EVALUATION OF GEO-STATISTICAL TECHNIQUES FOR ESTIMATING ANNUAL PRECIPITATION OF THE PROVINCE OF FARS

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SHAABANI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Water Resources Engineering Year:2011 | Volume:3 | Issue:5-6-7 Page(s): 87-93

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Title

EVALUATION OF GEO-STATISTICAL TECHNIQUES FOR ESTIMATING ANNUAL PRECIPITATION OF THE PROVINCE OF FARS

Author(s)

SHAABANI M. | Issue Writer Certificate

Keywords

THE PROVINCE OF FARSQ2

GEO-STATISTICSQ3

DETERMINISTIC METHODSQ3

ISOTHERAL MAPQ3

Abstract

Understanding the spatio-temporal distribution of precipitation is an important factor for planning and implementation of soil and water conservation, flood control and drought mitigation projects. Precipitation zoning maps and their variability play an important role in land management activities. The objective of the current research was to evaluate the capability of geo-statistical methods for estimating annual precipitation in THE PROVINCE OF FARS. Data of 92 gauging stations with a common period of 20 years were collected and different approaches including ordinary kriging (OK), simple kriging (SK), and DETERMINISTIC METHODS such as inverse distance weights (IDW), radial basis function (RBF), local polynomial interpolation (LPI) and global polynomial interpolation (GPI) were assessed based on R, MAE and RMSE. The results showed that the ordinary kriging had higher R and lower RMSE and MAE. Therefore, this method was implemented in the preparation of the ISOTHERAL MAP of THE PROVINCE OF FARS. The results indicate advantages of the kriging method over those of the deterministic techniques. Moreover, the results revealed that 45.465% of the province has the annual precipitation range of 200-300 m while only 0.09 % of the province has the highest precipitation range of 900-1000 mm.

Cites

SPATIAL ANALYSIS OF PRECIPITATION WITH ELEVATION AND DISTANCE TO SEA (CASE STUDY: SISTAN AND BALUCHESTAN PROVINCE)

References

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APA: Copy

SHAABANI, M.. (2011). EVALUATION OF GEO-STATISTICAL TECHNIQUES FOR ESTIMATING ANNUAL PRECIPITATION OF THE PROVINCE OF FARS. WATER ENGINEERING, 3(5-6-7), 87-93. SID. https://sid.ir/paper/169491/en

Vancouver: Copy

SHAABANI M.. EVALUATION OF GEO-STATISTICAL TECHNIQUES FOR ESTIMATING ANNUAL PRECIPITATION OF THE PROVINCE OF FARS. WATER ENGINEERING[Internet]. 2011;3(5-6-7):87-93. Available from: https://sid.ir/paper/169491/en

IEEE: Copy

M. SHAABANI, “EVALUATION OF GEO-STATISTICAL TECHNIQUES FOR ESTIMATING ANNUAL PRECIPITATION OF THE PROVINCE OF FARS,” WATER ENGINEERING, vol. 3, no. 5-6-7, pp. 87–93, 2011, [Online]. Available: https://sid.ir/paper/169491/en

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