با همکاری انجمن آبخیزداری ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه مهندسی آبخیزداری، دانشکده منابع طبیعی دانشگاه تربیت مدرس

2 استاد دانشگاه تربیت مدرس

چکیده

پژوهش حاضر با هدف بررسی اجمالی وضعیت استان‌های مختلف کشور از لحاظ سیل، تنش آبی، شاخص فرسایندگی باران و خشک‌سالی و با هدف پهنه‌بندی کشور با استفاده از یک شاخص ترکیبی در مقیاس استان‌ها انجام شده است. در این راستا، اطلاعات مربوط به معیارهای مطالعاتی از منابع و مراجع موجود استخراج و پس از استاندارد کردن در قالب یک شاخص حاصل از میانگین هندسی آن‌ها تحلیل شد. براساس نتایج، استان‌های خوزستان، البرز و کرمانشاه به‌ترتیب با 61/0، 59/0 و 58/0 دارای بالاترین حساسیت از لحاظ شاخص‌های ترکیبی مورد مطالعه هستند. در مجموع با توجه به نتایج به‌دست آمده می‌توان دریافت که استان‌های جنوب غربی کشور از لحاظ شاخص‌های مورد نظر دارای حساسیت بیش‌تری بوده و تهدیدات ناشی از فرسایش خاک و هدررفت منابع آبی با توجه به وقوع فرآیندهای حدی در آن‌ها بیش‌تر بوده که این امر لزوم اجرای سیاست‌های مدیریت منابع خاک و آب نسبت به سایر مناطق کشور را آشکار می‌سازد.

کلیدواژه‌ها

عنوان مقاله [English]

Perspective Zoning of Iran Provinces based on Water Stress, Flood, Drought and Rainfall Erosivity Indices

نویسندگان [English]

  • Milad Hatefi 1
  • Seyed Hamidreza Sadeghi 2

1 Department of Watershed Management Engineering, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University

2 Professor, Tarbiat Modares University

چکیده [English]

The present study was conducted to make a brief prioritization based on a combined index for flood potential, water stress, rainfall erosivity index and drought severity at province scale in Iran. To accomplish this, the initial country-wide available data were initially collected. The raw data were mined and then standardized to neglect differences in units and magnitudes. The standardized data were ultimately analyzed using geometric mean. According to the results, Khozestan, Alborz and Kermanshah Provinces with respective combined indices of 0.61, 0.59 and 0.58 stood at the first priority in viewpoint of water and erosion indicators. Furthermore, the results of the study showed that southwestern provinces of the country were the most sensitive areas owing to high probability of extreme events and as a result, high amount of water resources loss and erosion potential. So that, implementation of soil and water resources management strategies in aforesaid provinces seems to be vital.

کلیدواژه‌ها [English]

  • Crises Management
  • Risk Assessment
  • Watershed Management
  • Zoning Index
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