Total and hypolimnetic aeration of lakes in Wisconsin

Wirth, Thomas L.; Knauer, D. R.; Smith, Sydney A.

doi:10.1080/03680770.1974.11896269

Cited by 3 publications

(3 citation statements)

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“…Other investigators have also observed an increase in bottom water temperatures during artificial aeration (Bernhardt, 1967 ;Fast et al, 1973 ;Toetz, 1977) . Wirth et al (1975) were able to aerate the hypolimnion of two small lakes in Wisconsin without destroying thermal stratification . The maintenance of thermal stratification during artificial aeration of one-tenth the volume of Spruce Knob Lake, provides additional evidence that aeration of small water bodies can be accomplished with minimal effect on their thermal regimes .…”

Section: Phosphorusmentioning

confidence: 99%

“…Of these two techniques, destratification has been used most often in artificial aeration studies (Dunst et al, 1974). Recent emphasis on improving water quality without causing destratification, in an attempt to reduce the effects of cultural eutrophication, has led to an increase in hypolimnetic aeration research (Fast et al, 1973(Fast et al, , 1975Bengtsson & Gelin, 1975 ;Smith et al, 1 975 ;Wirth et al, 1975 ;Garrel et al ., 1977 ;Toetz, 1977) .…”

Section: Introductionmentioning

confidence: 99%

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Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

LaBaugh

1980

Hydrobiologia

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The water mass below 3 .5 m in Spruce Knob Lake was artificially aerated with a modified full lift aerator during two consecutive summers (1974 and 1975) of an investigation that began in July of 1973 and ended in September, 1975 . Artificial aeration increased water temperature below 3 .5 m without causing destratification . Several chemical parameters were significantly affected by artificial aeration, especially from July to autumnal overturn in 1974 and 1975 . Below 3.5 m, total inorganic carbon, total alkalinity, nitrite, soluble reactive phosphorus, and total phosphorus, were lower during aeration than in the summer of no aeration (1973). Although artificial aeration lowered soluble reactive and total phosphorus, there was no significant impact on the phosphorus budget of the impoundment. In 1975, continuous aeration from vernal overturn to autumnal overturn resulted in higher nitrate concentrations below 3 .5 m than in the preceeding summers . Lower pH values encountered through the whole water column in 1975 followed a brief isothermal interruption of summer stratification in early June. There was no direct effect of artificial aeration on either temperature or water chemistry parameters in the epilimnion . Significantly lower chlorophyll concentrations observed in 1975 were related to destratification in June . Primary production was unaffected by aeration .

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Section: Phosphorusmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

LaBaugh

1980

Hydrobiologia

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“…Ironically, the use of hypolimnetic aeration in lakes that are prone to the development of metalimnetic minima and that are frequently regarded as prime candidates for aeration (Ohle 1974;Fast et al 1975;Wirth et al 1975) may be misdirected, particularly if the intention is to create improved chemical conditions for coldwater fish. Suitable chemical conditions can be created in the hypolimnion by hypolimnetic aeration, but the results presented here indicate that the development of suitable biological conditions may be limited by the presence of an anoxic, H2S-rich metlimnion.…”

Section: Discussionmentioning

confidence: 99%

Hypolimnetic Aeration and Zooplankton Distribution: A Possible Limitation to the Restoration of Cold-Water Fish Production

Taggart¹

1984

Can. J. Fish. Aquat. Sci.

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One. ha38 1P3 Taggart, C. 8. 1984. Hypolimnetic aeration and zooplankton distribution: a possible limitation to the restoration of cold-water fish production. Can. I. Hypolimnetic aeration of a 1.23-ha eutrophic kettle lake during two consecutive summers increased [Qzl to more than 4m@L in the hypolimnion for extended periods. This improvement did not lead to the expected development of crustacean populations in the previously anoxic, zooplankton-deficient hypo. Bimnion. The rotifer Fdinia longiseta was the only zooplankter present, as isolated populations, in both the epilimnion and hypolimnion during summer. Eighty percent of the summer zooplankton community occurred exclusively in the epilimnion, and this was related to the development of an anoxic and toxic metalimnion that restricted migration from the epilimnion to the hypolimnion. Confinement of the zooplankton to the epilimnion coupled with predation by fathead minnows (Pirnephales promelas) appeared to be responsible for the change in the zooplankton community from large cladocerans and copepods to smaller species. This study suggests that hypolimnetic aeration as a means of restoring or enhancing the production of cold-water fish may be thwarted by the development of a stable anoxic and toxic metalimnion that precludes the development of the zooplankton food resource.L'aeration hypolimnetique d'une marmite eutrophe d'une superficie de I ,23ha durant deux etes consecutifs eut pour effet d'augmenter [Q2] a plus de 4mgL dans Ifhypolimnion pendant de longues periodes. Cette amelioration n'a pas cause le d6veloppement anticipe des populations d e crustaces dans un hypolimnion pauvre en zooplankton, precedemment anoxique. ke rotifere Filinia longiseta etait le seul zooplancton present, en populations isolees, a la fois dans I'epilimnion et l'hypolimnion en kte. Quatrevingt pour cent des communaut6s zooplanctoniques estivaies ont 6te trouvees exclusivement dans l'epilimnion, et ceci a ete attribue a la formation d'un m$ta%imnion anoxique et toxique, imposant des restrictions a la migration de I'epilimnion vers I'hypolimnion. k'emprisonnement du zooplancton dans !'epilirnnion, joint a la predation par le t6te-de-bouie (Pirnephalesprsrnelas), semble avoir ete responsable du changement qui s'est produit dans la communaute zooplanctonique, depuis de gros ciadoceres et copepodes a des especes plus petites. Cette etude donne a penser que l'aeration hypolimn6tique comme moyen d e retablir ou d'amkliorer 12% production d e poissons d'eau froide peut 6tre limitee par la formation d'un metalimnion anoxique et toxique stable empechant le developpement de B a ressokerce aiimentaire zooplanctonique.

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Restoration of a landlocked estuary/lake with H₂S leakage to the surroundings

Grøterud¹

2000

SIL Proceedings, 1922-2010

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Total and hypolimnetic aeration of lakes in Wisconsin

Cited by 3 publications

References 2 publications

Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

Hypolimnetic Aeration and Zooplankton Distribution: A Possible Limitation to the Restoration of Cold-Water Fish Production

Restoration of a landlocked estuary/lake with H₂S leakage to the surroundings

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Total and hypolimnetic aeration of lakes in Wisconsin

Cited by 3 publications

References 2 publications

Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

Water chemistry changes during artificial aeration of spruce Knob Lake, West Virginia

Hypolimnetic Aeration and Zooplankton Distribution: A Possible Limitation to the Restoration of Cold-Water Fish Production

Restoration of a landlocked estuary/lake with H2S leakage to the surroundings

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Restoration of a landlocked estuary/lake with H₂S leakage to the surroundings