environment
Saeed Jahanbakhsh; Batool Zeinali; Sayyad Asghari
Volume 5, Issue 10 , October 2014, , Pages 85-98
Abstract
Dust is one of the atmospheric phenomena that it leaves undesirable environmental effects and consequences such as threat to public health, decline of economic production, resident dissatisfaction and finally forced migration in urban and rural areas. Therefore, the purpose of this review is classification ...
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Dust is one of the atmospheric phenomena that it leaves undesirable environmental effects and consequences such as threat to public health, decline of economic production, resident dissatisfaction and finally forced migration in urban and rural areas. Therefore, the purpose of this review is classification of Iran in terms of frequency of dust storms and determining of critical regions, provinces and cities for national and international planning. For this purpose was used dust hourly data, annual average and maximum data of wind velocity and MODIS images. FCM is used method in this research that is using for regional frequency extremely. According to results, Iran classified in 5 clusters. Cluster5 reclassified to 3 clusters because of its wide range. Maximum cores of dust storms are Zabol station (cluster 1), Abadan, Kenarak, Ahvaz and Zahedan (cluster 2), Dezfol, Bandar Mahshahr, Bostan, Masjed Soleyman, Bushehr, Khash, Iranshahr(cluster 3) and Minimum core of storm (cluster 5-3) is consisting of The North, North-West Iran, the Zagros elevations and North West of Northern Khorasan. According to the results of clustering, Khuzestan and Sistan va Baluchistan provinces are in zoning large, very large and critical dust storms that are required of national and international planning.
