Monitoring Vegetation Drought Stress

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Climate change is expected to alter precipitation patterns worldwide, potentially increasing chances for drought in places where rainfall decreases over extended periods. Currently, droughts are responsible for $6 to $8 billion in losses each year in the United States alone. Accurate monitoring of drought conditions is vital in helping to mitigate drought impacts.

Overview

VegDRI

VegDRI

The VegDRI is a hybrid drought index that incorporates multiple sources of input data informative of drought stress.

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QuickDRI

QuickDRI

Similar in methodology to VegDRI, QuickDRI is a hybrid drought index that incorporates multiple sources of input data informative of drought or rapidly drying conditions.

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News

Date published: November 7, 2019

MIrAD Version 4 (250-Meter Resolution and 1-Kilometer Resolution) Dataset Released

The Moderate Resolution Imaging Spectroradiometer (MODIS) Irrigated Agriculture Dataset for the United States (MIrAD-US) suite of irrigation products was developed by the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center.

Date published: January 29, 2019

QuickDRI, VegDRI Showed Their Value in Montana Drought of 2017

In the spring of 2017, almost no one in Montana saw the drought coming. Not when winter snowpack and early rains soaked the landscapes with adequate moisture. Not when springtime green-up seemed to hold such promise.