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PALMER DROUGHT INDEXL.C. NkemdirimUniversity of Calgary, Calgary, Alberta, CanadaEncyclopedia of Atmospheric Sciences
Our goal is to create a drought index that both improves the representation of evaporative dynamics in drought and offers a useful leading indicator of both flash and sustained droughts. This presentation will outline the physical basis for such an index: the Evaporative Demand Drought Index (EDDI...
The daily drought index DEDI dataset has been archived in the online open-access repository Zenodo53, available athttps://doi.org/10.5281/zenodo.7768534. The DEDI dataset is derived from the AET and PET of ERA5 reanalysis data provided by ECMWF. The high-resolution dataset covers global land ...
Near-real time mapping of Keetch-Byram drought index in the south-eastern United States High spatial resolution maps of daily Keetch-Byram Drought Index (KBDI) are constructed for the south-eastern United States. KBDI is a cumulative algorithm... MJ Janis,MB Johnson,G Forthun - 《Internationa...
Comparing the Palmer drought index and the standardized precipitation index. INDEX1. JAWRA Journal of the American Water Resources Association, 34, 113-121.Guttman, N.B., Comparing the Palmer Drought Index and the standardized precipitation index, Journal of the American Water Resources Association (...
Second, perpendicular drought index (PDI) is developed on the basis of spatial characteristics of moisture distribution in NIR–Red space, as well as the relationships between PDI and soil moisture is examined. Validation work includes: comparison of PDI with in-situ drought index obtained from ...
Recently a new drought indicator, the Standardised Precipitation-Evapotranspiration Index (SPEI), has been proposed to quantify the drought condition over a given area. The SPEI considers not only precipitation but also evapotranspiration (PET) data on its calculation, allowing for a more complete appr...
(redirected fromDrought Severity Index) AcronymDefinition DSIDecision Sciences Institute DSIDYWIDAG Systems International DSIDeep Sky Imager(astrophotography) DSIDepartment of Special Investigation(Thailand) DSIData Systems, Inc.(various locations) DSIDirecteur des Systèmes d'Information(French: Director of Inf...
The Standardized Precipitation Index ( SPI ) is the most widely used index to characterize droughts that are related to precipitation deficiencies. However, the SPI does not always deliver the relevant information for hydrological drought management particularly in snow-influenced catchments. If precipitat...