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  3. Geospatial characterization of salt marshes on the Eastern Shore of Virginia
  4. Mean tidal range of marsh units in Eastern Shore of Virginia salt marshes

Mean tidal range of marsh units in Eastern Shore of Virginia salt marshes

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Publication Date

Citation

Ackerman, K.V., Defne, Z., and Ganju, N.K., 2023, Geospatial characterization of salt marshes on the Eastern Shore of Virginia: U.S. Geological Survey data release, https://doi.org/10.5066/P9E6V0QK.

Summary

This data release contains coastal wetland synthesis products for the Atlantic-facing Eastern Shore of Virginia (the data release for the Chesapeake Bay-facing portion of the Eastern Shore of Virginia is found here: https://doi.org/10.5066/P997EJYB). Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and tidal range are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the [...]

Contacts

Point of Contact :
Kate V Ackerman
Author :
Kate V Ackerman, Zafer Defne, Neil Kamal Ganju
Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Program :
U.S. Geological Survey, Coastal and Marine Hazards and Resources Program
Publisher :
U.S. Geological Survey
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

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MN_ESV_Browse.png
“Mean tidal range of marsh units on the Eastern Shore of Virginia.” 		thumbnail 991.18 KB image/png
Shapefile: mu_MN_ESV.zip
mu_MN_ESV.xml
Original FGDC Metadata
View 		28.75 KB
mu_MN_ESV.CPG 5 Bytes
mu_MN_ESV.dbf 484.49 KB
mu_MN_ESV.prj 425 Bytes
mu_MN_ESV.sbn 59.89 KB
mu_MN_ESV.sbx 2.23 KB
mu_MN_ESV.shp 44.58 MB
mu_MN_ESV.shx 49.77 KB
mu_MN_ESV.sld 5.33 KB

Purpose

The purpose of this shapefile is to calculate mean tidal range in each marsh unit. Analysis of mean tidal range is part of a comprehensive assessment to identify the factors and their weights in determining the vulnerability and resiliency of salt marshes. Biomass production is positively correlated with mean tidal range in salt marshes along the Atlantic coast of the United States. Recent studies support the idea that enhanced stability of the marshes can be attributed to increased vegetative growth due to increased tidal range. This dataset displays the spatial variation of mean tidal range (i.e., mean range of tides, MN) of marsh units in Eastern Shore of Virginia salt marsh complexes. Mean tidal range, MN, was based on the calculated difference in height between mean high water (MHW) and mean low water (MLW) using the VDatum (v.4.5.1) database (http://vdatum.noaa.gov/).
Mean tidal range of marsh units on the Eastern Shore of Virginia.
Mean tidal range of marsh units on the Eastern Shore of Virginia.

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