Ocean Sediment Thickness Contours

Description

Ocean sediment thickness contours in 200 meter intervals for water depths ranging from 0 - 18,000 meters. These contours were derived from a global sediment thickness grid distributed by the National Geophysical Data Center (NGDC). The NGDC grid was compiled from various existing sediment thickness maps and drilling cores, and has a cell resolution of 5 arc seconds. Sediment thickness data is typically acquired through two methods. Seismic (or sub-bottom) profile technologies rely on powerful pulses of low-frequency sound which penetrate the substrate and return information about substrate thickness, character, and stratification. The data are collected along transect lines and require interpolation to create comprehensive maps. Sediment thickness is also determined by direct measurement through coring, which provides more detailed information but only at discrete sites. Coring data can also be interpolated to form area maps, and to help interpret the seismic data.

General Information

• This data is described at

  http://catalog.data.gov/dataset/ocean-sediment-thickness-contours Do you think this data is incorrect? Let us know

• This data is published by

  National Oceanic and Atmospheric Administration, Department of Commerce Do you think this data is incorrect? Let us know

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• The rights statement is at

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• Outside the US, this data is available under

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• There are

  yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

• The content is available under

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• This data contains

  no data about individuals Do you think this data is incorrect? Let us know

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• The data appears in this collection

  http://catalog.data.gov/organization/noaa-gov Do you think this data is incorrect? Let us know

• This data changes

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• The data is

  backed up offsite Do you think this data is incorrect? Let us know

Technical Information

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  http://catalog.data.gov/api/rest/package/ocean-sediment-thickness-contours Do you think this data is incorrect? Let us know

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