Spei curitiba torres. It was developed by Vicente-Serrano et al.

Spei curitiba torres. It has a multi-scale character, providing SPEI time-scales between 1 and 48 months. SPEI is calculated from difference between precipitation (P) and potential evapotranspiration (PET). The Global SPEI database, SPEIbase, offers long-time, robust information about drought conditions at the global scale, with a 0. It was developed by Vicente-Serrano et al. 2016) use reference evapotranspiration (Ref. Mar 18, 2025 · The SPEI combines the sensitivity of the Palmer drought severity Index (PDSI) to changes in evapotranspiration with the straightforward calculations and multiscale characteristics of the standardized precipitation index (SPI). [1] The Standardized Precipitation Evapotranspiration Index (SPEI) is a drought index that measures the difference between water supply (precipitation) and water demand (potential evapotranspiration). (2010) at the Pyrenean Institute of Ecology in Zaragoza, Spain. What is the Standardized Precipitation Evapotranspiration Index (SPEI)? SPEI is a drought index that uses water balance (precipitation minus PET) to assess drought severity, incorporating temperature effects. 5 degrees spatial resolution and a monthly time resolution. The SPEI is a multiscalar drought index based on climatic data. As a result, it incorporates the attributes of both the SPI and the PDSI. It can be used for determining the onset, duration and magnitude of drought conditions with respect to normal conditions in a variety of natural and managed systems such as crops, ecosystems, rivers, water resources, etc. Apr 29, 2025 · The Standardized Precipitation Evapotranspiration Index (SPEI) is an extension of the widely used Standardized Precipitation Index (SPI). Both the Standardized Precipitation Evapotranspiration Index (SPEI) and Evaporative Demand Drought Index (EDDI) (Hobbins et al. To combine the advantages of both SPI and PDSI, the Standardized Precipitation Evapotranspiration Index (SPEI) was developed. The SPEI is a multiscalar drought index based on climatic data. The SPEI is designed to take into account both precipitation and potential evapotranspiration (PET) in determining drought. . Feb 25, 2022 · The Standardized Precipitation-Evapotranspiration Index (SPEI) is used for the analysis and monitoring of drought events. ET), based on the American Society of Civil Engineers (ASCE) Standardized Ref. The Standardized Precipitation Evapotranspiration Index (SPEI) is a multiscalar drought index based on climatic data. The SPEI is based on the climatic water balance, which is the difference between precipitation and potential evapotranspiration. ET equation, which, in turn, is driven by NCEP CDAS meteorological input variables. m6g dk3 gpfnzi u4fh g2wifp bxn6 koppkn xh v8rb f6ltl