Statistical Evaluation of Precipitation Data from GPCC, GPCP, CMAP and NCEP-NCAR with Observational Data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan Provinces

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AHMADI M.; KAVIANI A.; DANESHKAR ARASTEH P.; FARAJI Z.

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Journal: Iranian Journal of Irrigation and Drainage Year:2020 | Volume:13 | Issue:6 Page(s): 1879-1896

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Title

Statistical Evaluation of Precipitation Data from GPCC, GPCP, CMAP and NCEP-NCAR with Observational Data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan Provinces

Author(s)

AHMADI M. | KAVIANI A. | DANESHKAR ARASTEH P. | FARAJI Z. | Issue Writer Certificate

Keywords

PrecipitationQ2

Remote SensingQ2

Statistical TestsQ2

DiagnosisQ2

Abstract

Precipitation is one of the most important factors used in estimating many hydrological parameters at the level of the catchment area. Due to the importance of Precipitation data in various sciences and the absence of a large and adequate rainfall network, it is necessary to estimate Precipitation data in some way. One way to estimate Precipitation is to use satellite data. In this study, Precipitation data of GPCC, GPCP, CMAP and NCEP-NCAR models with station data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan provinces were investigated. The results showed that GPCP, GPCC, CMAP and NCEP-NCAR had good results in these regions and among them GPCP and GPCC produced better results. In evaluating GPCP with the weighted average of stations in the study area in pixel 3 in 2003 Explanation Coefficient (R2), Model Efficiency Coefficient (EF), Averaged Error Error (MBE), Absolute Mean Error (MAE) and Root Mean Square Error (RAD) RMSE) were 0. 96, 0. 94, 3. 13, 5. 30 and 6. 58 mm / month, respectively.

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APA: Copy

AHMADI, M., KAVIANI, A., DANESHKAR ARASTEH, P., & FARAJI, Z.. (2020). Statistical Evaluation of Precipitation Data from GPCC, GPCP, CMAP and NCEP-NCAR with Observational Data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan Provinces. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 13(6 ), 1879-1896. SID. https://sid.ir/paper/131802/en

Vancouver: Copy

AHMADI M., KAVIANI A., DANESHKAR ARASTEH P., FARAJI Z.. Statistical Evaluation of Precipitation Data from GPCC, GPCP, CMAP and NCEP-NCAR with Observational Data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan Provinces. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2020;13(6 ):1879-1896. Available from: https://sid.ir/paper/131802/en

IEEE: Copy

M. AHMADI, A. KAVIANI, P. DANESHKAR ARASTEH, and Z. FARAJI, “Statistical Evaluation of Precipitation Data from GPCC, GPCP, CMAP and NCEP-NCAR with Observational Data in Alborz, Qazvin, Zanjan, Kurdistan and Hamedan Provinces,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 13, no. 6 , pp. 1879–1896, 2020, [Online]. Available: https://sid.ir/paper/131802/en

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