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Turbidity

Turbidity. Research by: Roy C., Tim V., and Dashawn D. What is Turbidity?. Turbidity is the measure of degree of which the water loses its transparency. It is measured in NTU ( Nephelometric Turbidity Units) The lower the NTU the clearer the water. . What Cause Turbidity?.

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Turbidity

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  1. Turbidity Research by: Roy C., Tim V., and Dashawn D.

  2. What is Turbidity? • Turbidity is the measure of degree of which the water loses its transparency. • It is measured in NTU (Nephelometric Turbidity Units) • The lower the NTU the clearer the water.

  3. What Cause Turbidity? • Sediments from erosion (Dirt) • Algae Growth (e.g. Algae from school pond made it cloudy). • Urban Runoff (Water running down street into a lake or river. • Resuspended sediments from the bottom (e.g. Silt from school pond)

  4. Environmental Problems from Turbidity • Turbidity can limit a fish vision. • At a very high level of turbidity it can affect a fish growth and survival (e.g. interfering with gill function). • Turbidity usual only affects fresh water fish because turbidity in the ocean is not as bad.

  5. How to Test Turbidity • Refer to Paper

  6. Links We Used • http://en.wikipedia.org/wiki/Secchi_disk • http://www.mlswa.org/secchi.htm • http://www.lenntech.com/turbidity.htm • http://justin-meager.com/turbid.htm

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