At a glance
Tracking persistent water deficits using indicators such as precipitation, soil moisture, streamflow and vegetation response.
Why it matters
Different drought types can affect crops, ecosystems and water-dependent operations at different times.
An operating example
Compare rainfall deficits and vegetation response across sourcing regions before reviewing contingency plans.
Illustrative application, not a live customer result or a guarantee of product availability.
What it does and does not tell you
One dry period or one index is insufficient to characterize every form of drought.
Further reading
Primary references for the underlying concepts; the operating examples above are illustrative.