Climate data guide content with tag SPI

  • Standardized Precipitation Index (SPI) Standardized Precipitation Index (SPI)

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    The Standardized Precipitation Index (SPI) is a widely used index to characterize meteorological drought on a range of timescales. On short timescales, the SPI is closely related to soil moisture, while at longer timescales, the SPI can be related to groundwater and reservoir storage. The SPI can be compared across regions with markedly different climates. It quantifies…

    Main variables and Earth System components

    Atmosphere Precipitation Land Drought

      • Formats

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      • Timestep

      • Monthly

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