Friday 23 February 2018
 

Lake Clarity

Green substrate; Source: M. Sweeney, Tahoe Project

The causes of Lake Tahoe’s clarity decline have been identified as fine sediment, nitrogen and phosphorus. Fine sediment, the greatest contributor to clarity decline, travels to the Lake primarily via stormwater from urban areas.

 

The Story of Sediment - Part 1

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story of sed

“Sediment is solid matter, like sand or gravel that is carried by water or wind. Fine sediment particles that stay suspended in the water column scatter light. This makes Lake Tahoe less clear. As the water becomes less clear a lot of other things start to happen in the Lake. It’s a big deal.”

   

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