2015
DOI: 10.5901/mjss.2015.v6n4s3p108
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Application of Spatial Interpolation Method for Estimating the Spatial Variability of Rainfall in Semiarid New Mexico, USA

Abstract: Spatial interpolation of rain gauge data is important for ecohydrology study or modelling of land degradation. The monthly rainfall data recorded at 68 stations in Jornada basin was analysed to study the spatial patterns of rainfall. The inverse distance weighting spatial interpolation method was applied to model the spatial variability of rainfall for a wet (1992) and dry (1994) years. The rainfall interpolation was tested for the basin wide region and by constraining the rainfall-interpolation within the stu… Show more

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Cited by 11 publications
(7 citation statements)
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“…In other words, it is a statistical validation technique used to assess how well an interpolation model performs [85]. Different methods are available in literature for CV application [86][87][88][89][90]. Particularly, the leave-one-out (LOO) method is adopted, removing each point in turn from the dataset and using the other points to estimate a value at the location of the removed point [91].…”
Section: Model Construction and Global Accuracy Evaluationmentioning
confidence: 99%
“…In other words, it is a statistical validation technique used to assess how well an interpolation model performs [85]. Different methods are available in literature for CV application [86][87][88][89][90]. Particularly, the leave-one-out (LOO) method is adopted, removing each point in turn from the dataset and using the other points to estimate a value at the location of the removed point [91].…”
Section: Model Construction and Global Accuracy Evaluationmentioning
confidence: 99%
“…As a quality control procedure, the infilling of missing records was done using the Inverse Distance Weighted (IDW) interpolation technique developed by Shepard [66] in equation (1). Due to its robustness, the IDW technique has been applied in several studies [67][68][69][70][71]. e missing rainfall depth/intensity R M at station M for a given period was determined using rainfall values R j at the neighbouring stations q of the same period: 1.…”
Section: Rainfall and Potential Evapotranspiration Datamentioning
confidence: 99%
“…For this reason, the best approach to evaluate the accuracy of DDM is to use Cross Validation (CV). Different methods are available in literature for CV application [54].…”
Section: Comparison Of Methodsmentioning
confidence: 99%