Parent Layer: Components

Name: Mean Grassland Greenness, Dry Years

Display Field: GNIS_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Average "greenness" (NDVI*) by catchment for grass, hay, and non-woody vegetation during the driest years since 1984 when Landsat data first became available. Five driest years: 1988 (excluded from average due to large data gaps in Landsat grid), 2001-02, 2006, 2012).  Natural cover types only, with developed and cropped lands removed.  *Normalized difference vegetation index (NDVI) is derived from remote sensing data and is an indicator of green vegetation, i.e. biomass.

Copyright Text:

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Spatial Reference: 102100  (3857)

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