30 Jul '12, 7pm

Two ghostly dust plumes stream from Argentina’s Laguna Mar Chiquita yesterday as seen by our Aqua satellite.

Two ghostly dust plumes stream from Argentina’s Laguna Mar Chiquita yesterday as seen by our Aqua satellite.

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...

Full article: http://earthobservatory.nasa.gov/NaturalHazards/view.php?...

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