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Dakar 2005: Conference Themes
Water Cycle
The efficiency of the processes
controlling the advection of atmospheric moisture, its transformation into precipitation,
and the behaviour of rain water over land (e.g. run-off, infiltration etc),
is a crucial aspect of the WAM. The role of energy transport and ex-changes
in related to water vapour advection and latent heat release is also central
for monsoon dynamics and its variability. Analysis of the water budget at regional-scale,
mesoscale and local scale is promoted in this research theme.
Coordinators: A. Gaye,
P. Houser, J.-L. Redelsperger
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Second
Plenary: Water Cycle (Introduction)
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Author
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Title
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| Adeyewa, Z. Debo, Edward Zipser and Chuntao Liu | TRMM-observed Characteristics of West African Mesoscale Convective Weather Systems |
| ALI, Abdou, Abou AMANI, Thierry LEBEL | Approche de modélisation intégrée de la variabilité pluviométrique au Sahel |
| Bock, O., M.N. Bouin, F. Guichard, A. Walpersdorf, E. Doerflinger, F. Masson | Analysis of total water vapour content from GPS data, radiosondes and numerical weather prediction models in West Africa |
| Bouniol, Dominique, Alain Protat, Nicolas Viltard, Yvon Lemaître, and Georges Scialom | Contribution of the MCS anvils to radiative, heat and water budgets : a strategy for quantification at different scales |
| Chopin, F., and J.C Berges | Using MSG for GPCP products enhancement |
| El-Fahem, T., S. Giertz & B. Reichert | Integration of recharge data from a hydrological water balance model into a 3D FE model for a crystalline basement area in the tropical river catchment of the Upper Ouémé (Benin / West Africa) |
| Favreau, G., A. Guero, S. Massuel, Y. Nazoumou, M. Descloitres, M. LeBlanc, B. Cappelaere, L. Descroix | The Rising Water Table in SW Niger, A Sahelian Paradox? New Results and Perspectives |
| Guichard, F., J.-P. Lafore, C. Piriou, N. Asencio, A. Boone et J.-L. Redelsperger | Analysis of large-scale atmospheric water budget estimations over West Africa during the monsoon season |
| KARAMBIRI, H., H. YACOUBA, D. SANOU, P. DIELLO, M. GUILLIOD, G. MAHE, J-E. PATUREL | CARACTERISATION DE LA REPONSE HYDROLOGIQUE ET DE L’EROSION HYDRIQUE D’UN PETIT BASSIN VERSANT SAHELIEN: BASSIN VERSANT DE TOUGOU AU NORD DU BURKINA FASO |
| Kucera, Paul A., Everette Joseph, Greg Jenkins, Amadou Gaye | Implementation and Initial Evaluation of a Rain Gauge Network Deployed in Senegal |
| Moussa, Ibrahim Bouzou, Luc Descroix, Stéphane Boubkraoui, Ibrahim Mamadou, Iliassou Alzouma, Eric Le Breton, Okechukwu Amogu | Changements d’usage des sols et modifications du cycle de l’eau au Sahel |
| Onibon, Hubert, Thierry Lebel, Abel Afouda | Application of the Gibbs sampler to conditional simulation of Sahelian rain fields |
| SAMBOU Soussou | Tendance climatique à partir des séries pluviométriques du bassin amont du Fleuve Sénégal : l’exception de la station de Bakel |
| Tanu, Michael M., and Karen I. Mohr | Multi-year Precipitation and Streamflow Analysis for Two Rivers in Ghana |
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Second
Poster Session: West African Monsoon
and Climate
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| Abdulrasheed, Zakariya’u D. | EXAMINING INTERANNUAL RAINFALL VARIABILITY OVER THE SUDAN-SAHEL: A NEW PERSPECTIVE |
| Abiodun, B. J. and Z. D. Adeyewa | Role of African Easterly Wave in the Initiation and Propagation of West African Mesoscale Convective Weather Systems |
