Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes

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Effects of hypolimnetic oxygenation on water quality : Results from five Danish lakes. / Liboriussen, Lone; Søndergaard, Martin; Jeppesen, Erik; Thorsgaard, Inge; Grünfeld, Simon; Jakobsen, Tue S.; Hansen, Kim.

I: Hydrobiologia, Bind 625, Nr. 1, 01.06.2009, s. 157-172.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Liboriussen, L, Søndergaard, M, Jeppesen, E, Thorsgaard, I, Grünfeld, S, Jakobsen, TS & Hansen, K 2009, 'Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes', Hydrobiologia, bind 625, nr. 1, s. 157-172. https://doi.org/10.1007/s10750-009-9705-0

APA

Liboriussen, L., Søndergaard, M., Jeppesen, E., Thorsgaard, I., Grünfeld, S., Jakobsen, T. S., & Hansen, K. (2009). Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes. Hydrobiologia, 625(1), 157-172. https://doi.org/10.1007/s10750-009-9705-0

CBE

Liboriussen L, Søndergaard M, Jeppesen E, Thorsgaard I, Grünfeld S, Jakobsen TS, Hansen K. 2009. Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes. Hydrobiologia. 625(1):157-172. https://doi.org/10.1007/s10750-009-9705-0

MLA

Vancouver

Liboriussen L, Søndergaard M, Jeppesen E, Thorsgaard I, Grünfeld S, Jakobsen TS o.a. Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes. Hydrobiologia. 2009 jun 1;625(1):157-172. https://doi.org/10.1007/s10750-009-9705-0

Author

Liboriussen, Lone ; Søndergaard, Martin ; Jeppesen, Erik ; Thorsgaard, Inge ; Grünfeld, Simon ; Jakobsen, Tue S. ; Hansen, Kim. / Effects of hypolimnetic oxygenation on water quality : Results from five Danish lakes. I: Hydrobiologia. 2009 ; Bind 625, Nr. 1. s. 157-172.

Bibtex

@article{d379d28da3e3457889c08c5b4c18e10b,
title = "Effects of hypolimnetic oxygenation on water quality: Results from five Danish lakes",
abstract = "Stratified eutrophic lakes often suffer from hypolimnetic oxygen depletion during summer. This may lead to low redox conditions and accumulation of phosphate and ammonia in the hypolimnion. Hypolimnetic oxygenation has been used as a lake management strategy to improve the water quality in five eutrophic dimictic Danish lakes where oxygenation was conducted for 4-20 years. In one lake, the hypolimnetic oxygen concentration clearly improved by oxygenation, whereas the other four lakes still exhibited low mean summer levels (<2.2 mg O2 l-1). Oxygenation generally increased the hypolimnetic water temperature by 0.5-2°C, but in one lake it increased by 4-6°C. In all lakes, oxygenation significantly reduced the hypolimnetic concentrations of phosphorus and ammonia during stratification. The accumulation of phosphorus and ammonia typically decreased by 40-88{\%}. In two lakes oxygenation was stopped for 1-2 years and here hypolimnion concentrations of both phosphorus and ammonia increased again. Surface water quality only improved in one lake, but was likely also influenced by simultaneously occurring changes in external nutrient loading. Overall, it is concluded that hypolimnetic oxygenation reduces the hypolimnetic accumulation of phosphorus and ammonia and may prevent anoxia in the deeper parts of the lake. However, long-term oxygenation is required and it is uncertain whether the overall lake water quality can be improved by oxygenation. Reduction of the external nutrient loading is still essential to improve lake water quality.",
keywords = "Anoxic, Lake management, Lake restoration, Nutrient accumulation, Oxygen, Oxygenation",
author = "Lone Liboriussen and Martin S{\o}ndergaard and Erik Jeppesen and Inge Thorsgaard and Simon Gr{\"u}nfeld and Jakobsen, {Tue S.} and Kim Hansen",
year = "2009",
month = "6",
day = "1",
doi = "10.1007/s10750-009-9705-0",
language = "English",
volume = "625",
pages = "157--172",
journal = "Journal of Applied Phycology",
issn = "0921-8971",
publisher = "Springer",
number = "1",

}

RIS

TY - JOUR

T1 - Effects of hypolimnetic oxygenation on water quality

T2 - Results from five Danish lakes

AU - Liboriussen, Lone

AU - Søndergaard, Martin

AU - Jeppesen, Erik

AU - Thorsgaard, Inge

AU - Grünfeld, Simon

AU - Jakobsen, Tue S.

