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Título: 

SPEIbase v.2.7 [Dataset]

Autor: Beguería, Santiago CSIC ORCID ; Vicente Serrano, Sergio M. CSIC ORCID ; Reig-Gracia, Fergus CSIC ORCID ; Latorre Garcés, Borja CSIC ORCID
Palabras clave: SPEI
Drought
Drought Index
Standardized Precipitation-Evapotranspiration Index
Precipitation
Evapotranspiration
Global Warming
Climate change
Climatology
Climate data
Global data
Tesauro AGROVOC: Sequía
Climatología
Cambio climático
Fecha de publicación: abr-2022
Editor: DIGITAL.CSIC
Citación: Beguería, Santiago; Vicente Serrano, Sergio M.; Reig-Gracia, Fergus; Latorre Garcés, Borja; 2022; SPEIbase v.2.7 [Dataset]; DIGITAL.CSIC; Version 2.7; https://doi.org/10.20350/digitalCSIC/14612
Resumen: Global gridded dataset of the Standardized Precipitation-Evapotranspiration Index (SPEI) at time scales between 1 and 48 months.-- Spatial resolution of 0.5º lat/lon.-- This is an update of the SPEIbase v2.6 (https://digital.csic.es/handle/10261/202305).-- What’s new in version 2.7: 1) Based on the CRU TS 4.05 dataset, spanning the period between January 1901 to December 2020. Using TLMoments::PWM instead of lmomco::pwm.ub for calculating distribution parameters. For more details on the SPEI visit http://sac.csic.es/spei
Descripción: The Global 0.5° gridded SPEI dataset is made available under the Open Database License. Any rights in individual contents of the database are licensed under the Database Contents License. Users of the dataset are free to share, create and adapt under the conditions of attribution and share-alike. The Global SPEI database, SPEIbase, offers long-time, robust information on the drought conditions at the global scale, with a 0.5 degrees spatial resolution and a monthly time resolution. It has a multi-scale character, providing SPEI time-scales between 1 and 48 months. The Standardized Precipitatin-Evapotranspiration Index (SPEI) expresses, as a standardized variate (mean zero and unit variance), the deviations of the current climatic balance (precipitation minus evapotranspiration potential) with respect to the long-term balance. The reference period for the calculation, in the SPEIbase, corresponds to the whole study period. Being a standardized variate means that the SPEI condition can be compared across space and time. Calculation of the evapotranspiration potential in SPEIbase is based on the FAO-56 Penman-Monteith method. Data type: float; units: z-values (standard deviations). No land pixels are assigned a value of 1.0x10^30. In some rare cases it was not possible to achieve a good fit to the log-logistic distribution, resulting in a NAN (not a number) value in the database. Dimensions of the dataset: lon = 720; lat = 360; time = 1356. Resolution of the dataset: lon = 0.5º; lat = 0.5º; time = 1 month. Created in R using the SPEI package (http://cran.r-project.org/web/packages/SPEI).
Versión del editor: http://sac.csic.es/spei/
URI: http://hdl.handle.net/10261/268088
DOI: 10.20350/digitalCSIC/14612
Referencias: Vicente-Serrano S.M., Beguería S., López-Moreno J.I., 2010: A Multi-scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23(7), 1696-1718, DOI: 10.1175/2009JCLI2909.1.-- http://digital.csic.es/handle/10261/22405.
Vicente-Serrano S.M., Beguería S., López-Moreno J.I., Angulo M., El Kenawy A. (2010) A global 0.5° gridded dataset (1901-2006) of a multiscalar drought index considering the joint effects of precipitation and temperature. Journal of Hydrometeorology 11(4), 1033-1043, DOI: 10.1175/2010JHM1224.1.-- http://digital.csic.es/handle/10261/23906.
Aparece en las colecciones: (EEAD) Conjuntos de datos
(IPE) Conjuntos de datos
(EEAD) SPEIbase

