Parent Layer: Coastal Salt Marsh Change - 1 meter of SLR by 2100 Scenario

Name: Salt Marshes (regularly and irregualry flooded) in 2100

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Description: The two data types used for this analysis consisted of predicted landcover maps created by the SLAMM model and federal and state conservation areas. The SLAMM maps that were used were created for The Nature Conservancy by Warren Pinnacle Consulting, Inc. and consisted of predicted landcover maps from 2009 up to the year 2100 with a 10 meter resolution that showed how marshes are predicted to migrate inland due to multiple scenarios of sea-level rise. The SLAMM maps with the 1m sea-level rise scenarios for each project site were selected, where the regularly and irregularly flooded marsh categories were chosen for the analysis.The methodology for this analysis consisted of extracting all areas of irregularly and regularly flooded marshes from the 2100 predicted landcover maps for each project site. The 2100 marsh areas represent all of the marsh areas that either persisted or gained new area by 2100 due to 1m of sea-level rise. The marsh categories were extracted from each 2100 landcover image, reclassified as a Boolean image, and then merged together using the addition operator with the overlay tool in the Idrisi GIS software. <a href='xml/gulfmex_MS_GBN_SaltMarshes_1mSLR_2100.xml' target='_blank'><b>Metadata</b><a></br>

Copyright Text: The Nature Conservancy

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Spatial Reference: 102100  (3857)

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