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Mean tidal range in marsh units of Jamaica Bay to western Great South Bay salt marsh complex, New York

Dates

Publication Date
Time Period
2019

Citation

Welk, R., Defne, Z., and Ganju, N.K., 2019, Coastal wetlands from Jamaica Bay to western Great South Bay, New York: U.S. Geological Survey data release, https://doi.org/10.5066/P9GAGLXB.

Summary

This data release contains coastal wetland synthesis products for the geographic region from Jamaica Bay to western Great South Bay, located in southeastern New York State. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, 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 [...]

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Attached Files

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MN.png
“Browse Graphic”
thumbnail 257.49 KB image/png
Shapefile: mu_MN_JB.zip
mu_MN_JB.cpg 5 Bytes
mu_MN_JB.dbf 172.71 KB
mu_MN_JB.prj 425 Bytes
mu_MN_JB.sbn 24.32 KB
mu_MN_JB.sbx 1.65 KB
mu_MN_JB.shp 16.5 MB
mu_MN_JB.shx 19 KB
mu_MN_JB.sld 13.56 KB
mu_MN_JB_FGDC.xml
Original FGDC Metadata

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23.97 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 of America. 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) in the Jamaica Bay salt marsh complex. MN was based on the calculated difference in height between mean high water (MHW) and mean low water (MLW) using the VDatum (v3.5) database ( http://vdatum.noaa.gov/ ).

Additional Information

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