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Título: 

SPEIbase v.2.4 [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
Fecha de publicación: 9-feb-2016
Citación: Beguería, Santiago ; Vicente Serrano, Sergio M.; 2016; SPEIbase v.2.4 [Dataset], DIGITAL.CSIC; http://dx.doi.org/10.20350/digitalCSIC/5577
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 v2.3 (http://hdl.handle.net/10261/104742).-- What’s new in version 2.4: 1) Data has been extended to the period 1901-2014 (it was 1901-2013 in v 2.3), based on the CRU TS3.23 dataset.-- 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/10261/128892
DOI: 10.20350/digitalCSIC/5577
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. http://dx.doi.org/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. http://dx.doi.org/ 10.1175/2010JHM1224.1. http://digital.csic.es/handle/10261/23906.
Beguería S., Vicente-Serrano S., Reig F., Latorre B. (2014) Standardized precipitation evapotranspiration index (SPEI) revisited: Parameter fitting, evapotranspiration models, tools, datasets and drought monitoring. http://dx.doi.org/10.1002/joc.3887. http://digital.csic.es/handle/10261/90646.
Beguería S., Vicente-Serrano S.M., Angulo M. A multi-scalar global drought data set: the SPEIbase. http://dx.doi.org/10.1175/2010BAMS2988.1. http://digital.csic.es/handle/10261/29993.
Aparece en las colecciones: (IPE) Conjuntos de datos
(EEAD) Conjuntos de datos
(EEAD) SPEIbase

Ficheros en este ítem:
Fichero Descripción Tamaño Formato
spei01.ncGlobal 01-month 1901-2014 SPEI323,19 MBNetCDF fileVisualizar/Abrir
spei02.ncGlobal 02-month 1901-2014 SPEI325,06 MBNetCDF fileVisualizar/Abrir
spei03.ncGlobal 03-month 1901-2014 SPEI325,4 MBNetCDF fileVisualizar/Abrir
spei04.ncGlobal 04-month 1901-2014 SPEI324,68 MBNetCDF fileVisualizar/Abrir
spei05.ncGlobal 05-month 1901-2014 SPEI324,18 MBNetCDF fileVisualizar/Abrir
spei06.ncGlobal 06-month 1901-2014 SPEI322,12 MBNetCDF fileVisualizar/Abrir
spei07.ncGlobal 07-month 1901-2014 SPEI322,55 MBNetCDF fileVisualizar/Abrir
spei08.ncGlobal 08-month 1901-2014 SPEI322,19 MBNetCDF fileVisualizar/Abrir
spei09.ncGlobal 09-month 1901-2014 SPEI320,29 MBNetCDF fileVisualizar/Abrir
spei10.ncGlobal 10-month 1901-2014 SPEI323,16 MBNetCDF fileVisualizar/Abrir
spei11.ncGlobal 11-month 1901-2014 SPEI322,94 MBNetCDF fileVisualizar/Abrir
spei12.ncGlobal 12-month 1901-2014 SPEI321,17 MBNetCDF fileVisualizar/Abrir
spei13.ncGlobal 13-month 1901-2014 SPEI322,75 MBNetCDF fileVisualizar/Abrir
spei14.ncGlobal 14-month 1901-2014 SPEI321,02 MBNetCDF fileVisualizar/Abrir
spei15.ncGlobal 15-month 1901-2014 SPEI321,33 MBNetCDF fileVisualizar/Abrir
spei16.ncGlobal 16-month 1901-2014 SPEI320,83 MBNetCDF fileVisualizar/Abrir
spei17.ncGlobal 17-month 1901-2014 SPEI324,4 MBNetCDF fileVisualizar/Abrir
spei18.ncGlobal 18-month 1901-2014 SPEI319,81 MBNetCDF fileVisualizar/Abrir
spei19.ncGlobal 19-month 1901-2014 SPEI321,18 MBNetCDF fileVisualizar/Abrir
spei20.ncGlobal 20-month 1901-2014 SPEI319,02 MBNetCDF fileVisualizar/Abrir
spei21.ncGlobal 21-month 1901-2014 SPEI320,48 MBNetCDF fileVisualizar/Abrir
spei22.ncGlobal 22-month 1901-2014 SPEI317,69 MBNetCDF fileVisualizar/Abrir
spei23.ncGlobal 23-month 1901-2014 SPEI320,57 MBNetCDF fileVisualizar/Abrir
spei24.ncGlobal 24-month 1901-2014 SPEI319,56 MBNetCDF fileVisualizar/Abrir
spei25.ncGlobal 25-month 1901-2014 SPEI319,5 MBNetCDF fileVisualizar/Abrir
spei26.ncGlobal 26-month 1901-2014 SPEI319,82 MBNetCDF fileVisualizar/Abrir
spei27.ncGlobal 27-month 1901-2014 SPEI317,81 MBNetCDF fileVisualizar/Abrir
spei28.ncGlobal 28-month 1901-2014 SPEI316,47 MBNetCDF fileVisualizar/Abrir
spei29.ncGlobal 29-month 1901-2014 SPEI315,86 MBNetCDF fileVisualizar/Abrir
spei30.ncGlobal 30-month 1901-2014 SPEI317,11 MBNetCDF fileVisualizar/Abrir
spei31.ncGlobal 31-month 1901-2014 SPEI318,01 MBNetCDF fileVisualizar/Abrir
spei32.ncGlobal 32-month 1901-2014 SPEI315,61 MBNetCDF fileVisualizar/Abrir
spei33.ncGlobal 33-month 1901-2014 SPEI316,21 MBNetCDF fileVisualizar/Abrir
spei34.ncGlobal 34-month 1901-2014 SPEI316,73 MBNetCDF fileVisualizar/Abrir
spei35.ncGlobal 35-month 1901-2014 SPEI315,23 MBNetCDF fileVisualizar/Abrir
spei36.ncGlobal 36-month 1901-2014 SPEI316,07 MBNetCDF fileVisualizar/Abrir
spei37.ncGlobal 37-month 1901-2014 SPEI315,56 MBNetCDF fileVisualizar/Abrir
spei38.ncGlobal 38-month 1901-2014 SPEI313,97 MBNetCDF fileVisualizar/Abrir
spei39.ncGlobal 39-month 1901-2014 SPEI316,1 MBNetCDF fileVisualizar/Abrir
spei40.ncGlobal 40-month 1901-2014 SPEI314,38 MBNetCDF fileVisualizar/Abrir
spei41.ncGlobal 41-month 1901-2014 SPEI315,53 MBNetCDF fileVisualizar/Abrir
spei42.ncGlobal 42-month 1901-2014 SPEI314,74 MBNetCDF fileVisualizar/Abrir
spei43.ncGlobal 43-month 1901-2014 SPEI313,72 MBNetCDF fileVisualizar/Abrir
spei44.ncGlobal 44-month 1901-2014 SPEI312,84 MBNetCDF fileVisualizar/Abrir
spei45.ncGlobal 45-month 1901-2014 SPEI313,05 MBNetCDF fileVisualizar/Abrir
spei46.ncGlobal 46-month 1901-2014 SPEI314,43 MBNetCDF fileVisualizar/Abrir
spei47.ncGlobal 47-month 1901-2014 SPEI312,76 MBNetCDF fileVisualizar/Abrir
spei48.ncGlobal 48-month 1901-2014 SPEI313,81 MBNetCDF fileVisualizar/Abrir
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