Clarity focus of Tahoe Summit
August 16, 2007
Some critics argue it’s too simple - crude even - but experts say that’s the advantage of the white disk, called the Secchi dish, lowered into the lake to determine clarity.”When people ask, what is clarity, what they’re really asking is how far down can I see to the bottom of the lake,” said UC Davis researcher Brant Allen, who conducted the test Wednesday. “For translating scientific clarity to the public, you can’t beat the Secchi dish.”Allen watched as the Frisbee-sized dish sank deeper and deeper into Tahoe’s famously blue water. Once it disappeared from sight, the depth of clarity for that day was determined - about 67.3 feet.==Start Related Links|Annual clarity measurements==
Related posts: [ Impact of the Angora fire on water clarity ] [ Tahoe Summit: 10 years later ] [ Weighing in on the Piers ] [ TRPA postpones pier review ] [ Thank you ]
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