DROUGHT ZONING IN THE PAST 50 YEARS IN IRAN

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DARYABARI SEYYED JAMALEDDIN

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Journal: DANESHNAMEH Year:2011 | Volume:- | Issue:82 Page(s): 33-48

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Title

DROUGHT ZONING IN THE PAST 50 YEARS IN IRAN

Author(s)

DARYABARI SEYYED JAMALEDDIN | Issue Writer Certificate

Keywords

SUSTAINABLE DEVELOPMENTQ2

DHYARY MANAGEMENTQ2

LOCAL RURAL ISLAMIC COUNCILSQ2

Abstract

In this study scales of drought intensity of 32 synoptic stations in statistical duration 1956-2005 was analysis by 4 methods as standard precipitation index, D index percent of normal and decadal index.As a result of standard precipitation index shows that 1973, 1990 and 2001 succeeding had the harshest during the country. On the base of percent of normal index in statistical duration of 1973, 1990 and 2001 had the harshest drought in the country.The third index used is the decadal index.In this way, in period of the statistical duration that is studied in the years of 1973, 1990 and 1958 had the harshest drought in the country.The forth index in this research have studied drought of Iran used is D index.Calculating of dry and wet years by using this index is based on temperature and precipitation data after calculating Z-score of temperature and precipitation from differences with used of this method in statistical duration of years 2001, 1999, 1966 had the harshest.Because Calculated drought in the method is based on reality in comparison with 3 methods, the studied has validity.

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APA: Copy

DARYABARI, SEYYED JAMALEDDIN. (2011). DROUGHT ZONING IN THE PAST 50 YEARS IN IRAN. DANESHNAMEH, -(82), 33-48. SID. https://sid.ir/paper/91296/en

Vancouver: Copy

DARYABARI SEYYED JAMALEDDIN. DROUGHT ZONING IN THE PAST 50 YEARS IN IRAN. DANESHNAMEH[Internet]. 2011;-(82):33-48. Available from: https://sid.ir/paper/91296/en

IEEE: Copy

SEYYED JAMALEDDIN DARYABARI, “DROUGHT ZONING IN THE PAST 50 YEARS IN IRAN,” DANESHNAMEH, vol. -, no. 82, pp. 33–48, 2011, [Online]. Available: https://sid.ir/paper/91296/en

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