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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Beguería, Santiago | - |
dc.contributor.author | Vicente Serrano, Sergio M. | - |
dc.contributor.author | Reig-Gracia, Fergus | - |
dc.contributor.author | Latorre Garcés, Borja | - |
dc.date.accessioned | 2014-02-10T14:58:19Z | - |
dc.date.available | 2014-02-10T14:58:19Z | - |
dc.date.issued | 2014-08 | - |
dc.identifier.citation | Beguería S, Vicente-Serrano SM, Reig F, Latorre B. Standardized precipitation evapotranspiration index (SPEI) revisited: parameter fitting, evapotranspiration models, tools, datasets and drought monitoring. International Journal of Climatology 34 (10): 3001-3023 (2014) | es_ES |
dc.identifier.issn | 0899-8418 | - |
dc.identifier.uri | http://hdl.handle.net/10261/90646 | - |
dc.description | 48 págs., 25 figs. Available online 21 December 2013. The definitive version is available at: http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1097-0088 | es_ES |
dc.description.abstract | The standardized precipitation evapotranspiration index (SPEI) was developed in 2010 and has been used in an increasing number of climatology and hydrology studies. The objective of this article is to describe computing options that provide flexible and robust use of the SPEI. In particular, we present methods for estimating the parameters of the log-logistic distribution for obtaining standardized values, methods for computing reference evapotranspiration (ET0), and weighting kernels used for calculation of the SPEI at different time scales. We discuss the use of alternative ET0 and actual evapotranspiration (ETa) methods and different options on the resulting SPEI series by use of observational and global gridded data. The results indicate that the equation used to calculate ET0 can have a significant effect on the SPEI in some regions of the world. Although the original formulation of the SPEI was based on plotting-positions Probability Weighted Moment (PWM), we now recommend use of unbiased PWM for model fitting. Finally, we present new software tools for computation and analysis of SPEI series, an updated global gridded database, and a real-time drought-monitoring system. | es_ES |
dc.description.sponsorship | This work has been supported by the research projects CGL2011-24185, CGL2011-27574-CO2-02 and CGL2011-27536 financed by the Spanish Commission of Science and Technology and FEDER, “Demonstration and validation of innovative methodology for regional climate change adaptation in the Mediterranean area (LIFE MEDACC)” financed by the LIFE programme of the European Commission and CTTP1/12 “Creación de un modelo de alta resolución espacial para cuantificar la esquiabilidad y la afluencia turística en el Pirineo bajo distintos escenarios de cambio climático”, financed by the Comunidad de Trabajo de los Pirineos. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Wiley-Blackwell | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Drought | es_ES |
dc.subject | Drought index | es_ES |
dc.subject | Global warming | es_ES |
dc.subject | Evaporation | es_ES |
dc.subject | Penman–Monteith | es_ES |
dc.subject | Standardized precipitation index (SPI) | es_ES |
dc.subject | Palmer drought severity index (PDSI) | es_ES |
dc.title | Standardized precipitation evapotranspiration index (SPEI) revisited: parameter fitting, evapotranspiration models, tools, datasets and drought monitoring | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1002/joc.3887 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1002/joc.3887 | es_ES |
dc.identifier.e-issn | 1097-0088 | - |
dc.embargo.terms | 2014-12-22 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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BegueriaS_IntJClimatol_2013.pdf | 2,35 MB | Adobe PDF | Visualizar/Abrir |
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