Earth  ID: 2493

Drought over Western United States (Stills)

Visualizations by Joycelyn Thomson Released on July 15, 2002
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.
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NDVI measurments for Arizona during May, 2002.
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NDVI measurements for Colorado, Oklahoma, and New Mexico during May, 2002.
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NDVI measurements for Utah, Colorado, New Mexico, and Arizona during May, 2002.
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NDVI measurements for North and South Dakota during May, 2002.
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NDVI measurements for Wyoming, Montana, and the Dakotas during May, 2002.

Visualization Credits

Joycelyn Thomson (NASA/GSFC): Lead Animator
Robert Mahoney (NASA/GSFC): Scientist
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

Short URL to share this page:
https://svs.gsfc.nasa.gov/2493

Data Used:
SPOT-4/VGT-S10/NDVI
May, 2002
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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.

Keywords:
DLESE >> Climatology
SVS >> Drought
DLESE >> Hydrology
SVS >> NDVI
DLESE >> Natural hazards
DLESE >> Soil science
NASA Science >> Earth

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