Turbidity
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Turbidity. By Meghan Doyle, Olivia Golden, Emma Millspaugh, and Madeline DeNofio. Turbidity is. The cloudiness of a liquid caused by individual particles that are invisible to the naked eye. Caused by storm water runoff, construction near water, or growth of phytoplankton in open water.

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Turbidity

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Turbidity

Turbidity

By Meghan Doyle, Olivia Golden, Emma Millspaugh, and Madeline DeNofio


Turbidity is

Turbidity is

  • The cloudiness of a liquid caused by individual particles that are invisible to the naked eye.

  • Caused by storm water runoff, construction near water, or growth of phytoplankton in open water.


Ntus and jtus

NTUs and JTUs

  • NTU stands for Nephelometric Turbidity Units, the unit of measurement used when taking the turbidity of a body of water. It is measured using a Nephelometer, which is calibrated using standards containing a polymer which is similar to milk in appearance.

  • JTU stands for Jackson Turbidity units, another unit of measurement used in reference to the turbidity of a body of water. Found by using the Jackson Tube to take turbidity and is no longer used as it cannot take the turbidity of a substance under the JTU of 25.

  • Both units of measurement are the same, and thus differ mainly in accuracy and tool used to achieve the information.


Problems with increased turbidity

Problems with Increased Turbidity

  • Can lead to reduction in plant life and amounts of oxygen in the water, leading to decreased animal life by decreasing the amount of light that can reach the plant growth at the bottom of a body of water.

  • The ideal amount of NTUs is under 25, as that would be classified as a clear pond and support the most fish and plant life (around 162 fish per acre). However, based on recent events the river is most easily classified as a muddy pond, which has over 100 NTUs. This allows it to support very little plant and animal life (around 29 fish per acre).


How to decrease turbidity

How to decrease Turbidity

  • Stop large and land altering construction projects near important rivers.

  • Cover the banks with native trees and plants to prevent soil erosion

  • Limit disruptive and polluting activities on the river.


Turbidity

  • http://www.h2ou.com/h2wtrqual.htm

  • http://en.wikipedia.org/wiki/Turbidity

  • http://www.environmen.nsw.gov.au/resources/waterwatch/estauryGuid/20100685EstauryGuid_S2.pdf


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