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'Glowing' plants could help scientists predict flash drought
An unusual boost in plant productivity can foreshadow severe soil water loss. NASA satellites are following the clues.
Jordan Gerth, a scientist with the National Weather Service Office of Observations who was not involved in the study, said he was pleased to see work on flash droughts, given our changing climate. Warm temperatures prior to the onset of flash drought tempted plants to increase their carbon uptake compared to normal conditions. Celebrating its 10th year in orbit this summer, the OCO-2 satellite maps natural and human-made and vegetation fluorescence using three camera-like spectrometers tuned to detect the unique light signature of CO2.
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