Publications related to Eddy covariance

Distributed Sensible Heat Flux Measurement for Wireless Sensor Networks

Michael Lehning, Wolf Hendrik Huwald, Chad Higgins, Tristan Jonas Brauchli

The sensible heat flux component of the surface energy balance is typically computed using eddy covariance or two point profile measurements while alternative approaches such as the flux variance method based on convective scaling has been much less explor ...

2015

Buoyant turbulence kinetic energy (TKE) production in katabatic flow despite stable thermal stratification

Marc Parlange, Chad Higgins, Holly Jayne Oldroyd, Eric Richard Pardyjak

As micrometeorological research shifts to increasingly non-idealized environments, the lens through which we view classical atmospheric boundary layer theory must also shift to accommodate unfamiliar behavior. We present observations of katabatic flow over ...

2015

Controls on the diurnal streamflow cycles in two subbasins of an alpine headwater catchment

Marc Parlange, Steven Vincent Weijs, Marc Calaf Bracons, Holly Jayne Oldroyd, Raphaël Mutzner

In high-altitude alpine catchments, diurnal streamflow cycles are typically dominated by snowmelt or ice melt. Evapotranspiration-induced diurnal streamflow cycles are less observed in these catchments but might happen simultaneously. During a field campai ...

American Geophysical Union2015

A low-cost sensible heat flux sensor for potential use in wireless sensor networks and citizen observatories

Wolf Hendrik Huwald, Alexander Bahr, Steven Vincent Weijs, Chad Higgins, Tristan Jonas Brauchli, Nicolas Bigler

The sensible heat flux is an important component of the land-atmosphere energy exchange but is relatively expensive to measure using standard techniques such as eddy covariance. Application of a flux variance method based on Monin-Obukhov similarity theory ...

2014

Canopy-wake dynamics and wind sheltering effects on Earth surface fluxes

Fernando Porté Agel, Corey Dean Markfort

The atmospheric boundary layer adjustment at the abrupt transition from a canopy (forest) to a flat surface (land or water) is investigated in a wind tunnel experiment. Detailed measurements examining the effect of canopy turbulence on flow separation, red ...

Springer2014

Surface heat flux variability of a large lake: Lake Geneva, Switzerland

David Andrew Barry, Ulrich Lemmin, Damien Bouffard, Abolfazl Irani Rahaghi

The heat budget of a lake is a fundamental component of physical limnology, and is strongly dependent on the surface heat flux. However, the surface energy exchange depends on several factors, making it difficult to estimate. In this study we employed seve ...

2014

Evaluation of modelled snow depth and snow water equivalent at three contrasting sites in Switzerland using SNOWPACK simulations driven by different meteorological data input

Michael Lehning, Charles Fierz

The knowledge of certain snow indices such as the number of snow days, maximum snow depth and snow water equivalent or the date of snow disappearance is important for many economical and ecological applications. However, snow data are frequently not availa ...

Elsevier2014

Marc Parlange, Chad Higgins, Eric Richard Pardyjak, Daniel Nadeau

In this study,we investigate the validity of similarity scaling over a steep mountain slope (30–41◦). The results are based on eddy-covariance data collected during the Slope Experiment near La Fouly (SELF-2010); a field campaign conducted in a narrow vall ...

Springer2013

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Eddy covariance

Distributed Sensible Heat Flux Measurement for Wireless Sensor Networks

Buoyant turbulence kinetic energy (TKE) production in katabatic flow despite stable thermal stratification

Turbulent Transport in Complex, Alpine Environments

Utilisation des communautés d’oligochètes pour l’évaluation de la qualité biologique et du fonctionnement des cours d’eau : un bilan à partir de données genevoises (Suisse)

Controls on the diurnal streamflow cycles in two subbasins of an alpine headwater catchment

A low-cost sensible heat flux sensor for potential use in wireless sensor networks and citizen observatories

Canopy-wake dynamics and wind sheltering effects on Earth surface fluxes

Surface heat flux variability of a large lake: Lake Geneva, Switzerland

Evaluation of modelled snow depth and snow water equivalent at three contrasting sites in Switzerland using SNOWPACK simulations driven by different meteorological data input

Similarity Scaling Over a Steep Alpine Slope

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Distributed Sensible Heat Flux Measurement for Wireless Sensor Networks

Buoyant turbulence kinetic energy (TKE) production in katabatic flow despite stable thermal stratification

Turbulent Transport in Complex, Alpine Environments

Controls on the diurnal streamflow cycles in two subbasins of an alpine headwater catchment

Evaluation of modelled snow depth and snow water equivalent at three contrasting sites in Switzerland using SNOWPACK simulations driven by different meteorological data input

Canopy-wake dynamics and wind sheltering effects on Earth surface fluxes

Utilisation des communautés d’oligochètes pour l’évaluation de la qualité biologique et du fonctionnement des cours d’eau : un bilan à partir de données genevoises (Suisse)

Surface heat flux variability of a large lake: Lake Geneva, Switzerland

Similarity Scaling Over a Steep Alpine Slope

A low-cost sensible heat flux sensor for potential use in wireless sensor networks and citizen observatories