Mosaic of bathymetry derived from multispectral WorldView-2 satellite imagery of Agrihan Island, Territory of Mariana, USA, from 2003-08-26 to 2012-05-03 (NCEI Accession 0126914)
Bathymetric data derived from a multispectral WorldView-2 satellite image mosaicked to provide near complete coverage of nearshore terrain around the islands. Bathymetry values shallower than ~20 m were derived by gauging the relative attenuation of coastal, blue, green and yellow spectral radiance as a function of depth. A multiple linear regression analysis of coastal, blue, green and yellow band spectral values against depth determined the variables of y-intercept, coastal, blue, green and yellow slope values. Variables then used in multivariate slope intercept formula to derive depth. Variables were adjusted to improve the statistical accuracy and spatial coverage of the final derived bathymetry product. Digital image processing to derive depths conducted with the ENVI 4.8 software program while data editing and integration was performed using ArcGIS 10. This data set is for the shelf environment of Agrihan Island, Mariana.
Dataset Citation
- Cite as: Rooney, John; Akridge, Michael (2015). Mosaic of bathymetry derived from multispectral WorldView-2 satellite imagery of Agrihan Island, Territory of Mariana, USA, from 2003-08-26 to 2012-05-03 (NCEI Accession 0126914). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0126914. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0126914
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
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NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2003-08-26 to 2012-05-03 |
Spatial Bounding Box Coordinates |
West: 145.597
East: 145.725
South: 18.705
North: 18.842
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Submission Package ID: UW5PJ2 |
Purpose | The data were derived in support of NOAA Coral Reef Conservation Program goals. Goal 1 is to map all U.S. Coral Reef Ecosystems. This data set specifically addresses Objective 1 and 4: to develop high-resolution benthic maps and to characterize priority deep water reefs and associated habitats. This derived bathymetry provides a GIS layer with expanded spatial coverage that may be used for benthic and essential fish habitat characterization, and for the study of geologic features. By combining the dataset with other bathymetry, backscatter, derivatives, and in situ data, they collectively compose benthic habitat maps designed to be used to understand and predict shallow depth (0m to 150m) benthic habitats for organisms that inhabit coral reef ecosystems. |
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Last Modified: 2024-03-17T18:54:39Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov