Drought monitoring using space-based rainfall observations

Using modern weather satellites to monitor rainfall has become a robust, widely practiced technique. However, establishing a reliable context for relating space-based rainfall observations to current and historical ground-based rainfall data has been difficult. Now researchers are using space-based rainfall observations and comparing them to current and historical ground-based rainfall data to observe early warning of drought and famine to monitor rainfall in near real-time, at a high resolution, over most of the globe.

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