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  3. Vegetation greenness observations by dune crest elevation, East and West Ship Island, Mississippi 2008-2009

Vegetation greenness observations by dune crest elevation, East and West Ship Island, Mississippi 2008-2009

Dates

Publication Date
Start Date
2008-06-04
End Date
2009-11-14

Citation

Enwright, N.M., and Stelly, S.J., 2023, Vegetation greenness observations by dune crest elevation, East and West Ship Island, Mississippi 2008-2009: U.S. Geological Survey data release, https://doi.org/10.5066/P9A19Q8J.

Summary

This data release provides greenness for the dune crest and nearby backslope of the dune estimated from cloud-free 30-m satellite imagery during the hurricane seasons for 2008 and 2009 for East and West Ship Island, Mississippi. These data also include dune crest elevation from September 2008 produced by the U.S. Geological Survey (https://doi.org/10.5066/F7GF0S0Z).

Contacts

Point of Contact :
Nicholas M Enwright
Originator :
Nicholas M Enwright, Spencer J Stelly
Metadata Contact :
Nicholas M Enwright
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Wetland and Aquatic Research Center
USGS Mission Area :
Ecosystems

Attached Files

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Shapefile: USGS_2008_Dune_Crests_with_Greenness.zip
USGS_2008_Dune_Crests_with_Greenness.shp.xml
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USGS_2008_Dune_Crests_with_Greenness.cpg 5 Bytes
USGS_2008_Dune_Crests_with_Greenness.dbf 91.71 KB
USGS_2008_Dune_Crests_with_Greenness.prj 424 Bytes
USGS_2008_Dune_Crests_with_Greenness.sbn 3.71 KB
USGS_2008_Dune_Crests_with_Greenness.sbx 164 Bytes
USGS_2008_Dune_Crests_with_Greenness.shp 16.94 KB
USGS_2008_Dune_Crests_with_Greenness.shx 3.16 KB

Purpose

Overwash is an important process that enables a barrier island to migrate landward to adapt to rising sea levels but can also impact vegetated areas and create coastal hazards for populated barrier islands. Beach-dune morphology, including beach slope and dune crest elevation, regulates the occurrence of overwash events associated with storms. Overwash occurs when the total water level —surge, tides, and wave-driven setup and run-up — exceed the elevation of the dune crest. Optical remote sensing data can be used to monitor for changes in vegetation greenness over time to evaluate potential impacts from overwash. Data such as these can be used to observe overwash impacts and assess recovery.

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  • USGS Wetland and Aquatic Research Center

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Additional Information

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9A19Q8J

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