Personne
Mathias Thierry Pierre Bavay
Cette personne n’est plus à l’EPFL
Publications associées (26)
Influence of sun cups on surface albedo of wet Alpine snowpack
Michael Lehning, Mathias Thierry Pierre Bavay, Francesca Carletti
In high elevation Alpine areas, characterised by high snow accumulation and radiation-driven melt processes, the formation of peculiar ablation features called sun cups can be observed. Sun cups likely influence the energy and mass balance of the wet snowp ...
2024A comparison of hydrological models with different level of complexity in Alpine regions in the context of climate change
Michael Lehning, Adrien Michel, Mathias Thierry Pierre Bavay, Francesca Carletti
This study compares the ability of two degree-day models (Poli-Hydro and a degree-day implementation of Alpine3D) and one full energy-balance melt model (Alpine3D) to predict the discharge on two partly glacierized Alpine catchments of different size and i ...
2021Simulation of snow management in Alpine ski resorts using three different snow models
Michael Lehning, Mathias Thierry Pierre Bavay
Snow management, i. e., snowmaking and grooming, is an integral part of modern ski resort management. While the current snow cover distribution on the slopes is often well known thanks to the usage of advanced monitoring techniques, information about its f ...
ELSEVIER2020How much can we save? Impact of different emission scenarios on future snow cover in the Alps
Michael Lehning, Mathias Thierry Pierre Bavay, Sebastian Schlögl
This study focuses on an assessment of the future snow depth for two larger Alpine catchments. Automatic weather station data from two diverse regions in the Swiss Alps have been used as input for the Alpine3D surface process model to compute the snow cove ...
Copernicus GmbH2017Simulating the influence of snow surface processes on soil moisture dynamics and streamflow generation in an alpine catchment
Michael Lehning, Nander Wever, Francesco Comola, Mathias Thierry Pierre Bavay
The assessment of flood risks in alpine, snow-covered catchments requires an understanding of the linkage between the snow cover, soil and discharge in the stream network. Here, we apply the comprehensive, distributed model Alpine3D to investigate the role ...
Copernicus GmbH2017Distributed snow and rock temperature modelling in steep rock walls using Alpine3D
Michael Lehning, Nander Wever, Mathias Thierry Pierre Bavay
In this study we modelled the influence of the spatially and temporally heterogeneous snow cover on the surface energy balance and thus on rock temperatures in two rugged, steep rock walls on the Gemsstock ridge in the central Swiss Alps. The heterogeneous ...
Copernicus GmbH2017Scaling Precipitation Input to Spatially Distributed Hydrological Models by Measured Snow Distribution
Michael Lehning, Nander Wever, Mathias Thierry Pierre Bavay
Accurate knowledge on snow distribution in alpine terrain is crucial for various applications such as flood risk assessment, avalanche warning or managing water supply and hydro-power. To simulate the seasonal snow cover development in alpine terrain, the ...
Frontiers Media Sa2016Sensitivity of Alpine3D modeled snow cover to modifications in DEM resolution, station coverage and meteorological input quantities
Michael Lehning, Mathias Thierry Pierre Bavay, Sebastian Schlögl
This study presents a comprehensive sensitivity and uncertainty assessment of important input parameters on the Alpine3D modeled snow water equivalent (SWE) for two different alpine catchments. Horizontal resolution of the DEM grid, station coverage and se ...
Elsevier2016StreamFlow 1.0: an extension to the spatially distributed snow model Alpine3D for hydrological modelling and deterministic stream temperature prediction
Michael Lehning, Wolf Hendrik Huwald, Francesco Comola, Mathias Thierry Pierre Bavay, Tristan Jonas Brauchli, Aurélien Gallice
Climate change is expected to strongly impact the hydrological and thermal regimes of Alpine rivers within the coming decades. In this context, the development of hydrological models accounting for the specific dynamics of Alpine catchments appears as one ...
Copernicus Gesellschaft Mbh2016Scale-dependent effects of solar radiation patterns on the snow-dominated hydrologic response
Andrea Rinaldo, Michael Lehning, Bettina Schaefli, Francesco Comola, Mathias Thierry Pierre Bavay, Gianluca Botter, Pierfrancesco Da Ronco
Solar radiation is a dominant driver of snowmelt dynamics and streamflow generation in alpine catchments. A better understanding of how solar radiation patterns affect the hydrologic response is needed to assess when calibrated temperature-index models are ...
American Geophysical Union2015