Ficheros en este ítem:
Fichero Descripción Tamaño Formato
spei01.ncGlobal 01-month 1901-2020 SPEI363,9 MBNetCDFVisualizar/Abrir
spei02.ncGlobal 02-month 1901-2020 SPEI361,56 MBNetCDFVisualizar/Abrir
spei03.ncGlobal 03-month 1901-2020 SPEI364,22 MBNetCDFVisualizar/Abrir
spei04.ncGlobal 04-month 1901-2020 SPEI363,77 MBNetCDFVisualizar/Abrir
spei05.ncGlobal 05-month 1901-2020 SPEI361,88 MBNetCDFVisualizar/Abrir
spei06.ncGlobal 06-month 1901-2020 SPEI359,49 MBNetCDFVisualizar/Abrir
spei07.ncGlobal 07-month 1901-2020 SPEI359,11 MBNetCDFVisualizar/Abrir
spei08.ncGlobal 08-month 1901-2020 SPEI358,26 MBNetCDFVisualizar/Abrir
spei09.ncGlobal 09-month 1901-2020 SPEI361,06 MBNetCDFVisualizar/Abrir
spei10.ncGlobal 10-month 1901-2020 SPEI358,86 MBNetCDFVisualizar/Abrir
spei11.ncGlobal 11-month 1901-2020 SPEI360,42 MBNetCDFVisualizar/Abrir
spei12.ncGlobal 12-month 1901-2020 SPEI359,51 MBNetCDFVisualizar/Abrir
spei13.ncGlobal 13-month 1901-2020 SPEI358,87 MBNetCDFVisualizar/Abrir
spei14.ncGlobal 14-month 1901-2020 SPEI358,63 MBNetCDFVisualizar/Abrir
spei15.ncGlobal 15-month 1901-2020 SPEI358,37 MBNetCDFVisualizar/Abrir
spei16.ncGlobal 16-month 1901-2020 SPEI358,09 MBNetCDFVisualizar/Abrir
spei17.ncGlobal 17-month 1901-2020 SPEI357,81 MBNetCDFVisualizar/Abrir
spei18.ncGlobal 18-month 1901-2020 SPEI357,98 MBNetCDFVisualizar/Abrir
spei19.ncGlobal 19-month 1901-2020 SPEI357,75 MBNetCDFVisualizar/Abrir
spei20.ncGlobal 20-month 1901-2020 SPEI357,47 MBNetCDFVisualizar/Abrir
spei21.ncGlobal 21-month 1901-2020 SPEI355,81 MBNetCDFVisualizar/Abrir
spei22.ncGlobal 22-month 1901-2020 SPEI355,68 MBNetCDFVisualizar/Abrir
spei23.ncGlobal 23-month 1901-2020 SPEI356,52 MBNetCDFVisualizar/Abrir
spei24.ncGlobal 24-month 1901-2020 SPEI353,84 MBNetCDFVisualizar/Abrir
spei25.ncGlobal 25-month 1901-2020 SPEI354,56 MBNetCDFVisualizar/Abrir
spei26.ncGlobal 26-month 1901-2020 SPEI353,37 MBNetCDFVisualizar/Abrir
spei27.ncGlobal 27-month 1901-2020 SPEI354,62 MBNetCDFVisualizar/Abrir
spei28.ncGlobal 28-month 1901-2020 SPEI352,73 MBNetCDFVisualizar/Abrir
spei29.ncGlobal 29-month 1901-2020 SPEI352,46 MBNetCDFVisualizar/Abrir
spei30.ncGlobal 30-month 1901-2020 SPEI353,16 MBNetCDFVisualizar/Abrir
spei31.ncGlobal 31-month 1901-2020 SPEI351,61 MBNetCDFVisualizar/Abrir
spei32.ncGlobal 32-month 1901-2020 SPEI352,88 MBNetCDFVisualizar/Abrir
spei33.ncGlobal 33-month 1901-2020 SPEI351,75 MBNetCDFVisualizar/Abrir
spei34.ncGlobal 34-month 1901-2020 SPEI352,45 MBNetCDFVisualizar/Abrir
spei35.ncGlobal 35-month 1901-2020 SPEI352,39 MBNetCDFVisualizar/Abrir
spei36.ncGlobal 36-month 1901-2020 SPEI349,84 MBNetCDFVisualizar/Abrir
spei37.ncGlobal 37-month 1901-2020 SPEI350,72 MBNetCDFVisualizar/Abrir
spei38.ncGlobal 38-month 1901-2020 SPEI350,77 MBNetCDFVisualizar/Abrir
spei39.ncGlobal 39-month 1901-2020 SPEI348,32 MBNetCDFVisualizar/Abrir
spei40.ncGlobal 40-month 1901-2020 SPEI348,28 MBNetCDFVisualizar/Abrir
spei41.ncGlobal 41-month 1901-2020 SPEI349,42 MBNetCDFVisualizar/Abrir
spei42.ncGlobal 42-month 1901-2020 SPEI349,19 MBNetCDFVisualizar/Abrir
spei43.ncGlobal 43-month 1901-2020 SPEI347,82 MBNetCDFVisualizar/Abrir
spei44.ncGlobal 44-month 1901-2020 SPEI347,91 MBNetCDFVisualizar/Abrir
spei45.ncGlobal 45-month 1901-2020 SPEI347,28 MBNetCDFVisualizar/Abrir
spei46.ncGlobal 46-month 1901-2020 SPEI347,77 MBNetCDFVisualizar/Abrir
spei47.ncGlobal 47-month 1901-2020 SPEI347,57 MBNetCDFVisualizar/Abrir
spei48.ncGlobal 48-month 1901-2020 SPEI349,23 MBNetCDFVisualizar/Abrir
README.txt5,35 kBTextVisualizar/Abrir
spei01.nc367,27 MBUnknownVisualizar/Abrir
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