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dc.contributor.authorBeguería, Santiago-
dc.contributor.authorVicente Serrano, Sergio M.-
dc.coverage.spatialGlobal-
dc.coverage.temporalstart=1901-01; end=2006-12-
dc.date.accessioned2010-03-17T08:33:08Z-
dc.date.available2010-03-17T08:33:08Z-
dc.date.issued2010-03-
dc.identifier.citationSPEIbase: a global 0.5º gridded SPEI data base (I. NetCDF), 2010-
dc.identifier.urihttp://hdl.handle.net/10261/22449-
dc.descriptionThe dataset is freely available on the web repository of the Spanish National Research Council (CSIC) in three different formats (NetCDF, binary raster, and plain text).-
dc.descriptionFormat: netcdf The netcdf archive is composed of 96 zipped files containing the spei dataset from 1901 to 2006 at 1 to 48 months time scales, separated for the East hemisphere (i.e. Europa, Africa, Asia and Australia) and the West hemisphere (the Americas). Each zipped file contains one single netCDF file (.nc), i.e. no header files are necessary because all necessary meta-data are self-contained in the .nc file. Naming convention spei_[tempscale]_[hemisphere].zip, where [tempscale] is a number between 1 and 48 indicating the temporal scale of the index (months), and [hemisphere] indicates the fraction of the World covered and can have values eh (East hemisphere) or wh (West hemisphere). Example: spei_12_eh.zip-
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. Use of the newest version is recommended. Older versions are still available to allow replicability.-
dc.description.abstractAll currently available gridded drought datasets at continental and global scales are based on either the PDSI or the sc-PDSI. A new global drought dataset based on the Standardised Precipitation-Evapotranspiration Index (SPEI) has been developed, which covers time scales from 1-48 months at a spatial resolution of 0.5°, and provides temporal coverage for the period 1901-2006. This dataset represents an improvement in spatial resolution and operative capability of previous gridded drought datasets based on the PDSI, and enables identification of various drought types.en_US
dc.description.abstractA monthly global dataset of a multiscalar drought index is presented and compared in terms of spatial and temporal variability with the existing continental and global drought datasets based on the Palmer drought severity index (PDSI, scPDSI). The new dataset is based on the standardized precipitation evapotranspiration index (SPEI). The index was obtained from the CRU TS3.0 data, covering time scales from 1 to 48 months for the period 1901-2006, and has a spatial resolution of 0.5°. The advantages of the new dataset are that: i) it improves the spatial resolution of the unique global drought dataset at a global scale; ii) it is spatially and temporally comparable to other datasets, given the probabilistic nature of the SPEI, and, in particular; iii) it enables identification of various drought types, given the multiscalar character of the SPEI. More details at: http://www.eead.csic.es/spei/spei.html-
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dc.language.isoengen_US
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.relation.requiresAll relevant metadata is self-contained in the .nc files, and can be read and displayed by any software allowing netCDF manipulation. Manipulation of netCDF data is usually done at the programming level, and there are several libraries with functions for reading and manipulating netCDF data for a diversity of languages. For more information on the netCDF format and suggested tools, see http://en.wikipedia.org/wiki/NetCDF. Panoply is a cross-platform netCDF viewer developed in Java (http://www.giss.nasa.gov/tools/panoply/). There are other netCDF viewers, such as ncBrowse, ncview, and nCDF_Browser. netCDF data can be accessed and manipulated in the (open source) statistical analysis system R using the package netcdf. Some commercial GIS packages allow reading netCDF data, such as ArcGIS (from version 9.2) and IDRISI Taiga.-
dc.rightsopenAccessen_US
dc.subjectDroughten_US
dc.subjectDrought indexen_US
dc.subjectLog-logistic distributionen_US
dc.subjectStandardized Precipitation Indexen_US
