PREDICTION OF ANNUAL PRECIPITATION IN KHUZESTAN PROVINCE BASED ON EARLY RAIN EVENTS IN FALL

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GHASEMI M.M.

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Journal: Journal of Water and Soil Science Year:2004 | Volume:8 | Issue:1 Page(s): 10-10

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Title

PREDICTION OF ANNUAL PRECIPITATION IN KHUZESTAN PROVINCE BASED ON EARLY RAIN EVENTS IN FALL

Author(s)

GHASEMI M.M. | Issue Writer Certificate

Keywords

PREDICTION OF ANNUAL PRECIPITATIONQ4

KHUZESTAN PROVINCEQ2

REGRESSION MODELQ2

Abstract

The vast pastures and agricultural development plans for dry farming and irrigated farming in KHUZESTAN PROVINCE depend on rain. This requires availability of annual precipitation prediction models to be used in the management decision-making process. In this research, the long-term daily precipitation data from 15 rain gauge stations in the study area were collected for study and a relationship between the early fall season precipitations of 42.5 mm (t__42,5) and the annual precipitation was obtained. The results showed that the relationship was an inverse one such that the later the fall precipitation occurred, the greater the annual precipitation would be. To increase the coefficient of determination in the models, climatic variables such as Persian Gulf sea surface temperature and geographical characteristics (longitude, latitude, altitude, and long term mean annual precipitation) were used. Except for the long term mean annual precipitation and altitude, other variables did not increase the coefficient of determination. The final simple model found is as follows: P__a=184.787-1.891 t__42.5+0 .855 P__m. , R^2=0.704 where, P__a is the annual precipitation, t__42.5 is the time from beginning of fall season for 42.5 mm of precipitation, and P__m is the long term mean annual precipitation.

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APA: Copy

GHASEMI, M.M.,. (2004). PREDICTION OF ANNUAL PRECIPITATION IN KHUZESTAN PROVINCE BASED ON EARLY RAIN EVENTS IN FALL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 8(1), 10-10. SID. https://sid.ir/paper/14613/en

Vancouver: Copy

GHASEMI M.M.. PREDICTION OF ANNUAL PRECIPITATION IN KHUZESTAN PROVINCE BASED ON EARLY RAIN EVENTS IN FALL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2004;8(1):10-10. Available from: https://sid.ir/paper/14613/en

IEEE: Copy

M.M. GHASEMI, an, “PREDICTION OF ANNUAL PRECIPITATION IN KHUZESTAN PROVINCE BASED ON EARLY RAIN EVENTS IN FALL,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 8, no. 1, pp. 10–10, 2004, [Online]. Available: https://sid.ir/paper/14613/en

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