1998
DOI: 10.1111/j.1752-1688.1998.tb05964.x
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COMPARING THE PALMER DROUGHT INDEX AND THE STANDARDIZED PRECIPITATION INDEX1

Abstract: The Palmer Drought Index (PDI) is used as an indicator of drought severity, and a particular index value is often the signal to begin or discontinue elements of a drought contingency plan. The Standardized Precipitation Index (SPI) was recently developed to quantify a precipitation deficit for different time scales. It was designed to be an indicator of drought that recognizes the importance of time scales in the analysis of water availability and water use. This study compares historical time series of the PD… Show more

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Cited by 1,000 publications
(652 citation statements)
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“…noaa.gov/pub/data/cirs/). These products are based on rain gauge and air temperature data that have been area averaged at the climate division scale (Guttman and Quayle 1996). For this study, the Palmer datasets were regridded to the 10-km ALEXI grid, maintaining constant values over climate division polygons.…”
Section: (V) Summarymentioning
confidence: 99%
“…noaa.gov/pub/data/cirs/). These products are based on rain gauge and air temperature data that have been area averaged at the climate division scale (Guttman and Quayle 1996). For this study, the Palmer datasets were regridded to the 10-km ALEXI grid, maintaining constant values over climate division polygons.…”
Section: (V) Summarymentioning
confidence: 99%
“…De acordo com Mckee et al (1993); Guttman (1998;1999);Heim Junior (2002);Blain (2005), uma das vantagens da utilização do SPI para o monitoramento da seca é a habilidade desse índice em ser estimado para diversas escalas temporais. Para Hayes et al (1999), essa habilidade torna o SPI um valioso método para estudos de disponibilidade hídrica, de curta ou longa duração.…”
Section: Aplicação Do Ipp-etp Em Demais Escalas Temporaisunclassified
“…A interpretação da variação da escala temporal de cálculo do IPP-ETP é similar a do SPI, indicada em Mckee et al (1993), Guttman (1998Guttman ( , 1999, Heim Junior (2002), Blain (2005) e exemplifica na figura 7.…”
Section: Aplicação Do Ipp-etp Em Demais Escalas Temporaisunclassified
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