COMPARISON OF GEOSTATISTICAL DIFFERENT METHOD IN ISOHYETAL MAPPING IN ILAM PROVINCE

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MORADI H.R.; SHARIFI MOGHADAM E.; OMIDIPOUR R.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2014 | Volume:4 | Issue:2 Page(s): 87-97

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Title

COMPARISON OF GEOSTATISTICAL DIFFERENT METHOD IN ISOHYETAL MAPPING IN ILAM PROVINCE

Author(s)

MORADI H.R. | SHARIFI MOGHADAM E. | OMIDIPOUR R. | Issue Writer Certificate

Keywords

ARCGISQ1

KRIGINGQ2

COKRIGINGQ2

INVERSE DISTANCE WEIGHTINGQ2

ILAM PROVINCEQ2

Abstract

Due to spatial significant changes rainfall and low rainfall stations to record daily rainfall the other hand, the necessity of explaining the model estimates of rainfall in space is unavoidable. The aim of this study was to compare geostatistical methods viz. KRIGING, COKRIGING and inverse distance weighted for providing Isohyetal maps. The study area was ILAM PROVINCE in the western of Iran. For providing Isohyetal maps, data of97stations were used. Through auxiliary variables for the COKRIGING method, the elevation data (it has the highest correlation with rainfall) was used. After determining the data spatial structures, by using Arc GIS software Isohyetal map was prepared by the foresaid method. In this study to assess of interpolation methods from standard error (SE), root mean square error (RMSE) and coefficient of determination (R2) was used. Based on the evaluation criteria KRIGING method with the lowest RMSE and highest coefficient, respectively, 93.9 and 0.414 is the most accurate method.

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APA: Copy

MORADI, H.R., SHARIFI MOGHADAM, E., & OMIDIPOUR, R.. (2014). COMPARISON OF GEOSTATISTICAL DIFFERENT METHOD IN ISOHYETAL MAPPING IN ILAM PROVINCE. NATURAL ECOSYSTEMS OF IRAN, 4(2), 87-97. SID. https://sid.ir/paper/215189/en

Vancouver: Copy

MORADI H.R., SHARIFI MOGHADAM E., OMIDIPOUR R.. COMPARISON OF GEOSTATISTICAL DIFFERENT METHOD IN ISOHYETAL MAPPING IN ILAM PROVINCE. NATURAL ECOSYSTEMS OF IRAN[Internet]. 2014;4(2):87-97. Available from: https://sid.ir/paper/215189/en

IEEE: Copy

H.R. MORADI, E. SHARIFI MOGHADAM, and R. OMIDIPOUR, “COMPARISON OF GEOSTATISTICAL DIFFERENT METHOD IN ISOHYETAL MAPPING IN ILAM PROVINCE,” NATURAL ECOSYSTEMS OF IRAN, vol. 4, no. 2, pp. 87–97, 2014, [Online]. Available: https://sid.ir/paper/215189/en

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