Drought over Western United States (Stills)

  • Released Monday, July 15, 2002
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The product that generated these images is the Normalized Difference Vegetation Index (NDVI), which measures the health of plant life based on their levels of photosynthesis. The NDVI was developed by Compton Tucker, a senior scientist at NASA/Goddard.

NDVI measurments for Arizona during May, 2002.

NDVI measurments for Arizona during May, 2002.

NDVI measurements for Colorado, Oklahoma, and New Mexico during May, 2002.

NDVI measurements for Colorado, Oklahoma, and New Mexico during May, 2002.

NDVI measurements for Utah, Colorado, New Mexico, and Arizona during May, 2002.

NDVI measurements for Utah, Colorado, New Mexico, and Arizona during May, 2002.

NDVI measurements for North and South Dakota during May, 2002.

NDVI measurements for North and South Dakota during May, 2002.

NDVI measurements for Wyoming, Montana, and the Dakotas during May, 2002.

NDVI measurements for Wyoming, Montana, and the Dakotas during May, 2002.

Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

This page was originally published on Monday, July 15, 2002.
This page was last updated on Wednesday, May 3, 2023 at 1:57 PM EDT.

Datasets used in this visualization

Note: While we identify the data sets used in these visualizations, we do not store any further details, nor the data sets themselves on our site.