Unvegetated to vegetated ratio of marsh units in Connecticut salt marshes
Dates
Publication Date
2023-10-23
Citation
Ackerman, K.V., Defne, Z., and Ganju, N.K., 2023, Geospatial characterization of salt marshes in Connecticut (ver. 2.0, April 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P96QND48.
Summary
This data release contains coastal wetland synthesis products for the state of Connecticut. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, wave power, and exposure potential to environmental health stressors 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 vulnerability and ecosystem service potential of these wetlands. For this purpose, the [...]
Summary
This data release contains coastal wetland synthesis products for the state of Connecticut. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, wave power, and exposure potential to environmental health stressors 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 vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands to physical factors need to be assessed in terms of the ensuing change to their vulnerability and ecosystem services. This project has been funded in part by the United States Environmental Protection Agency under assistance agreement DW-014-92531201-1 to N. Ganju.
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UVVR_CT_Browse.png “Unvegetated to vegetated ratio of marsh units in Connecticut salt marshes”
1.08 MB
image/png
Shapefile:
mu_UVVR_CT.zip
mu_UVVR_CT.xml Original FGDC Metadata
View
37.98 KB
mu_UVVR_CT.CPG
5 Bytes
mu_UVVR_CT.dbf
190.54 KB
mu_UVVR_CT.lyrx
33.08 KB
mu_UVVR_CT.prj
425 Bytes
mu_UVVR_CT.sbn
24.33 KB
mu_UVVR_CT.sbx
836 Bytes
mu_UVVR_CT.shp
13.77 MB
mu_UVVR_CT.shx
19.62 KB
mu_UVVR_CT.sld
9.36 KB
Purpose
The purpose of this shapefile is to calculate the ratio of unvegetated area to vegetated area in each marsh unit. Analysis of the unvegetated to vegetated marsh ratio (UVVR) is part of a comprehensive assessment to identify the factors and their weights in determining the vulnerability and resiliency of salt marshes. UVVR is defined as a potential indicator of the current state of a salt marsh unit. UVVR is calculated based on U.S. Department of Agriculture National Agriculture Imagery Program (NAIP) 0.6-meter resolution imagery.
Preview Image
Unvegetated to vegetated ratio of marsh units in Connecticut salt marshes