The indicators and indices listed are based from the IDMP Handbook on Drought Indicators and Indices and have been drawn from IDMP and partner literature and online searches. They are categorized by type and ease of use, and grouped into the following classifications: (a) meteorology, (b) soil moisture, (c) hydrology, (d) remote sensing and (e) composite or modelled. Although listed by ‘ease of use’, it is possible that any, all or none of the indicators may be suitable for a particular application, based on user knowledge, needs, data availability and computer resources available to implement them. The resource needs increase from green to yellow to red, as outlined below. Again, the simplest index/indicator is not necessarily the best one to use.
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