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Service Description: The 1937/1938/1949 shoreline was digitzed from historic aerial photography that were orthorectified in ERDAS by the Shoreline Studies Program and the 2009 and 2017 shorelines was digitized from the Virginia Base Mapping Program (VBMP) orthophotography for Chesapeake Bay region in Virginia. The digital orthophotography was acquired and processed by VBMP. Localities included are Accomack, Northampton, City of Virgnia Beach, City of Norfolk, City of Hampton, Gloucester, Middlesex, Mathews,Northumberland and Northampton. 2009 was digitized and EPR calculated for all counties and up the rivers and creeks. 2017 the bayside and main rivers were digitized and EPR calculated.The other areas are in progress.
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Copyright Text: Acknowledgement of the Virginia Institute of Marine Science, Shoreline Studies Program is required for any value-added data sets derived from these data. Distribution of this dataset allows various users the ability to visualize the information in a Geographic Information System.
Spatial Reference:
26918
(26918)
Initial Extent:
XMin: 304595.52189745917
YMin: 4227040.183712429
XMax: 355073.4311113693
YMax: 4243909.65951307
Spatial Reference: 26918
(26918)
Full Extent:
XMin: 284067.7176999999
YMin: 4045745.6220999993
XMax: 479057.52969932556
YMax: 4296106.3781
Spatial Reference: 26918
(26918)
Units: esriMeters
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Comments: The 1937/1938 shoreline was digitzed from historic aerial photography that were orthorectified in ERDAS by the Shoreline Studies Program and the 2009 and 2017 shorelines was digitized from the Virginia Base Mapping Program (VBMP) orthophotography for Chesapeake Bay region in Virginia. The digital orthophotography was acquired and processed by VBMP. Localities included are Accomack, Northampton, City of Virgnia Beach, City of Norfolk, City of Hampton, Gloucester, Middlesex, Mathews,Northumberland and Northampton. 2009 was digitized and EPR calculated for all counties and up the rivers and creeks. 2017 only the counties with bay side shores were included and only the bay side. No river or creeks were digitized or EPR calculated for 2017.
Subject: Shoreline change data created using 1937/38 and 2009 and 2017 data that was acquired, rectified , digitized and processed by Shoreline Studies Program
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Keywords: Chesapeak Bay,County,EPR,shoreline change
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