The hazard of Climatic Drought on the Crisis of Underground Water Resources of Torbat Heydarieh’s Plain (Northeast of Iran)
- سال انتشار: 1395
- محل انتشار: اولین کنفرانس بین المللی مخاطرات طبیعی و بحران های زیست محیطی ایران، راهکارها و چالش ها
- کد COI اختصاصی: ICINH01_061
- زبان مقاله: انگلیسی
- تعداد مشاهده: 556
نویسندگان
Assistanc prof in climatology .Department of physical geography .Islamic Azad University, Mashhad Branch.IRAN
Assistanc prof. in geomorphology. Department of physical geography. Islamic Azad University,Mashhad Branch.IRAN
Lecturar of urban department, Mashhad Branch, Islamic Azad University,Mashhad, Iran
چکیده
During recent ten years, underground water resources of many plains in Iran for the reason of drought periods have exposed serious fluctuation. Torbat Heydarie is located on the Northeast of Iran which is the zone that drought occurrences of meteorology had negative consequences on water resources. In this paper by using SPI index, the meteorology of drought was examined and then the consequences of it such as the effect of drought on underground water resources was investigated. For analyzing drought, the statistics of synoptic station (statistical periods of 23 years) and for analyzing the effect of drought on the level of underground water ,monthly data of water table wells during (7231-71) were used. Results show that the transformation of the hydrograph of plain have direct and serious relationship with drought periods. The discussed zone, encountering eight periods of drought that the continuation and severity of that have an increase in some periods. The most severe drought concern to 7271-77 with the digit of -3873. The continues drought specifically during ten years cause to decrease aggregately the level of underground water in the level of plain as from Mehr 7231 till Shahrivar 7271 (during 77 years), there was a decline in the level of underground water (tantamount 2872 meters), whereas from Mehr 7217 till Shahrivar 71(during 71 years) , because of droughts there was a decrease in the level of water and the level of water arrive at 5819 meters.کلیدواژه ها
Hydrologic consequences, Drought, Torbat Heydarie’s Plain, SPI indexمقالات مرتبط جدید
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