hi'ialakai in American Samoa at Swains Island, Tutuila, the... -
Federal
CRED Reson 8101 multibeam backscatter data from the banktop and bank edge environments of Ofu, Olosega, and Ta'u Islands of the Manua Island group, American Samoa in GeoTIFF format
National Oceanic and Atmospheric Administration, Department of Commerce —
Multibeam backscatter imagery extracted from gridded bathymetry of Ofu, Olosega, and Ta'u Islands of the Manua Island Group, American Samoa, South Pacific. These data... -
Federal
NOAA Shallow-Water Benthic Habitats: American Samoa: Manua Islands
National Oceanic and Atmospheric Administration, Department of Commerce —
Benthic habitat maps for the nearshore, shallow (< 30 m) coastal waters of the Manua Islands (Ofu, Olosega, and Tau) of American Samoa. NOAA's National Centers for... -
Federal
CRED Reson 8101 multibeam backscatter data from the banktop and bank edge environments of Ofu, Olosega, and Ta'u Islands of the Manua Island group, American Samoa with 1 meter resolution in netCDF format
National Oceanic and Atmospheric Administration, Department of Commerce —
Multibeam backscatter imagery extracted from gridded bathymetry of Ofu, Olosega, and Ta'u Islands of the Manua Island Group, American Samoa, South Pacific. These data... -
Federal
NOAA/PIBHMC 5-m Bathymetry: American Samoa: Ofu And Olosega: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A 5-m resolution gridded digital elevation model (DEM) grayscale hillshade for the bathymetry (ocean depth) surrounding the islands of Ofu and Olosega in American... -
Federal
Simulating WAves Nearshore (SWAN) Regional Wave Model: Manua, American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Simulating WAves Nearshore (SWAN) regional wave model 7-day output with a 5-day hourly forecast for the Manua Islands (Ofu, Olosega, and Tau) of American Samoa at... -
Federal
Photosynthetically Active Radiation (PAR) Standard Deviation of Long-term Mean, 2003-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Solar irradiance is one of the most important factors influencing coral reefs. As a majority of their nutrients are obtained from symbiotic photosynthesizing... -
Federal
Turbidity (Kd490) Maximum Monthly Climatological Mean, 1998-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Spectrally resolved water-leaving radiances (ocean color) and inferred chlorophyll concentration are key to studying phytoplankton dynamics at seasonal and inter-... -
Federal
Sea Surface Temperature (SST) Standard Deviation of Long-term Mean, 1985-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Sea surface temperature (SST) plays an important role in a number of ecological processes and can vary over a wide range of time scales, from daily to decadal... -
Federal
Elevation Contours, 20m - Manua, American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
20m elevation contours of Manu'a, American Samoa: Ofu, Olosega and Ta'u. -
Federal
US Environmental Protection Agency National Coastal Assessment for American Samoa 2004: water quality, sediment grain, and chemistry data (NCEI Accession 0000455)
National Oceanic and Atmospheric Administration, Department of Commerce —
In 2004, the Environmental Protection Agency (EPA) Environmental Monitoring and Assessment Program (EMAP) National Coastal Assessment (NCA), coordinated through the... -
Federal
2002 Status of coral reefs on the main volcanic islands of American Samoa: a resurvey of long term monitoring sites including benthic communities, fish communities, and key macroinvertebrates (NODC Accession 0001976)
National Oceanic and Atmospheric Administration, Department of Commerce —
This study demonstrates the important role that long term monitoring programs can play in understanding the natural variability and long term trends in the coral... -
Federal
Watersheds, Major - Manua, American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Major Watersheds of Manu'a, American Samoa: Ofu, Olosega and Ta'u. -
Federal
Turbidity (Kd490) Average Annual Maximum Anomaly, 1998-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Spectrally resolved water-leaving radiances (ocean color) and inferred chlorophyll concentration are key to studying phytoplankton dynamics at seasonal and inter-... -
Federal
Chlorophyll-a Average Annual Maximum Anomaly, 1998-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Chlorophyll-a, is a widely used proxy for phytoplankton biomass and an indicator for changes in phytoplankton production. As an essential source of energy in the... -
Federal
Chlorophyll-a Standard Deviation of Long-Term Mean, 1998-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Chlorophyll-a, is a widely used proxy for phytoplankton biomass and an indicator for changes in phytoplankton production. As an essential source of energy in the... -
Federal
Photosynthetically Active Radiation (PAR) Average Annual Frequency of Anomalies, 2003-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Solar irradiance is one of the most important factors influencing coral reefs. As a majority of their nutrients are obtained from symbiotic photosynthesizing... -
Federal
NOAA/NCEI 90-m Bathymetry: American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
A 90-m (3 arc-second) resolution gridded digital elevation model (DEM) for the bathymetry (ocean depth) surrounding American Samoa, including the islands of Tutuila,... -
Federal
USGS 10-m Digital Elevation Model (DEM): American Samoa: Ofu and Olosega: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A 10-meter resolution land surface digital elevation model (DEM) grayscale hillshade for the Manua Islands of Ofu and Olosega in American Samoa derived from United... -
Federal
Coastal Habitat Modification - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Coastal habitats are utilized and altered for a suite of human uses. Habitat modification is here defined as the alteration or removal of geomorphic structure as a...