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Feasibility of Bubble Plume Destratification of Central Lake Erie

Boegman, Leon / Sleep, Sylvia

The central basin of Lake Erie has chronic hypoxia that is exacerbated by strong seasonal temperature stratification near the lake bed. A computational study was conducted to determine the feasibility of mechanically mixing the water column by using a bubble plume system to reduce stratification, thus facilitating vertical transport of oxygen. The most efficient design delivered an air flow rate of $0.4 - 0.5 m^{3} s^{- 1}$ through 40–50 non-interacting plumes, which only mix the watercolumn during the late summer hypoxic events. The optimal efficiency was computed using a new metric, which neglects changes in stratification resulting from meteorologically induced mixing, relative to those from artificial mixing.

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Feasibility of Bubble Plume Destratification of Central Lake Erie

Boegman, Leon / Sleep, Sylvia

The central basin of Lake Erie has chronic hypoxia that is exacerbated by strong seasonal temperature stratification near the lake bed. A computational study was conducted to determine the feasibility of mechanically mixing the water column by using a bubble plume system to reduce stratification, thus facilitating vertical transport of oxygen. The most efficient design delivered an air flow rate of $0.4 - 0.5 m^{3} s^{- 1}$ through 40–50 non-interacting plumes, which only mix the watercolumn during the late summer hypoxic events. The optimal efficiency was computed using a new metric, which neglects changes in stratification resulting from meteorologically induced mixing, relative to those from artificial mixing.

Feasibility of Bubble Plume Destratification of Central Lake Erie

Boegman, Leon / Sleep, Sylvia

The central basin of Lake Erie has chronic hypoxia that is exacerbated by strong seasonal temperature stratification near the lake bed. A computational study was conducted to determine the feasibility of mechanically mixing the water column by using a bubble plume system to reduce stratification, thus facilitating vertical transport of oxygen. The most efficient design delivered an air flow rate of $0.4 - 0.5 m^{3} s^{- 1}$ through 40–50 non-interacting plumes, which only mix the watercolumn during the late summer hypoxic events. The optimal efficiency was computed using a new metric, which neglects changes in stratification resulting from meteorologically induced mixing, relative to those from artificial mixing.

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Titel:

Feasibility of Bubble Plume Destratification of Central Lake Erie

Beteiligte:

Boegman, Leon (Autor:in) / Sleep, Sylvia (Autor:in)

Erschienen in:

Journal of Hydraulic Engineering ; 138 ; 985-989

Erscheinungsdatum:

14.05.2012

Format / Umfang:

52012-01-01 pages

ISSN:

0733-9429 , 1943-7900

DOI:

https://doi.org/10.1061/(ASCE)HY.1943-7900.0000626

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

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