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Explaining Vegetation Greening Trends in Yellowstone

Submitted by ORNL DAAC Staff on 2020-03-26
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Trends in maximum annual NDVI for natural vegetation within the Greater Yellowstone Ecosystem (GYE) from 1989 to 2014 (Emmett et al. 2019).

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Daymet and North American Carbon Program (NACP) data were used to study Normalized Difference Vegetation Index (NDVI) trends across the Greater Yellowstone Ecosystem.

Wildfire Burn Severity Across Alaska and Canada

Submitted by ORNL DAAC Staff on 2018-07-18
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The differenced Normalized Burned Ratio (dNBR) for a burn scar from fires in 2015 within ABoVE grid tile Bh05Bv03. A higher dNBR indicates a higher fire severity.

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New data from NASA's ABoVE campaign provides a high-resolution record of differenced Normalized Burned Ratio (dNBR) for fires from 1985-2015.