Zobrazeno 1 - 10 of 50 pro vyhledávání: '"Jean‐Martial Cohard"'
1
Akademický článek
A parametric sensitivity analysis for prioritizing regolith knowledge needs for modeling water transfers in the West African critical zone
Autor: Amelie Herzog, Basile Hector, Jean‐Martial Cohard, Jean‐Michel Vouillamoz, Fabrice Messan Amene Lawson, Christophe Peugeot, Inge deGraaf
Publikováno v: Vadose Zone Journal, Vol 20, Iss 6, Pp n/a-n/a (2021)
Abstract Hard rock aquifers (HRAs) in West Africa (WA) are located within a thick regolith layer. The representation of thick tropical regolith in integrated hydrological models lacks consensus on aquifer geometries and parameter ranges. Our main obj
Externí odkaz: https://doaj.org/article/d2d9e31d27c44f45a037f3b863b2fb10
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2
Akademický článek
From SMOS Soil Moisture to 3-hour Precipitation Estimates at 0.1° Resolution in Africa
Autor: Thierry Pellarin, Alexandre Zoppis, Carlos Román-Cascón, Yann H. Kerr, Nemesio Rodriguez-Fernandez, Geremy Panthou, Nathalie Philippon, Jean-Martial Cohard
Publikováno v: Remote Sensing, Vol 14, Iss 3, p 746 (2022)
Several recent studies have shown that knowledge of the spatiotemporal dynamics of soil moisture intrinsically contains information on precipitation. In this study, we show how SMOS measurements can be used to generate a near-real-time precipitation
Externí odkaz: https://doaj.org/article/cc12f84dd13849bdaf32965c79436573
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3
Impact of distributed meteorological forcing on simulated snow cover and hydrological fluxes over a mid-elevation alpine micro-scale catchment
Autor: Aniket Gupta, Alix Reverdy, Jean-Martial Cohard, Basile Hector, Marc Descloitres, Jean-Pierre Vandervaere, Catherine Coulaud, Romain Biron, Lucie Liger, Reed Maxwell, Jean-Gabriel Valay, Didier Voisin
Publikováno v: Hydrology and Earth System Sciences. 27:191-212
From the micro- to the mesoscale, water and energy budgets of mountainous catchments are largely driven by topographic features such as terrain orientation, slope, steepness, and elevation, together with associated meteorological forcings such as pre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3fea9d3b74356f13f1adaf43f26526ec
https://doi.org/10.5194/hess-27-191-2023
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4
Mean flow structure of katabatic winds and turbulent mixing properties
Autor: Claudine Charrondière, Christophe Brun, Emil J. Hopfinger, Jean-Martial Cohard, Jean-Emmanuel Sicart
Publikováno v: Journal of Fluid Mechanics. 941
The recent field measurements of katabatic winds on steep alpine slopes provide a unique database for theoretical analysis of the mean flow development and the determination of mixing properties. The theory is based on the depth-integrated momentum a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92e69e7f069e88274a5b5a562105e5bf
https://doi.org/10.1017/jfm.2022.281
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6
Snow/rain source mixing and residence time modeling in a sub-alpine mountainous catchment under global warming
Autor: Aniket Gupta, Didier Voisin, Jean-Martial Cohard
Mountain catchments behavior is largely governed by snow accumulation and melting regime. These intricate water fluxes sustain the streamflow response for several months and maintain the surface moisture until late summer. The melting snow slowly per
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8091166f128237bbc1af2ccb65783336
https://doi.org/10.5194/egusphere-egu22-7894
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7
Turbulent flow in the inner layer of a katabatic jet along a steep alpine slope
Autor: Christophe Brun, Claudine Charrondière, Emil Hopfinger, Jean-Martial Cohard, Jean-Emmanuel Sicart
Katabatic winds are generated by the combination of a vertical density gradient, slope and gravity, when the surface radiative budget is negative. We presently analyse some results of a campaign led in the French Alps in 2019 (Charrondière et al. 20
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a27058036683333a0db7cdca8b2ebb58
https://doi.org/10.5194/egusphere-egu22-6441
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8
From SMOS Soil Moisture to 3-hour Precipitation Estimates at 0.1 degrees Resolution in Africa
Autor: Thierry Pellarin, Alexandre Zoppis, Carlos Román-Cascón, Yann H. Kerr, Nemesio Rodriguez-Fernandez, Geremy Panthou, Nathalie Philippon, Jean-Martial Cohard
Publikováno v: Remote Sensing, Vol 14, Iss 746, p 746 (2022)
Remote Sensing
Remote Sensing, 2022, 14 (3), pp.746. ⟨10.3390/rs14030746⟩
E-Prints Complutense. Archivo Institucional de la UCM
instname
Remote Sensing; Volume 14; Issue 3; Pages: 746
International audience; Several recent studies have shown that knowledge of the spatiotemporal dynamics of soil moisture intrinsically contains information on precipitation. In this study, we show how SMOS measurements can be used to generate a near-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b1ba4c831db1ff43544d2b705b43a24
https://eprints.ucm.es/id/eprint/74655/
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9
Impact of distributed meteorological forcing on snow dynamic and induced water fluxes over a mid-elevation alpine micro-scale catchment
Autor: Aniket Gupta, Alix Reverdy, Jean-Martial Cohard, Didier Voisin, Basile Hector, Marc Descloitres, Jean-Pierre Vandervaere, Catherine Coulaud, Romain Biron, Lucie Liger, Jean-Gabriel Valay, Reed Maxwell
From the micro to mesoscale, water and energy budgets of mountainous catchments are largely driven by topographic features such as terrain orientation, slope, steepness, elevation together with associated meteorological forcings such as precipitation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df36ced8829723fb0a2ec999280aad53
https://doi.org/10.5194/hess-2021-639
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10
Katabatic Winds over Steep Slopes: Overview of a Field Experiment Designed to Investigate Slope-Normal Velocity and Near-Surface Turbulence
Autor: Catherine Coulaud, Claudine Charrondière, Hélène Guyard, Jean-Martial Cohard, Martin Obligado, Romain Biron, Jean-Emmanuel Sicart, Christophe Brun
Publikováno v: Boundary-Layer Meteorology
Boundary-Layer Meteorology, 2022, 182 (1), pp.29-54. ⟨10.1007/s10546-021-00644-y⟩
Boundary-Layer Meteorology, Springer Verlag, 2021, ⟨10.1007/s10546-021-00644-y⟩
We describe a new field campaign over a steep, snowy $$30^{\circ }$$ alpine slope, designed to investigate three recurrent issues in experimental studies of steep-slope katabatic winds. (1) Entrainment is known to be present in katabatic jets and has
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0f20bd37f6ba4b82e28158b2d6999b1
https://hal.science/hal-03350043/document
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