Evaluation of the performance of CFSR reanalysis data set for estimating reference evapotranspiration (ET0) in Turkey

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dc.contributor.authorIrvem, Ahmet
dc.contributor.authorOzbuldu, Mustafa
dc.date.accessioned2024-09-18T20:08:12Z
dc.date.available2024-09-18T20:08:12Z
dc.date.issued2022
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractEvapotranspiration is a key process and a necessary parameter for hydrological, meteorological, and agricultural studies. However, the calculation of actual evapotranspiration is very challenging and costly. Therefore, reference evapotranspiration (ET0) calculated using meteorological data is generally preferred over actual evapotranspiration. However, it is challenging to get complete and accurate data from meteorology stations in rural and mountainous regions. This study examined the suitability of the Climate Forecast System Reanalysis (CFSR) reanalysis data set as an alternative to meteorological observation stations to compute seasonal reference evapotranspiration for seven different climatic regions of Turkey. The ET0 calculations using the CFSR reanalysis dataset for 1987-2017 were compared to data at 259 weather stations observed in Turkey. As a result of statistical evaluations, it has been determined that the most successful predicted season is winter (C' = 0.64-0.89, SPAEF= 0.63-0.81). The most successful estimations for this season were obtained from coastal areas with low elevations. The weakest estimations were obtained for the summer season (C' = 0.52-0.85, SPAEF= 0.59-0.77). These results show that the ET0 estimation ability of the CFSR reanalysis dataset is satisfactory for the study area. In addition, it has been observed that CFSR tends to overestimate the observation data, especially in the southern and western regions. These findings indicate that the results of the ET0 calculation using the CFSR reanalysis data set are relatively successful for the study area. However, the data should be evaluated with observation data before being used, especially in the summer models.en_US
dc.identifier.doi10.36253/ijam1325
dc.identifier.endpage61en_US
dc.identifier.issn2038-5625
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85147289741en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage49en_US
dc.identifier.urihttps://doi.org/10.36253/ijam1325
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8700
dc.identifier.wosWOS:000926345000004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherFirenze Univ Pressen_US
dc.relation.ispartofItalian Journal of Agrometeorology-Rivista Italiana Di Agrometeorologiaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCFSR reanalysisen_US
dc.subjectReference evapotranspirationen_US
dc.subjectFAO56-PMen_US
dc.subjectTurkeyen_US
dc.titleEvaluation of the performance of CFSR reanalysis data set for estimating reference evapotranspiration (ET0) in Turkeyen_US
dc.typeArticleen_US

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