تعيين مناطق آسيب پذير در برابر خشكسالي هاي احتمالي با استفاده از شاخص MFI و نقش آن در پراكنش مراكز جمعيتي دشت سراب

Determining Land Cover Sensibility Against Future Drought With Using MFI and its Role Against Settlements Distribution in Sarab Plain

The purpose of this research is using the drought and wetness yearʹs maps. Finally comparing the data change for determining moisture fluctuation index. For this Sarab plain stations evaluate with SPI Index. Then the drought and wetness years determined. The data transferred to GIS and then interpolated. Then moisture fluctuation has been calculated with mathematical equations. The results indicated that every pixel with highest anomaly between wetness and dry year has the highest degree of moisture fluctuation index. Due to this the sensibility of this pixel is high against moisture fluctuation. Comparing the MFI index and settlements distribution show that there is direct relation between them.