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Fall Turnover
Last Post 22 Sep 2012 02:19 PM by davesett2000. 3 Replies.
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19 Nov 2007 10:54 AM

    Originally posted by: davesett2000 on 11/24/2006 12:29:51 PM


    For 2 straight years I have meant to do a topic on Fall Turnover...but somehow boshed it Frowner<!--graemlin::(-->

    So here we go NOW Eeker<!--graemlin::eek:-->

    Fall Turnover happens when the upper layer of a lake cools to a point that it becomes colder than the lower depths. Cold water is heavier, and therefore sinks, bringing the NOW warmer water up from the depths. Many times you can tell that this process is happening by the smell of the area around the lake. Eeker<!--graemlin::eek:--> yuk Red Face<!--graemlin::o-->

    Many things can affect this process, and so too can affect fishing in a lake where this process is happening.

    I'm sure there are several folks here on the BB that are knowledgeable on this subject, and there are several good articles on the 'Net about this phenomenon too, and I will post some more info here over the next few days...so that at least....NEXT fall...you may have better success Red Face<!--graemlin::o-->
    davesett2000User is Offline Veteran Poster Veteran Poster Send Private Message Posts:2212 davesett2000
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    22 Sep 2009 02:04 PM
    I started had started this topic 3 years ago....but I can't tell what (if any) stuff I had here....so here we go again!
     
    Pegsguy wrote:
    Dave, I hate to disagree with you, but I doubt a 3 acre pond is subject to turnover at this time of year if ever. I just don't see a pond that size being deep enough to turn over. Anyone have any input here? I'm all ears and always willing to learn. Tom
    Fishin' fool in NE Illinois
     
     
    mr bill wrote:
    tom, all bodys of water will go throu some type of turn over in the fall. but with small ponds its not as noticeable. its more like a shortage of O2 because of the weeds dieing this time of year. as the weeds die-- of coarse i know that you know about this-- O2 is depleited when these weeds die they will float up to the surface. but when late oct. and early nov. rains and winds come along it pushess the weeds to one end of the pond and will help push O2 back throu the whole body of water.

    i too have a small pond that is about 3 maybe 4 acres round, only 18' at its deepest spot. right now the weeds are turning brown and have a slime that is on them-- it happens every year about now-- around thanksgiving, if the weather isn't to cold the big bass are hitting right close to shore, where the water drops to around 8' only 2/3' from the shore.

    we only do catch and release in this pond. except for about 2 meals of gills every year and the gills can only be between 6 and 8 inches. we take out only 50 a year out of it. the only fish in this pond are bass, gills and a few perch.


    Life Member David BB Linkmeister US Army '78-'85 West Central Wisconsin Photobucket
    Life Member David 2001 BB Linkmeister US Army 1978-1985 Western Wisconsin Photobucket
    davesett2000User is Offline Veteran Poster Veteran Poster Send Private Message Posts:2212 davesett2000
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    22 Sep 2009 03:10 PM

    A LOT of articles I have read about turnover always mention 39 degrees...but I gotta stick with what I originally said above...and that's if a body of water's surface area becomes colder than the lower layers, the colder water will sink...thus creating the turnover.

    But there ARE lakes that don't turnover....here's an article about one...

     

    http://geology.about.com/library/bl...ndlake.htm

     

    Here's some other articles about turnover...

     

    http://www.realbass.com/Bass_Articl..._and_Bass/

     

    http://home.comcast.net/~rkrz/infoa...rnover.htm

     

    http://www.cabelas.com/cabelas/en/t...=SEARCH_ai

     

    And here's a pdf you can download about it on the Minnesota DNR website...

     

    http://files.dnr.state.mn.us/publications/fwt/1994/Fallfish.pdf

     

    Here's search results from Google for "Fall Turnover"...

     

    http://www.google.com/search?hl=en&source=hp&q=%22Fall+Turnover%22+%2B+lakes&aq=f&oq=&aqi=


    Life Member David BB Linkmeister US Army '78-'85 West Central Wisconsin Photobucket
    Life Member David 2001 BB Linkmeister US Army 1978-1985 Western Wisconsin Photobucket
    davesett2000User is Offline Veteran Poster Veteran Poster Send Private Message Posts:2212 davesett2000
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    22 Sep 2012 02:19 PM
    Here's a new term that I've recently learned that calls lakes that "turn over" dimictic lakes

    Interesting article with links to other types of lakes

    http://en.wikipedia.org/wiki/Dimictic_lake
    Life Member David 2001 BB Linkmeister US Army 1978-1985 Western Wisconsin Photobucket
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