Data

The Coastal Marsh Project (CMP) used two streams of data to produce a model of vulnerability to degradation: USDA National Wetlands Inventory (NWI) data, and Landsat Thematic Mapper (TM) satellite images. The imagery were processed using PCI image processing software. The NWI quadrangles were processed using ARC/INFO software. In producing a final product, reference data layers produced by ESRI, Inc. were integrated with the other data sets in the ARC/INFO geographic information system (GIS) software package.

The data were processed using a Unix platform across the University of Maryland Glue network. The GIS and image processing software were current versions through all CMP operations.

• Marsh Surface Condition Index Data

• Data products

• Data Acquisition

• National Wetlands Inventory
• Landsat Thematic Mapper Images
• ArcUSA GIS data

• Data Processing

• National Wetlands Inventory
• Landsat Thematic Mapper Images
• ArcUSA GIS data

• Processing the Coastal Marsh Project Marsh Health Index

• Atmospheric correction
• Cloud cover masking
• Mixture modeling
• MSCI processing

• Metadata

• Metadata