Pleistocene pluvial lakes

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During the Pleistocene, a southward shift of the polar jet stream in response to Laurentide ice sheet growth led to increased rainfall rates in the Great Basin of the United States that caused lake levels to rise.
Originally uploaded in Integrate:Teaching for Sustainability:InTeGrate Modules:Modeling Earth Systems:Student Materials.

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Uploaded: Nov30 14

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Image from USGS: Morrison, R.B., 1991, Quaternary stratigraphic, hydrologic, and climatic history of the Great Basin, with emphasis on Lakes Lahontan, Bonneville, and Tecopa, in Morrison, R.B., ed., Quaternary Nonglacial Geology: Conterminous U.S: Geological Society of America, p. 283-320.

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