Spatial and Temporal Distribution of Dust in Iran

In recent years the phenomenon of dust is one of the most important environmental challenges exist in the Middle East and Iran. Dust storm is a complex process influenced by interactions atmospheric system and basically conditions such as wind speeds, bare soil and dry weather is causing it. Considering the above, in this study to examine the seasonal occurrence of dust in the dust of the data, the total numbers of occurrences in the period 1990 to 2012 were used. As well as to review and zoning temporal and spatial distribution of dust in the region of inverse distance weighting (IDW) in ARCGIS 10.3 software was used. The results showed that the south and southeast, and southwest of the southern half of the country or in other words according to their relative positions, such as Latitude down and to wilderness areas in the region in all seasons with dust. Even in winter, the phenomenon is minimized dust across the country In the South East of the country, including the southern part of Sistan-Baluchistan province with varying intensities there is dust.