AGROCLIMATIC INDICES ASSESSMENT OVER SOME SELECTED WEATHER STATIONS OF KHORASAN RAZAVI PROVINCE UNDER CLIMATE CHANGE SCENARIOS

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BABAEIAN I.; KOUHI M.

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Journal: Journal of Water and Soil Year:2012 | Volume:26 | Issue:4 Page(s): 953-967

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Title

AGROCLIMATIC INDICES ASSESSMENT OVER SOME SELECTED WEATHER STATIONS OF KHORASAN RAZAVI PROVINCE UNDER CLIMATE CHANGE SCENARIOS

Author(s)

BABAEIAN I. | KOUHI M. | Issue Writer Certificate

Keywords

CLIMATE CHANGEQ2

GENERAL CIRCULATION MODELSQ2

LENGTH OF DRY SEASONQ2

GROWING PERIODQ2

POTENTIAL EVAPOTRANSPIRATIONQ3

EMISSION SCENARIOSQ2

UNCERTAINTYQ1

Abstract

Study of the CLIMATE CHANGE impacts on agricultural products and agro-climatic variables can improve the management strategies regarding to the agricultural demands in future decades and CLIMATE CHANGE mitigations in agriculture sector as well. Impacts of CLIMATE CHANGE on agro-climatic variables of Mashhad, Sabzevar and Torbat-e-heydariyeh including precipitation, temperature, LENGTH OF DRY SEASON, GROWING PERIOD and POTENTIAL EVAPOTRANSPIRATION under IPCC A1B, A2 and B1 EMISSION SCENARIOS has been studied using NCAR-PCM and GFDL-CM2.1 in the periods of 2010-2039, 2040-2069 and 2070-2099. UNCERTAINTY of each models are investigated. Statistical downscaling has been done using two different methods of multiple regressions for monthly to yearly time scales and stochastic weather generator of LARS-WG 5 for producing daily data. We used daily data for calculating daily POTENTIAL EVAPOTRANSPIRATION by using Hargrivz-Samani method. Results show that mean amount of GROWING PERIOD has been increased by 18.6 days in the period of 2070-2099 in all three stations. GROWING PERIOD is increased both in 2010-2039 and 2040-2069 in Mashhad and Sabzevar, but it has decreased in Torbat-e- Heydariyeh in the same period. Precipitation change has no significant change in future decades in the stations under study, but mean annual precipitation of Mashhad, Sabzevar and Torbat-e- Heydariyeh will be decreased by 5.0, 2.8 and 2.6 mm per year in the period of 2070-2099. Results also indicated that mean amount of evapotranspiration in Mashhad, Sabzevar and Torbat-e- Heydariyeh will be decreased by 13.5%, 16.5% and 14% in 2010-2039, 2040-2069 and 2070-2099, respectively.

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APA: Copy

BABAEIAN, I., & KOUHI, M.. (2012). AGROCLIMATIC INDICES ASSESSMENT OVER SOME SELECTED WEATHER STATIONS OF KHORASAN RAZAVI PROVINCE UNDER CLIMATE CHANGE SCENARIOS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(4), 953-967. SID. https://sid.ir/paper/141854/en

Vancouver: Copy

BABAEIAN I., KOUHI M.. AGROCLIMATIC INDICES ASSESSMENT OVER SOME SELECTED WEATHER STATIONS OF KHORASAN RAZAVI PROVINCE UNDER CLIMATE CHANGE SCENARIOS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2012;26(4):953-967. Available from: https://sid.ir/paper/141854/en

IEEE: Copy

I. BABAEIAN, and M. KOUHI, “AGROCLIMATIC INDICES ASSESSMENT OVER SOME SELECTED WEATHER STATIONS OF KHORASAN RAZAVI PROVINCE UNDER CLIMATE CHANGE SCENARIOS,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 4, pp. 953–967, 2012, [Online]. Available: https://sid.ir/paper/141854/en

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