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dc.contributor.authorBeguería, Santiagoes_ES
dc.contributor.authorVicente Serrano, Sergio M.es_ES
dc.date.accessioned2017-07-25T09:17:29Z-
dc.date.available2017-07-25T09:17:29Z-
dc.date.issued2017-07-25-
dc.identifier.citationSPEIbase v.2.5 [Dataset], 2017-
dc.identifier.urihttp://hdl.handle.net/10261/153475-
dc.descriptionThe 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).es_ES
dc.description.abstractGlobal 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 v2.4 (http://digital.csic.es/handle/10261/128892).-- What’s new in version 2.5: 1) Data has been extended to the period 1901-2015 (it was 1901-2014 in v 2.4), based on the CRU TS3.24.01 dataset. 2) A bug on versions 2.2 to 2.4 of the dataset has been corrected that prevented correctly reading the ETo data in mm/month-- For more details on the SPEI visit http://sac.csic.es/spei.es_ES
dc.relation.isreferencedbyVicente-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.-
dc.relation.isreferencedbyVicente-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.-
dc.rightsopenAccesses_ES
dc.subjectSPEI, Drought, Drought Index, Standardized Precipitation-Evapotranspiration Index, Precipitation, Evapotranspiration, Global Warming, Climate change, Climatology, Climate data, Global dataes_ES
dc.titleSPEIbase v.2.5 [Dataset]es_ES
dc.typedatasetes_ES
dc.identifier.doihttp://dx.doi.org/10.20350/digitalCSIC/8508-
dc.description.peerreviewedPeer reviewedes_ES
dc.rights.licenseOpen Database License ODbL 1.0 license-
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
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Files in This Item:
File Description SizeFormat 
spei01.ncGlobal 01-month 1901-2015 SPEI350,42 MBNetCDF fileView/Open
spei02.ncGlobal 02-month 1901-2015 SPEI351,16 MBNetCDF fileView/Open
spei03.ncGlobal 03-month 1901-2015 SPEI351,63 MBNetCDF fileView/Open
spei04.ncGlobal 04-month 1901-2015 SPEI350,75 MBNetCDF fileView/Open
spei05.ncGlobal 05-month 1901-2015 SPEI352,12 MBNetCDF fileView/Open
spei06.ncGlobal 06-month 1901-2015 SPEI351,04 MBNetCDF fileView/Open
spei07.ncGlobal 07-month 1901-2015 SPEI349,39 MBNetCDF fileView/Open
spei08.ncGlobal 08-month 1901-2015 SPEI348,75 MBNetCDF fileView/Open
spei09.ncGlobal 09-month 1901-2015 SPEI349,01 MBNetCDF fileView/Open
spei10.ncGlobal 10-month 1901-2015 SPEI349,48 MBNetCDF fileView/Open
spei11.ncGlobal 11-month 1901-2015 SPEI350,11 MBNetCDF fileView/Open
spei12.ncGlobal 12-month 1901-2015 SPEI347,36 MBNetCDF fileView/Open
spei13.ncGlobal 13-month 1901-2015 SPEI347,15 MBNetCDF fileView/Open
spei14.ncGlobal 14-month 1901-2015 SPEI349,69 MBNetCDF fileView/Open
spei15.ncGlobal 15-month 1901-2015 SPEI348,12 MBNetCDF fileView/Open
spei16.ncGlobal 16-month 1901-2015 SPEI346,49 MBNetCDF fileView/Open
spei17.ncGlobal 17-month 1901-2015 SPEI347,13 MBNetCDF fileView/Open
spei18.ncGlobal 18-month 1901-2015 SPEI346,42 MBNetCDF fileView/Open
spei19.ncGlobal 19-month 1901-2015 SPEI348,13 MBNetCDF fileView/Open
spei20.ncGlobal 20-month 1901-2015 SPEI347,01 MBNetCDF fileView/Open
spei21.ncGlobal 21-month 1901-2015 SPEI345,73 MBNetCDF fileView/Open
spei22.ncGlobal 22-month 1901-2015 SPEI348 MBNetCDF fileView/Open
spei23.ncGlobal 23-month 1901-2015 SPEI344,13 MBNetCDF fileView/Open
spei24.ncGlobal 24-month 1901-2015 SPEI343,8 MBNetCDF fileView/Open
spei25.ncGlobal 25-month 1901-2015 SPEI344,83 MBNetCDF fileView/Open
spei26.ncGlobal 26-month 1901-2015 SPEI345,53 MBNetCDF fileView/Open
spei27.ncGlobal 27-month 1901-2015 SPEI344,77 MBNetCDF fileView/Open
spei28.ncGlobal 28-month 1901-2015 SPEI344,35 MBNetCDF fileView/Open
spei29.ncGlobal 29-month 1901-2015 SPEI342,58 MBNetCDF fileView/Open
spei30.ncGlobal 30-month 1901-2015 SPEI343,39 MBNetCDF fileView/Open
spei31.ncGlobal 31-month 1901-2015 SPEI342,33 MBNetCDF fileView/Open
spei32.ncGlobal 32-month 1901-2015 SPEI344,24 MBNetCDF fileView/Open
spei33.ncGlobal 33-month 1901-2015 SPEI343,28 MBNetCDF fileView/Open
spei34.ncGlobal 34-month 1901-2015 SPEI340,94 MBNetCDF fileView/Open
spei35.ncGlobal 35-month 1901-2015 SPEI343,1 MBNetCDF fileView/Open
spei36.ncGlobal 36-month 1901-2015 SPEI342,29 MBNetCDF fileView/Open
spei37.ncGlobal 37-month 1901-2015 SPEI343,55 MBNetCDF fileView/Open
spei38.ncGlobal 38-month 1901-2015 SPEI339,71 MBNetCDF fileView/Open
spei39.ncGlobal 39-month 1901-2015 SPEI339,89 MBNetCDF fileView/Open
spei40.ncGlobal 40-month 1901-2015 SPEI339,74 MBNetCDF fileView/Open
spei41.ncGlobal 41-month 1901-2015 SPEI338,95 MBNetCDF fileView/Open
spei42.ncGlobal 42-month 1901-2015 SPEI339,46 MBNetCDF fileView/Open
spei43.ncGlobal 43-month 1901-2015 SPEI340,04 MBNetCDF fileView/Open
spei44.ncGlobal 44-month 1901-2015 SPEI339,82 MBNetCDF fileView/Open
spei45.ncGlobal 45-month 1901-2015 SPEI337,52 MBNetCDF fileView/Open
spei46.ncGlobal 46-month 1901-2015 SPEI340,02 MBNetCDF fileView/Open
spei47.ncGlobal 47-month 1901-2015 SPEI338,65 MBNetCDF fileView/Open
spei48.ncGlobal 48-month 1901-2015 SPEI339,42 MBNetCDF fileView/Open
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