Publications related to Dimictic lake

Stratification, mixing and transport processes in Lake Kivu

This chapter summarizes the knowledge on mixing and transport processes in Lake Kivu. Seasonal mixing, which varies in intensity from year to year, influences the top â¼65 m. Below, the lake is permanently stratified, with density increasing stepwise from ...

Springer2012

Spatial and temporal presence of a wastewater-derived micropollutant plume in Lake Geneva

Tamar Kohn, Florence Bonvin, Rebecca Rutler

This study discusses the occurrence and environmental risk associated with a micropollutant plume originating from the direct discharge of treated wastewater into the Vidy Bay of Lake Geneva, Switzerland. The temporal variations and spatial extent of the p ...

2011

Hypolimnetic oxygen consumption by sediment-based reduced substances in former eutrophic lakes

Alfred Johny Wüest, Beat Mueller, Martin Schmid

We quantified the areal hypolimnetic mineralization rate (AHM; total areal hypolimnetic oxygen depletion including the formation of reduced substances) in two formerly eutrophic lakes based on 20 yr of water-column data collected during oligotrophication. ...

Amer Soc Limnology Oceanography2010

Double-diffusive convection in Lake Kivu

Alfred Johny Wüest, Martin Schmid

Double-diffusive staircases with a total of 230-350 mixed layers and sharp interfaces were observed in nine microstructure temperature profiles measured during February 2004 in Lake Kivu. The presence of these staircases at depths. 120 m indicates that dia ...

Amer Soc Limnology Oceanography2010

Distributed fiber-optic temperature sensing for hydrologic systems

Luc Thévenaz, Wolf Hendrik Huwald, Marc Parlange, Nicolaas Cornelis van de Giesen

Instruments for distributed fiber-optic measurement of temperature are now available with temperature resolution of 0.01°C and spatial resolution of 1 m with temporal resolution of fractions of a minute along standard fiber-optic cables used for communicat ...

2006

Application of k-epsilon turbulence models to enclosed basins: The role of internal seiches

Alfred Johny Wüest

[1] A numerical model was developed for the prediction of the density stratification of lakes and reservoirs. It combines a buoyancy-extended k-epsilon model with a seiche excitation and damping model to predict the diffusivity below the surface mixed laye ...

Amer Geophysical Union2002

Observations of mixing near the sides of a deep lake in winter

Ulrich Lemmin

The dissipation rate of turbulent kinetic energy per unit mass, epsilon, vertical eddy diffusivity, K-z, and the rate of dissipation of temperature variance, X, are estimated over the sloping sides of Lake Geneva both far from and near the bed, using tempe ...

American Society of Limnology and Oceanography2002

Probability density of displacement and overturning length scales under diverse stratification

Alfred Johny Wüest

[1] Vertical overturns, produced by turbulence in density-stratified lakes and oceans, are often quantified by the Thorpe scale, L-T. The correlation between L-T and the Ozmidov (energy-containing) scale can be used to estimate rates of turbulent dissipati ...

Amer Geophysical Union2002

Bottom boundary mixing: the role of near-sediment density stratification

Alfred Johny Wüest

The turbulent dynamics and stratification of bottom boundary layers, as well as the net diapycnal buoyancy flux in the deep water, have been observed to vary strongly among lakes. The most relevant parameters governing the different regimes are the bottom ...

Am. Geophys. Union1998

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Dimictic lake

Stratification, mixing and transport processes in Lake Kivu

Spatial and temporal presence of a wastewater-derived micropollutant plume in Lake Geneva

Hypolimnetic oxygen consumption by sediment-based reduced substances in former eutrophic lakes

Double-diffusive convection in Lake Kivu

Circulation in stratified lakes due to flood-induced turbidity currents

Distributed fiber-optic temperature sensing for hydrologic systems

Application of k-epsilon turbulence models to enclosed basins: The role of internal seiches

Observations of mixing near the sides of a deep lake in winter

Probability density of displacement and overturning length scales under diverse stratification

Bottom boundary mixing: the role of near-sediment density stratification

Graph Chatbot

Chat with Graph Search

Circulation in stratified lakes due to flood-induced turbidity currents

Stratification, mixing and transport processes in Lake Kivu

Hypolimnetic oxygen consumption by sediment-based reduced substances in former eutrophic lakes

Spatial and temporal presence of a wastewater-derived micropollutant plume in Lake Geneva

Double-diffusive convection in Lake Kivu

Application of k-epsilon turbulence models to enclosed basins: The role of internal seiches

Bottom boundary mixing: the role of near-sediment density stratification

Probability density of displacement and overturning length scales under diverse stratification

Distributed fiber-optic temperature sensing for hydrologic systems

Observations of mixing near the sides of a deep lake in winter