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The purpose of this dataset is to provide a seamless elevation/bathymetry grid as a basemap layer for the work in the Corsica River Estuary.
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NED_UTM18 = project(ned_37057094, geog2utm, bilinear).Effectively what this does is project ned_37057094 using the parameters supplied in the file geog2utm using a bilinear interpolation method. The contents of geog2utm are as follows:
INPUT PROJECTION GEOGRAPHIC UNITS DD DATUM NAD83 PARAMETERS OUTPUT PROJECTION UTM UNITS METERS ZONE 18 DATUM NAD83 PARAMETERSEND Data sources used in this process:
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Are there legal restrictions on access or use of the data?Access_Constraints: None.
Use_Constraints:The public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey and the National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS) as the originators of the individual datasets. These data are not to be used for navigation.
Neither the U.S. government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Data format: | The WinZip (version 9.0) files contains the ESRI binary grid as well as the associated metadata files. in format AIG (version ArcGIS 9.2) Size: 0.383 |
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Network links: |
https://pubs.usgs.gov/of/2010/1094/html/catalog.html https://pubs.usgs.gov/of/2010/1094/data/basemap/elevation.zip |
Media you can order: | DVD-ROM (Density 4.75 GBytes) (format UDF) |
The data are provided in a WinZip compressed file. The user must have software capable of uncompressing the archive. Additionally, once uncompressed the data are in the ESRI binary grid format. The user must have software capable of displaying this data format. The binary grid is actually made up of two folders, an info folder and the folder with the grid name. Both folders, and their relative path structure are necessary to fully utilize the data.