Shoreline Change - Historic Shoreline by state

Jul 26, 2017
Uploaded by Tosha Comendant
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Description:
There are critical needs for a nationwide compilation of reliable shoreline data. To meet these needs, the USGS has produced a comprehensive database of digital vector shorelines by compiling shoreline positions from pre-existing historical shoreline databases and by generating historical and modern shoreline data. Shorelines are compiled by state and generally correspond to one of four time periods: 1800s, 1920s-1930s, 1970s, and 1997-2002. Each shoreline may represent a compilation of data from one or more sources for one or more dates provided by one or more agencies. Details regarding source are provided in the 'Data Quality Information' section of this metadata report. Shoreline vectors derived from historic sources (first three time periods) represent the high water line at the time of the survey, whereas modern shorelines (final time period) represent the mean high water line.
Data Provided By:
jomalley
Map Service URL:
https://coastalmap.marine.usgs.gov/cmgp/rest/services/National/slc_HistoricShoreline/MapServer/
Content date:
not specified
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not specified
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not specified
Use Constraints:
U.S. Geological Survey
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FGDC Standard Metadata XML
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Original Metadata XML
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Dataset Type:
External Map Service (ArcGIS)
Tags:
u.s. geological survey, whcmsc, gulf of mexico, usgs, united states, pacific ocean, coastal and marine geology program, historic shorelines, cmgp, woods hole coastal and marine science center, hawaiian islands, atlantic ocean

About the Uploader

Tosha Comendant
Senior Conservation Scientist with Conservation Biology Institute

Senior Scientist at Conservation Biology Institute working on the conversion of scientific knowledge into conservation practice. Team lead for Conservation Planning and Management.I am one of the creators of Data Basin, a science-based mapping and analysis platform that supports education, research,...