| ADAMOU Garba, El MAHAMAN Issa Salifou, ITOUA.E. Nazaire DIEDHIOU Arona, GAYE.Amadou.Thierno, et G. JENKINS | UTILISATION DES DONNEES MSG DANS DES ETUDES DE CAS DE PERTURBATIONS( POUSSIERE,ORAGE ET LIGNE DE GRAINS) OBSERVEES A NIAMEY EN 2004 |
| Adjoussi, Pessiézoum and Adoté Blivi | Dynamique et tendances climatiques futures dans golfe du Bénin à travers l’exemple de quelques stations côtières |
| Afiesimama, Ernest A., S. O. Ojo and A. C. Anuforom | Performance of Regional Climate Model to different convective closure assumptions during the peak of the West African Monsoon |
| Aghedo, Adetutu M., Martin G. Schultz and Sebastian Rast | The influence of African air pollution on the regional and global tropospheric chemistry |
| Alani, R.A., Olayinka, K. O, & Alo, B. I. | STUDIES ON POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) IN THE LAGOS LAGOON |
| Aman, Angora, Gérard Eldin, Bernard Bourles et Yves Kouadio | Dynamique spatio-temporelle de l’upwelling ivoiro-ghanéen |
| BARRY Alpha Boubacar | Impacts de l’Oscillation Nord Atlantique (NAO) sur la variabilité climatique en Afrique de l’Ouest: cas particulier de la Guinée |
| Bell, Michael A., and Peter J. Lamb | Integration of Weather System Variability to Multidecadal Regional Climate Change: West African Soudano-Sahel Zone, 1951-98. |
| Bella-Medjo, M., S. Janicot and B. Sultan | ANALYSIS OF THE SEASONAL CYCLE OF THE AFRICAN MONSOON. REGIONAL APPLICATIONS ON CAMEROON |
| Benoît, V., P. Rogel, Y. M. Tourre, et L. Jarlan | Convergence du flux d’humidité sur l’Atlantique tropical et prévision saisonnière des précipitations sur l’Afrique de l’Ouest |
| Bouo-Bella, F., S. Cautenet et G. Cautenet | Study of plumes mixing from biomass burning and dust haze over West Africa |
| Burton, R.R., A. Diongue-Niang, M. Diop, R.J. Ellis, D.J. Parker*, C.D. Thorncroft, C.M. Taylor, A.M. Tompkins | The JET2000 experiment |
| Cairo, F. F. Fierli, G. Didonfrancesco | An overview on cirrus properties in the tropical UT-LS from previous field campaign |
| Camara, Moctar, Arona Diédhiou, Amadou T. Gaye | AFRICAN EASTERLY WAVES AND CYLONIC ACTIVITY OVER THE EASTERN ATLANTIC: COMPOSITE AND CASE STUDIES |
| Caminade, C., and L. Terray | Relative impact of natural (SST) versus anthropogenic external forcing upon the West African Monsoon during the 20th century |
| Chauvin, Fabrice | African easterly waves in low and high resolution IPCC scenarios |
| Chin, Mian | Regional and global impacts of aerosols from Africa: From health to climate |
| Collins, Dan C., Carlos D. Hoyos and Peter J. Webster | Interaction of African monsoon and the large-scale atmospheric circulation and oceans on intraseasonal to multidecadal timescales |
| Cornforth, Rosalind, Brian Hoskins and Chris Thorncroft | African Easterly Waves-Easterly Jet System: Moist Physics |
| Cornforth, Rosalind, Brian Hoskins and Chris Thorncroft | African Easterly Waves-Easterly Jet System: Impact of the Hadley circulation |
| Dalu G.A., M. Gaetani, V. Capecchi, M. Baldi, and F. Guarnieri | THE HYDROLOGICAL ONSET AND WITHDRAWAL INDEX FOR THE WEST AFRICA MONSOON |
| DIAGNE B., SAGNA P. et SENE A | ANALYSE DE L’EVOLUTION CLIMATIQUE ACTUELLE AU SENEGAL |
| Djiman, Roger | Influences of Climatic Variability on Coastal Oceanography of Benin |
| Douville, Hervé, Aurore Voldoire and Mathieu Joly | Impact of global warming on the West African Monsoon : preliminary assessment of the IPCC4 climate scenarios |
| EDJAME, Kodjovi Sidéra | Le phénomène de mousson dans le golfe de Guinée entre le Togo et le Bénin |
| Fall, Souleymane | The Mean Conditions and Variability of the Climate over Senegal During the Recent Decades |
| Fink, Andreas H., M. Christoph, Volker Ermert, and Dayton Vincent | Statistics of rainfall types and associated stability-shear weather regimes in the Soudanian wet zone (Upper Ouémé Valley, Benin) during the 2002 IMPETUS upper-air campaign |
