EFFECT OF CLIMATE CHANGE ON AGRICULTURAL WATER USE IN MASBHAD VALLEY

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ALI ZADEH A.; KAMALI GH.

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Journal: GEOGRAPHICAL RESEARCH Year:2002 | Volume:17 | Issue:2-3 (65-66) Page(s): 189-201

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Title

EFFECT OF CLIMATE CHANGE ON AGRICULTURAL WATER USE IN MASBHAD VALLEY

Author(s)

ALI ZADEH A. | KAMALI GH. | Issue Writer Certificate

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Abstract

Rapid population growth and shortage of water are the two most important problems of any development program in Khorassan province of Iran. In this respect, Mashhad valley, which is the main center of industrial activities of the province, has a very critical position. Almost 40 percent of the population of Khorassan are living in this valley. More than %75 of all water resources in Mashhad valley is used in agriculture. Although water allocation to fanners are based on national irrigation document, but recent droughts and warm weather showed that farmers are actually using more water than those figures which are indicated in this document. It seems that higher temperature, either due to global warming or periodical changes of the weather will increase agricultural water use. In this paper 3 scenarios of temperature increase (2, 4, and 6 degree centigrade) were considered and on agricultural water use has been studied. The results showed that by an increase of 2 degrees in air temperature, water use would increase by 6 percents. An increase of 4 and 6 degrees will increase the water use 11and 17percents, respectively. In order to keep the agriculture water demand constant different alternatives of cropping pattern and densities have been constant and equal to 6200 cubic meter per sector. The alternatives are based upon this assumption that irrigation water use does not change with increasing air temperature.

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APA: Copy

ALI ZADEH, A., & KAMALI, GH.. (2002). EFFECT OF CLIMATE CHANGE ON AGRICULTURAL WATER USE IN MASBHAD VALLEY. GEOGRAPHICAL RESEARCH, 17(2-3 (65-66)), 189-201. SID. https://sid.ir/paper/29883/en

Vancouver: Copy

ALI ZADEH A., KAMALI GH.. EFFECT OF CLIMATE CHANGE ON AGRICULTURAL WATER USE IN MASBHAD VALLEY. GEOGRAPHICAL RESEARCH[Internet]. 2002;17(2-3 (65-66)):189-201. Available from: https://sid.ir/paper/29883/en

IEEE: Copy

A. ALI ZADEH, and GH. KAMALI, “EFFECT OF CLIMATE CHANGE ON AGRICULTURAL WATER USE IN MASBHAD VALLEY,” GEOGRAPHICAL RESEARCH, vol. 17, no. 2-3 (65-66), pp. 189–201, 2002, [Online]. Available: https://sid.ir/paper/29883/en

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