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  3. Geospatial characterization of salt marshes in Connecticut (ver. 2.0, April 2024
  4. Elevation of marsh units in Connecticut salt marshes

Elevation of marsh units in Connecticut salt marshes

Dates

Publication Date

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 [...]

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
SDC Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Elev_CT_Browse.png
“Elevation of marsh units in Connecticut salt marshes” 		thumbnail 1.07 MB image/png
Shapefile: mu_elev_CT.zip
mu_elev_CT.xml
Original FGDC Metadata
View 		32.29 KB
mu_elev_CT.cpg 5 Bytes
mu_elev_CT.dbf 378.61 KB
mu_elev_CT.lyrx 36.37 KB
mu_elev_CT.prj 425 Bytes
mu_elev_CT.sbn 24.33 KB
mu_elev_CT.sbx 836 Bytes
mu_elev_CT.shp 12.32 MB
mu_elev_CT.shx 19.62 KB
mu_elev_CT.sld 9.35 KB

Purpose

The purpose of this shapefile is to calculate the mean elevation for each marsh unit and its vegetated component. Analysis of marsh elevation is part of a comprehensive assessment to identify the factors and their weights in determining the vulnerability and resiliency of salt marshes. Elevation distribution in Connecticut salt marshes is given in terms of mean elevation of conceptual marsh units, as well as the vegetated portion of the marsh unit. The elevation data is based on the 1-meter 2016 CT Lidar DEM.
Elevation of marsh units in Connecticut salt marshes
Elevation of marsh units in Connecticut salt marshes

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