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1. Impervious Surface Analysis Tool (ISAT) [NOAA_ISAT]
The Impervious Surface Analysis Tool (ISAT), which is available as a geographic information system extension, is used to calculate the percentage of impervious surface area within user-selected geographic ...

2. Nonpoint Source Pollution and Erosion Comparison Tool (N-SPECT) [NOAA_N-SPECT]
Nonpoint Source Pollution and Erosion Comparison Tool (N-SPECT) is a complex yet user-friendly geographic information system (GIS) extension that helps coastal managers and local decision makers predict ...

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