ارزیابی شاخص خشکسالی رطوبت محصول (CMI) برعملکردگندم دیم مطالعه موردی(حوضه آبریزسیمینه رود دریاچه ارومیه)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دکتری رشته اقلیم کشاورزی دانشگاه خوارزمی تهران

2 استاد آب وهواشناسی دانشگاه خوارزمی تهران

3 کارشناس ارشد سنجش ازدور و GIS دانشگاه تبریز

JGET-2002-1152

چکیده

خشکسالییک  نوع مخاطرهطبیعیاستکهاثراتسوء اقتصادیآندر کشاورزیدیم،سریعترازسایربخشهای کشاورزیاست. این مطالعه با هدف بررسی وضعیت خشکسالی در حوضه آبریز سیمینه رود در چهار ایستگاه سینوپتیک بوکان ، مهاباد، میاندوآب و سقز انجام شده و از سال 2007 تا 2010 مورد بررسی وتجزیه تحلیل قرار گرفته است. در این تحقیق میزان تنش خشکی برعملکرد محصول گندم دیم با استفاده ازشاخص رطوبت محصول پالمر  بصورت هفتگی به دست آمد. نتایج این شاخص نشان دادکهدربازه زمانیپرشدندانهتقریباً بین 20 اردیبهشت تا 15 خرداد مقدار شاخص رطوبت محصول منفی می باشد که نشان از تأثیر خشکسالی بر عملکرد محصول گندم دیم داشته است. ایستگاه سقز در شرایط رطوبتی مطلوب ولی ایستگاههای بوکان، مهاباد و میاندوآب در وضعیت تنش بوده و مقدار رطوبت در2010 درهمه ایستگاهها منفی بوده و منطقه در معرض خشکسالی شدید قرار داشته است.

کلیدواژه‌ها


عنوان مقاله [English]

Assessment Drought Crop Moisture Index (CMI) Performance Dried wheat Case Study (Lake Urmia Simineh River Basin)

نویسندگان [English]

  • Adel Nabi Zadeh Balkhanlou 1
  • Zahra Hajarizadeh 2
  • Ali Khedmatzadeh 3
1 Ph.D. in Agricultural Climatology, Kharazmi University of Tehran
2 Professor of Climatology, Kharazmi University of Tehran
چکیده [English]

Drought is one of the most complicated disaster, its adverse effects on dryland agriculture are more pronounced than other sectors.. The aim of this study was to investigate the drought situation in the Simineh river basin watershed at four stations Synoptic Bukane, Mahabad, Miandoab and Saqez conditions for moisture content of wheat dried grapes in the four years 2007-2010 were analyzed and analyzed to determine the drought stress on the yield of wheat from the 22nd to the 43rd week in the light of the growth and development of rain fed wheat in the region The study was conducted weekly using Palmer's Moisture Index (CMI).. CMI results indicate that in the period of grain filling between 20May and 15June, there is a negative moisture drought index (CMI), which indicates the effect of drought on the performance of the wheat field. Drying plant is in good moisture conditions, but the stations of Bookan, Mahabad and The midsection is tense and the amount of moisture in 2010 is negative in all stations and the area is in severe drought.

کلیدواژه‌ها [English]

  • Agricultural drought
  • CMI index
  • Wheat
  • SC-PDSI
  • Semineh River basin
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