AU - Hansen, Kim

PY - 2009/6/1

Y1 - 2009/6/1

N2 - Stratified eutrophic lakes often suffer from hypolimnetic oxygen depletion during summer. This may lead to low redox conditions and accumulation of phosphate and ammonia in the hypolimnion. Hypolimnetic oxygenation has been used as a lake management strategy to improve the water quality in five eutrophic dimictic Danish lakes where oxygenation was conducted for 4-20 years. In one lake, the hypolimnetic oxygen concentration clearly improved by oxygenation, whereas the other four lakes still exhibited low mean summer levels (<2.2 mg O2 l-1). Oxygenation generally increased the hypolimnetic water temperature by 0.5-2°C, but in one lake it increased by 4-6°C. In all lakes, oxygenation significantly reduced the hypolimnetic concentrations of phosphorus and ammonia during stratification. The accumulation of phosphorus and ammonia typically decreased by 40-88%. In two lakes oxygenation was stopped for 1-2 years and here hypolimnion concentrations of both phosphorus and ammonia increased again. Surface water quality only improved in one lake, but was likely also influenced by simultaneously occurring changes in external nutrient loading. Overall, it is concluded that hypolimnetic oxygenation reduces the hypolimnetic accumulation of phosphorus and ammonia and may prevent anoxia in the deeper parts of the lake. However, long-term oxygenation is required and it is uncertain whether the overall lake water quality can be improved by oxygenation. Reduction of the external nutrient loading is still essential to improve lake water quality.

AB - Stratified eutrophic lakes often suffer from hypolimnetic oxygen depletion during summer. This may lead to low redox conditions and accumulation of phosphate and ammonia in the hypolimnion. Hypolimnetic oxygenation has been used as a lake management strategy to improve the water quality in five eutrophic dimictic Danish lakes where oxygenation was conducted for 4-20 years. In one lake, the hypolimnetic oxygen concentration clearly improved by oxygenation, whereas the other four lakes still exhibited low mean summer levels (<2.2 mg O2 l-1). Oxygenation generally increased the hypolimnetic water temperature by 0.5-2°C, but in one lake it increased by 4-6°C. In all lakes, oxygenation significantly reduced the hypolimnetic concentrations of phosphorus and ammonia during stratification. The accumulation of phosphorus and ammonia typically decreased by 40-88%. In two lakes oxygenation was stopped for 1-2 years and here hypolimnion concentrations of both phosphorus and ammonia increased again. Surface water quality only improved in one lake, but was likely also influenced by simultaneously occurring changes in external nutrient loading. Overall, it is concluded that hypolimnetic oxygenation reduces the hypolimnetic accumulation of phosphorus and ammonia and may prevent anoxia in the deeper parts of the lake. However, long-term oxygenation is required and it is uncertain whether the overall lake water quality can be improved by oxygenation. Reduction of the external nutrient loading is still essential to improve lake water quality.

KW - Anoxic

KW - Lake management

KW - Lake restoration

KW - Nutrient accumulation

KW - Oxygen

KW - Oxygenation

UR - http://www.scopus.com/inward/record.url?scp=62149101934&partnerID=8YFLogxK

U2 - 10.1007/s10750-009-9705-0

DO - 10.1007/s10750-009-9705-0

M3 - Journal article

VL - 625

SP - 157

EP - 172

JO - Journal of Applied Phycology

JF - Journal of Applied Phycology

SN - 0921-8971

IS - 1

ER -