Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Jean-Philippe Chazarin"'
1
Akademický článek
Modeling Land Surface Fluxes from Uncertain Rainfall: A Case Study in the Sahel with Field-Driven Stochastic Rainfields
Autor: Bernard Cappelaere, Denis Feurer, Théo Vischel, Catherine Ottlé, Hassane Bil-Assanou Issoufou, Stéphane Saux-Picart, Ibrahim Maïnassara, Monique Oï, Jean-Philippe Chazarin, Hélène Barral, Benoit Coudert, Jérôme Demarty
Publikováno v: Atmosphere, Vol 11, Iss 5, p 465 (2020)
In distributed land surface modeling (LSM) studies, uncertainty in the rainfields that are used to force models is a major source of error in predicted land surface response variables. This is particularly true for applications in the African Sahel r
Externí odkaz: https://doaj.org/article/d5b6d0310d304be98bed7d4b67a5d505
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2
Akademický článek
Evapotranspiration Estimation in the Sahel Using a New Ensemble-Contextual Method
Autor: Aubin Allies, Jérôme Demarty, Albert Olioso, Ibrahim Bouzou Moussa, Hassane Bil-Assanou Issoufou, Cécile Velluet, Malik Bahir, Ibrahim Maïnassara, Monique Oï, Jean-Philippe Chazarin, Bernard Cappelaere
Publikováno v: Remote Sensing, Vol 12, Iss 3, p 380 (2020)
In many tropical areas, evapotranspiration is the most important but least known component of the water cycle. An innovative method, named E3S (for EVASPA S-SEBI Sahel), was developed to provide spatially-distributed estimates of daily actual evapotr
Externí odkaz: https://doaj.org/article/349c436d26574370b12dab91ddeef895
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3
Akademický článek
A New Water Level Measurement Method Combining Infrared Sensors and Floats for Applications on Laboratory Scale Channel under Unsteady Flow Regime
Autor: Samer Majdalani, Jean-Philippe Chazarin, Roger Moussa
Publikováno v: Sensors, Vol 19, Iss 7, p 1511 (2019)
In this paper, we studied water transport under an unsteady flow regime in an experimental channel (4 m in length; 3 cm in width). Our experiments implicated some measuring requirements, specifically, a water level (WL) detection technique that is ab
Externí odkaz: https://doaj.org/article/ef6f181d65f24490bee9b4db0b3331be
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7
Sky longwave radiation on tropical Andean glaciers: parameterization and sensitivity to atmospheric variables
Autor: Jean Philippe Chazarin, Pierre Ribstein, Regine Hock, Jean Emmanuel Sicart
Publikováno v: Journal of Glaciology. 56:854-860
In mountain environments, longwave radiation provides large amounts of melt energy for high-albedo snow surfaces and can dominate in the energy balance of snow or glacier surfaces under cloudy skies. This study examines the atmospheric controls of sk
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34d0819bbd462dc2c0e78a4fecdd49a3
https://doi.org/10.3189/002214310794457182
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8
Solute tranport in periodical heterogeneous porous media: importance of observation scale and experimental sampling
Autor: Vincent Guinot, Jean-Philippe Chazarin, Samer Majdalani, Carole Delenne
Publikováno v: Journal of Hydrology
Journal of Hydrology, Elsevier, 2015, 520, pp.52-60. ⟨10.1016/j.jhydrol.2014.10.065⟩
Journal of Hydrology, 2015, 520, pp.52-60. ⟨10.1016/j.jhydrol.2014.10.065⟩
International audience; This paper focuses on the effects of the observation scale and sampling on the dispersion of tracers in periodical heterogeneous porous media. A Model Heterogeneous Porous Medium (MHPM) with a high degree of heterogeneity was
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe3386e35c993a9d778d8de5e4456af6
https://hal.archives-ouvertes.fr/hal-01101494/file/Manuscript_141015b.pdf
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9
One-year measurements of surface heat budget on the ablation zone of Antizana Glacier 15, Ecuadorian Andes
Autor: L. Maisincho, Jean-Philippe Chazarin, Anne Coudrain, Vincent Favier, Patrick Wagnon
Publikováno v: Journal of Geophysical Research: Atmospheres
Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2004, D18105 [15 p.]. ⟨10.1029/2003JD004359⟩
Journal of Geophysical Research: Atmospheres, 2004, D18105 [15 p.]. ⟨10.1029/2003JD004359⟩
International audience; [1] Meteorological variables were recorded (14 March 2002 to 14 March 2003) at 4890 m above sea level (asl) on the Antizana Glacier 15 (0.71 km 2 ; 0°28 0 S, 78°09 0 W) in the tropical Andes of Ecuador (inner tropics). These
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bd7f9abaabf3c011fd0c0a86bd8b804
https://hal.ird.fr/ird-01223136
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10
Wintertime high-altitude surface energy balance of a Bolivian glacier, Illimani, 6340 m above sea level
Autor: Etienne Berthier, Patrick Wagnon, Jean-Emmanuel Sicart, Jean-Philippe Chazarin
Publikováno v: Journal of Geophysical Research: Atmospheres
Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2003, 108 (D6), pp.ISI:000182222600002. ⟨10.1029/2002JD002088⟩
Journal of Geophysical Research: Atmospheres, 2003, 108 (D6), pp.ISI:000182222600002. ⟨10.1029/2002JD002088⟩
Scopus-Elsevier
[1] The objective of this study is to evaluate the surface energy balance (SEB) of a cold, high-altitude tropical glacier, Illimani (16°39′S; 67°47′W, 6340 m above sea level (asl)), where a 137 m ice core was drilled down to the bedrock in June
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b15ac8a88ef7eb53399064145e3fff0a
https://hal.archives-ouvertes.fr/hal-00404831
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