NASA: Argentina - Cordoba province - Mar Chiquita - Dust Storm - 31.07.12

Posted by ricardo marcenaro | Posted in | Posted on 12:26

Dust Storm in Argentina
acquired July 29, 2012 download large image (2 MB, JPEG, 2400x3200)
Dust plumes blew northward from Argentina’s Laguna Mar Chiquita in late July 2012. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this natural-color image on July 29.
Dry conditions plagued the region in June and July. Laguna Mar Chiquita straddles the border between the states of Santiago del Estero in the north, and Cordoba in the south. Merco Press reported that Cordoba was one of the states contending with reduced crop yields following drought conditions in late June 2012. Below-average precipitation continued in July, according to the Foreign Agricultural Service.
Laguna Mar Chiquita is a shallow lake that expands and shrinks, depending on available water. At its peak, the lake covers roughly 5,770 square kilometers (2,230 square miles), but it can shrink to about 1,960 square kilometers (760 square miles) during periods of extended drought. When the water level drops, winds can pick up the fine sediments around the lake perimeter and create dust storms. The dust plumes in this storm extended for hundreds of kilometers (visible in the large image).
  1. References

  2. Foreign Agricultural Service. Southern South America 05/01/12 – 07/20/12. U.S. Department of Agriculture. Accessed July 30, 2012.
  3. Global Nature Fund. (2012, July 30). Mar Chiquita. Accessed July 30, 2012.
  4. Merco Press. (2012, June 21) Drought hit Argentina soy beans and corn crops. Accessed July 30, 2012.
NASA image courtesy Jeff Schmaltz, LANCE MODIS Rapid Response Team at NASA GSFC. Caption by Michon Scott.
Instrument: 
Aqua - MODIS

 

 NASA: Argentina - Cordoba province - Mar Chiquita - Dust Storm - 31.07.12




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