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Standard deviation of the vegetated fraction in coastal wetlands along the U.S. Atlantic Coast (16-bit GeoTIFF)

Dates

Publication Date
Time Period
2021

Citation

Couvillion, B.R., Ganju, N.K., and Defne, Z., 2021, An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the Conterminous United States (2014-2018): U.S. Geological Survey data release, https://doi.org/10.5066/P97DQXZP.

Summary

Prior research has shown that sediment budgets, and therefore stability, of microtidal marsh complexes scale with areal unvegetated to vegetated marsh ratios (UVVR) suggesting these metrics are broadly applicable indicators of microtidal marsh vulnerability. This effort has developed the UVVR metric using Landsat 8 satellite imagery for the coastal areas of the contiguous United States (CONUS). These datasets provide annual averages of 1) developed, 2) vegetated, 3) unvegetated fractional covers and 4) an unvegetated to vegetated ratio (UVVR) at 30-meter resolution over the coastal areas of the contiguous United States for the years 2014-2018. Additionally, multi-year average values of vegetated fractional cover and its standard deviation [...]

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Extension: ATL_composite_veg_std_cmp.zip
ATL_composite_veg_std_cmp.png thumbnail 2.12 MB
ATL_composite_veg_std_cmp.sld 1.52 KB
ATL_composite_veg_std_cmp.tif 278.72 MB
ATL_composite_veg_std_cmp.tif.ovr 25.94 MB

Purpose

These datasets are provided as objective and consistent means to help evaluate geomorphic status and vulnerability of coastal wetlands at a national scale. Specifically, the unvegetated to vegetated marsh ratio (UVVR) is useful for establishing vegetative cover status and for tracking changes in the status of salt marshes.

Additional Information

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