Dust storm in Pakistan and Afghanistan

Dust storm in Pakistan and Afghanistan
  • Credit:

    Jacques Descloitres, MODIS Rapid Response Team, NASA/GSFC

Across the dark brown ridges and rock formations of southern Afghanistan (top), Iran (left), and Pakistan (bottom right), streamers of pale dust swirl over the arid terrain in this true-color image acquired on August 20, 2003, by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA´s Terra satellite. According to people living in southwestern Afghanistan, this has been the dustiest year in living memory, as wave after wave of dust storms has swept over the region this summer. Many of these dust storms originated in the dry salt flats where there was once a lush oasis of lakes and wetlands straddling the border between Afghanistan and Iran.

For more than 5,000 years the Hamoun wetlands served as a primary source of food and shelter for the people in Central Asia. Fed by the Helmand River, the Sistan basin held two large lakes and a large expanse of wetlands, all together covering roughly 2,000 square kilometers (800 square miles). The Sistan basin was a thriving blue-green oasis set amid the various tan and brown hues of surrounding deserts and dry plains that reach for hundreds of kilometers in every direction. But just within the last 5 years, drought combined with over irrigation have choked the flow of the Helmand River and all but erased the Hamoun wetlands, leaving only drying reed stands amid a desiccated landscape to mark its passing. (For more details, please see From Wetland to Wasteland.)

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  • Data Date:

    August 20, 2003
  • Visualization Date:

    August 20, 2003
  • Sensor(s):

    Terra - MODIS
NASA - National Aeronautics and Space Administration