Search Results - "Fontaine, Bernard"

Expected future changes in the African monsoon between 2030 and 2070 using some CMIP3 and CMIP5 models under a medium-low RCP scenario by Monerie, Paul-Arthur, Fontaine, Bernard, Roucou, Pascal

“…The accuracy of African Monsoon (AM) simulations together with expected future changes are presented using eight available CMIP5/AR5 AOGCMs under the RCP4.5…”
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Variability and Predictability of West African Droughts: A Review on the Role of Sea Surface Temperature Anomalies by Rodríguez-Fonseca, Belen, Mohino, Elsa, Mechoso, Carlos R., Caminade, Cyril, Biasutti, Michela, Gaetani, Marco, Garcia-Serrano, J., Vizy, Edward K., Cook, Kerry, Xue, Yongkang, Polo, Irene, Losada, Teresa, Druyan, Leonard, Fontaine, Bernard, Bader, Juergen, Doblas-Reyes, Francisco J., Goddard, Lisa, Janicot, Serge, Arribas, Alberto, Lau, William, Colman, Andrew, Vellinga, M., Rowell, David P., Kucharski, Fred, Voldoire, Aurore

“…The Sahel experienced a severe drought during the 1970s and 1980s after wet periods in the 1950s and 1960s. Although rainfall partially recovered since the…”
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Recent changes in precipitation, ITCZ convection and northern tropical circulation over North Africa (1979–2007) by Fontaine, Bernard, Roucou, Pascal, Gaetani, Marco, Marteau, Romain

“…This article focuses on some recent changes observed in the Tropics with special emphasis on the African monsoon region using high‐resolution gridded…”
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West African Monsoon influence on the summer Euro-Atlantic circulation by Gaetani, Marco, Pohl, Benjamin, Douville, Hervé, Fontaine, Bernard

“…The West African Monsoon (WAM) influence on the interannual variability of the summer atmospheric circulation over North Atlantic and Europe is investigated…”
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Sudan-Sahel rainfall onset: Definition of an objective index, types of years, and experimental hindcasts by Fontaine, Bernard, Louvet, Samuel

“…Using rainfall estimates from the 5‐day version of CPC Merged Analysis of Precipitation (CMAP) and Global Precipitation Climatology Project data along with…”
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Impacts of warm and cold situations in the Mediterranean basins on the West African monsoon: observed connection patterns (1979-2006) and climate simulations by Fontaine, Bernard, Garcia-Serrano, Javier, Roucou, Pascal, Rodriguez-Fonseca, Belen, Losada, Teresa, Chauvin, Fabrice, Gervois, Sébastien, Sijikumar, Sivarajan, Ruti, Paolo, Janicot, Serge

“…Using both empirical and numerical ensemble approaches this study focuses on the Mediterranean/West African relationship in northern summer. Statistical…”
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Monsoon onset over Sudan-Sahel: Simulation by the regional scale model MM5 by Sijikumar, S., Roucou, Pascal, Fontaine, Bernard

“…The Mesoscale Model MM5 is used to study the regional features of the West African Monsoon onset. In order to increase the results, simulations are carried out…”
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Performance of DEMETER calibration for rainfall forecasting purposes: Application to the July–August Sahelian rainfall by Bouali, Lotfi, Philippon, Nathalie, Fontaine, Bernard, Lemond, Julien

“…This work assesses and compares the skill of direct and model‐output‐statistics (MOS) calibrated hindcasts of the July–August rainfall amounts for the dry…”
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Atmospheric water cycle and moisture fluxes in the West African monsoon: mean annual cycles and relationship using NCEP/NCAR reanalysis by Fontaine, Bernard, Roucou, Pascal, Trzaska, Sylwia

“…Atmospheric water (Precipitation minus Evaporation, P‐E) and moisture fluxes from the NCEP/NCAR and observed rainfall data from the Climatic Research Unit are…”
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Simulation of West African monsoon circulation in four atmospheric general circulation models forced by prescribed sea surface temperature by Moron, Vincent, Philippon, Nathalie, Fontaine, Bernard

“…The mean evolution of the West African monsoon (WAM) circulation and its interannual variability have been studied using an ensemble of 21 simulations (common…”
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Comprehensive Occupational and Environmental Risk Assessment of Elemental Mercury at the Edison National Historic Site in West Orange, NJ by Fontaine, Bernard L.

“…The Thomas A. Edison National Laboratory in West Orange, NJ was used to research and develop many inventions including experiments with a mercury oxide…”
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Spring to summer changes in the West African monsoon through NCEP/NCAR reanalyses (1968–1998) by Fontaine, Bernard, Philippon, Nathalie, Trzaska, Sylwia, Roucou, Pascal

“…This article focuses on the spring to summer evolutions of the West African monsoon from an energetic point of view; it uses NCEP/NCAR reanalyses along with…”
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Rainfall Anomaly Patterns and Wind Field Signals over West Africa in August (1958–1989) by Fontaine, Bernard, Janicot, Serge, Moron, Vincent

“…Relationships between monthly West African rainfall anomaly patterns and monthly tropospheric wind changes are investigated for the 32 months of August…”
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Recent changes in air temperature, heat waves occurrences, and atmospheric circulation in Northern Africa by Fontaine, Bernard, Janicot, Serge, Monerie, Paul-Arthur

“…This study documents the time evolution of air temperature and heat waves occurrences over Northern Africa for the period 1979–2011. A significant warming…”
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Influence of the Mediterranean Sea on the West African monsoon: Intraseasonal variability in numerical simulations by Gaetani, Marco, Fontaine, Bernard, Roucou, Pascal, Baldi, Marina

“…The influence of May to September sea surface temperature (SST) anomalies in the Mediterranean Sea on the West African monsoon is investigated, analyzing the…”
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Weather Regimes in the Euro-Atlantic and Mediterranean Sector, and Relationship with West African Rainfall over the 1989–2008 Period from a Self-Organizing Maps Approach by Polo, Irene, Ullmann, Albin, Roucou, Pascal, Fontaine, Bernard

“…Weather regimes (WRs) have been defined over the Euro-Mediterranean region (15°–70°N, 60°W–60°E) from May to October using the daily sea level pressure,…”
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Definition and predictability of an OLR‐based West African monsoon onset by Fontaine, Bernard, Louvet, Samuel, Roucou, Pascal

“…The monsoon onset is documented in terms of latitudinal shift of deep convection areas within the ITCZ using an interpolated version of the National Oceanic…”
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Implication of the Madden–Julian Oscillation in the 40-Day Variability of the West African Monsoon by Pohl, Benjamin, Janicot, Serge, Fontaine, Bernard, Marteau, Romain

“…Madden–Julian oscillations (MJOs) are extracted over the Indo-Pacific basin using a local mode analysis. The convective perturbations are then projected over a…”
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Time evolution of observed July-September sea surface temperature-Sahel climate teleconnection with removed quasi-global effect (1900-2008) by Fontaine, Bernard, Gaetani, Marco, Ullmann, Albin, Roucou, Pascal

“…Using sea surface temperature (SST), precipitation, and atmospheric information, this statistical study revisits the questions of the July–September SST‐Sahel…”
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Mid‐century effects of Climate Change on African monsoon dynamics using the A1B emission scenario by Monerie, Paul‐Arthur, Roucou, Pascal, Fontaine, Bernard

“…Future climate changes in African regions are model‐dependent and there is no consensus regarding Sahelian rainfall by the end of this century. Using 12…”
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