• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-07-29T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Swains Island, Territory of American Samoa, USA....

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-07-29T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Rose Atoll, Territory of American Samoa, USA....

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-07-29T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Rose Atoll Lagoon, Territory of American Samoa,...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-10-22T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter, bathymety derivatives, and bathymetry derived from multispectral World View-2...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-10-10T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at the U.S. Territory of Guam. The dataset was...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-04-04T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives of Ni'ihau Island, Hawaii, USA . The dataset was...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-10-13T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Ta'u Island, Territory of American Samoa, USA ....

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-06-02T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island, American Samoa, South Pacific....

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-10-13T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Ofu and Olosega Islands, Territory of American...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-10-10T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tinian Islands and Tatsumi Bank, CNMI. The...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-10-10T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Pagan Island, Commonwealth of the Northern...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-10-10T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Saipan Island, Commonwealth of the Northern...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-09-01T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at French Frigate Shoals, Northwestern Hawaiian...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-25T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Swains Island, American Samoa. The dataset was...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-06-07T00:00:00.000+00:00

Bathymetric Position Index (BPI) Zones derived from derivatives of Simrad EM-3000 multibeam bathymetry (3 m resolution). BPI zones are surficial characteristics of the seafloor based on a...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-06-07T00:00:00.000+00:00

Bathymetric Position Index (BPI) Structures are derived from derivatives of Simrad EM-3000 multibeam bathymetry (1 m and 3 m resolution). BPI structures are surficial characteristics of the...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

Substrate, Hard bottom vs. Soft bottom: This is a preliminary product. Cell values reflect whether the seafloor is hard bottom or soft bottom based on an unsupervised classification run using...

• none
• none
• none
• none
• none
• none
• +12 more

• Organization: Department of the Interior
• Updated: 2021-11-03T00:00:00Z

The U.S. Geological Survey (USGS) collected hydroacoustic data of the St. Croix River adjacent to the Osceola (WI) boat ramp for hydrographic and benthic mapping prior to the reconstruction...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-01-25T00:00:00.000+00:00

Hard and soft seafloor substrate map, derived from integrating two existing map products: hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-09-01T00:00:00.000+00:00

Hard and soft seafloor substrate map, derived from integrating two existing map products: hard and soft substrate maps derived from an unsupervised classification of multibeam backscatter and...

• none