dc.subjectSPIen_US
dc.subjectPrecipitationen_US
dc.subjectEvapotranspirationen_US
dc.subjectGlobal warmingen_US
dc.subjectClimate changeen_US
dc.subjectClimate dataen_US
dc.subjectGlobal dataen_US
dc.titleSPEIbase: a global 0.5º gridded SPEI data base (I. NetCDF)en_US
dc.typeDataseten_US
dc.identifier.doihttp://dx.doi.org/10.20350/digitalCSIC/228-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://sac.csic.es/spei/en_US
dc.rights.licensehttp://opendatacommons.org/licenses/odbl/1.0/.-
dc.rights.licensehttp://opendatacommons.org/licenses/dbcl/1.0/.-
Appears in Collections:(EEAD) Conjuntos de datos
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Files in This Item:
File Description SizeFormat 
spei_01_eh.zip212,79 MBzipView/Open
spei_01_wh.zip106,49 MBzipView/Open
spei_02_eh.zip213,35 MBzipView/Open
spei_02_wh.zip107,54 MBzipView/Open
spei_03_eh.zip213,19 MBzipView/Open
spei_03_wh.zip107,67 MBzipView/Open
spei_04_eh.zip213,02 MBzipView/Open
spei_04_wh.zip107,72 MBzipView/Open
spei_05_eh.zip212,83 MBzipView/Open
spei_05_wh.zip107,75 MBzipView/Open
spei_06_eh.zip212,64 MBzipView/Open
spei_06_wh.zip107,73 MBzipView/Open
spei_07_eh.zip212,45 MBzipView/Open
spei_07_wh.zip107,72 MBzipView/Open
spei_08_eh.zip212,27 MBzipView/Open
spei_08_wh.zip107,67 MBzipView/Open
spei_09_eh.zip212,08 MBzipView/Open
spei_09_wh.zip107,63 MBzipView/Open
spei_10_eh.zip211,9 MBzipView/Open
spei_10_wh.zip107,59 MBzipView/Open
spei_11_eh.zip211,73 MBzipView/Open
spei_11_wh.zip107,54 MBzipView/Open
spei_12_eh.zip211,55 MBzipView/Open
spei_12_wh.zip107,48 MBzipView/Open
spei_13_eh.zip211,37 MBzipView/Open
spei_13_wh.zip107,42 MBzipView/Open
spei_14_eh.zip211,19 MBzipView/Open
spei_14_wh.zip107,35 MBzipView/Open
spei_15_eh.zip211,01 MBzipView/Open
spei_15_wh.zip107,29 MBzipView/Open
spei_16_eh.zip210,83 MBzipView/Open
spei_16_wh.zip107,22 MBzipView/Open
spei_17_eh.zip210,66 MBzipView/Open
spei_17_wh.zip107,15 MBzipView/Open
spei_18_eh.zip210,48 MBzipView/Open
spei_18_wh.zip107,08 MBzipView/Open
spei_19_eh.zip210,31 MBzipView/Open
spei_19_wh.zip107 MBzipView/Open
spei_20_eh.zip210,12 MBzipView/Open
spei_20_wh.zip106,93 MBzipView/Open
spei_21_eh.zip209,95 MBzipView/Open
spei_21_wh.zip106,85 MBzipView/Open
spei_22_eh.zip209,78 MBzipView/Open
spei_22_wh.zip106,77 MBzipView/Open
spei_23_eh.zip209,61 MBzipView/Open
spei_23_wh.zip106,67 MBzipView/Open
spei_24_eh.zip209,43 MBzipView/Open
spei_24_wh.zip106,47 MBzipView/Open
spei_25_eh.zip209,26 MBzipView/Open
spei_25_wh.zip106,53 MBzipView/Open
spei_26_eh.zip209,08 MBzipView/Open
spei_26_wh.zip106,47 MBzipView/Open
spei_27_eh.zip208,9 MBzipView/Open
spei_27_wh.zip106,4 MBzipView/Open
spei_28_eh.zip208,73 MBzipView/Open
spei_28_wh.zip106,32 MBzipView/Open
spei_29_eh.zip208,55 MBzipView/Open
spei_29_wh.zip106,25 MBzipView/Open
spei_30_eh.zip208,37 MBzipView/Open
spei_30_wh.zip106,17 MBzipView/Open
spei_31_eh.zip208,2 MBzipView/Open
spei_31_wh.zip106,09 MBzipView/Open
spei_32_eh.zip208,03 MBzipView/Open
spei_32_wh.zip106 MBzipView/Open
spei_33_eh.zip207,86 MBzipView/Open
spei_33_wh.zip105,92 MBzipView/Open
spei_34_eh.zip207,69 MBzipView/Open
spei_34_wh.zip105,82 MBzipView/Open
spei_35_eh.zip207,51 MBzipView/Open
spei_35_wh.zip105,7 MBzipView/Open
spei_36_eh.zip207,33 MBzipView/Open
spei_36_wh.zip105,44 MBzipView/Open
spei_37_eh.zip207,15 MBzipView/Open
spei_37_wh.zip105,54 MBzipView/Open
spei_38_eh.zip206,97 MBzipView/Open
spei_38_wh.zip105,48 MBzipView/Open
spei_39_eh.zip206,8 MBzipView/Open
spei_39_wh.zip105,41 MBzipView/Open
spei_40_eh.zip206,62 MBzipView/Open
spei_40_wh.zip105,33 MBzipView/Open
spei_41_eh.zip206,44 MBzipView/Open
spei_41_wh.zip105,25 MBzipView/Open
spei_42_eh.zip206,27 MBzipView/Open
spei_42_wh.zip105,16 MBzipView/Open
spei_43_eh.zip206,1 MBzipView/Open
spei_43_wh.zip105,09 MBzipView/Open
spei_44_eh.zip205,92 MBzipView/Open
spei_44_wh.zip104,99 MBzipView/Open
spei_45_eh.zip205,74 MBzipView/Open
spei_45_wh.zip104,9 MBzipView/Open
spei_46_eh.zip205,57 MBzipView/Open
spei_46_wh.zip104,8 MBzipView/Open
spei_47_eh.zip205,39 MBzipView/Open
spei_47_wh.zip104,67 MBzipView/Open
spei_48_eh.zip205,22 MBzipView/Open
spei_48_wh.zip104,39 MBzipView/Open
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