Re: **********FYI- Just what is the Thermocline? **********

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Posted by bubba on June 07, 2019 at 08:53:20:

In Reply to: ********** First Hartwell TEMP/DO data as of 6/3/19 ********** posted by bubba on June 07, 2019 at 08:45:50:

Here is the definition of the Thermocline:
Thermocline: Depth at which the rate of decrease of temperature with increase of depth is the largest.

This is also the depth where the change in density of the water, which increases as it gets colder, is the greatest. The more dense the water the more buoyant objects become. Therefore, as Biologist William Jabour told us at an ASC meeting a while back, small microorganisms, etc. which are sinking thru the less dense, warmer water will stop sinking and suspend when they reach the more dense, colder water at the thermocline. This layer of suspended microorganisms, etc. is what shows up on your sonar as the thermocline.

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