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Unvegetated to vegetated marsh ratio in 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 [...]

Contacts

Attached Files

Click on title to download individual files attached to this item.

UVVR.png
“Browse Graphic”
thumbnail 262.15 KB
Shapefile: mu_UVVR_JB.zip
mu_UVVR_JB.cpg 5 Bytes
mu_UVVR_JB.dbf 172.71 KB
mu_UVVR_JB.prj 425 Bytes
mu_UVVR_JB.sbn 24.32 KB
mu_UVVR_JB.sbx 1.65 KB
mu_UVVR_JB.shp 16.5 MB
mu_UVVR_JB.shx 19 KB
mu_UVVR_JB.sld 9.37 KB

Purpose

The purpose of this shapefile is to calculate ratio of unvegetated area to vegetated area (UVVR)in each marsh unit. Analysis of unvegetated to vegetated marsh ratio is part of a comprehensive assessment to identify the factors and their weights in determining the vulnerability and resiliency of salt marshes. An unvegetated area to vegetated area ratio was defined as a potential indicator of current state of a salt marsh unit. UVVR was calculated based on U.S. Department of Agriculture National Agriculture Imagery Program (NAIP) 1-meter resolution imagery.

Additional Information

Shapefile Extension

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