| FOFANA Mamadou, ATTI Abé Vincent, AKADJE Marie | VARIABILITE ET TENDANCE CLIMATIQUES EN COTE D’IVOIRE: CAS DE LA STATION DE LAMTO |
| Fulakeza, Matthew, Leonard Druyan and Patrick Lonergan | West African Monsoon variability in mesoscale data sets |
| GOULA, Bi Tié Albert, Issiaka SAVANE, Vamoryba FADIKA, Yves N’Guettia, Koffi KOUADIO | Etude de la variabilité spatio-temporelle des pluies moyennes mensuelles de la région sud-ouest de la Côte d’Ivoire |
| GOULA, Bi Tié Albert, Théophile LASME, Issiaka SAVANE, Yves N’Guettia, Vamoryba FADIKA1, Koffi KOUADIO, Bernard SRHOUROU | Variabilité spatio-temporelle des pluies mensuelles du Sud-Ouest de la Côte d’Ivoire et évolution du Front Inter Tropical (FIT) |
| Guichard, F. F. Favot, F. Hourdin, I. Musat, J.-F. Gueremy, P. Marquet, P. Ruti | Signature of large-scale models along a meridian transect over West Africa |
| Haarsma, Reindert, Wilco Hazeleger, Wim-Paul Bruegem, Roberto de Almeida | Tropical Atlantic variability in the coupled SPEEDO model |
| Hall, N.M.J., G.N. Kiladis and C.T. Thorncroft | A New Perspective on African Easterly Waves, Part II: Dynamics |
| HAMATAN, Mohamed | Validation des sorties pluviométriques des modèles de circulation générale (GCMs) au Sahel, aux échelles mensuelle et journalière |
| HAMZA Ibrahima | HEURE DU DECLENCHEMENT ET DUREE DE VIE D’UN EVENEMENT CHASSE SABLE AU SAHEL |
| Hourdin, Federic, Ioncla Musat, Marie-Angele Filiberti, Jean-Yves Grandpeix, and Mai Pham | Sensitivity of the atmospheric transport and monsoon rainfall to the parametrization of cumulus convection in the LMDZ4 climate model |
| Joly, Mathieu, Aurore Voldoire and Hervé Douville | African monsoon in IPCC simulations : modes of variability and climate change |
| Kafando, Pétronille, Chane-ming Fabrice, and Petitdidier Monique | Seasonal and interannual Variations of gravity waves in equatorial Africa |
| KAMAYE Maâzou | ANALYSE SPECTRALE SINGULIERE MULTI-CANAL ET CARACTERISATION DES ONDES D’EST |
| Knippertz, Peter, Andreas H. Fink | An extreme Saharan dust outbreak in spring 2004 and its impact on the onset of the West African monsoon |
| Konare, Abdourahamane, Fabien Solmon, FilippoGiorgi, Cathy Liousse, Robert Rosset | RegCM simulation of anthropogenic aerosols over Sub-Sahara Africa |
| Kouadio, Yves K., Delfin. A. Ochou, P. Assamoi | Relation entre le réchauffement océanique et les évènements pluvieux extrêmes en Afrique de l’Ouest durant la période de Juillet à Septembre |
| Lélé, Mouhamadou Issa, and Peter J. Lamb | Influence of Intertropical Front on Rainfall Variability in West Africa Sahelian countries |
| Lenouo, Andre | On static stability over tropical Africa north of the Equator |
| Liepert, Beate G. | Need for long-term broadband surface irradiance measurements in West-Africa |
| Losada, T., J. García, B. Rodríguez-Fonseca, H.-Y. Ma, C. R. Mechoso | Model characterization of WAM mean seasonal cycle |
| Lucie A.T. Djiotang et François Mkankam Kamga | Simulation du climat de l’Afrique centrale et de l’Ouest à l’aide d’une modèles climatique régional (RegCM3). Quelques résultats préliminaires sur les choix de la taille du domaine, du schéma convectif et de la topographie en vue d’améliorer les simulations des précipitations |
| Mari, C., J.L. Attie, A. Borbon, J.P. Chaboureau, C. Delon, H. Hoeller, C. Jambert, B. Josse, K. Law, P. Mascart, P. Perros, V.H. Peuch, J.P. Pinty, C. Reeves, D. Serça, H. Schlager, V. Thouret. | West African Monsoon convective systems and ozone budget in the upper troposphere: from local to global scale |
| Mekonnen, Ademe, Chris Thorncroft, Anantha Aiyyer | Analysis of convection and its association with African easterly waves |
| MONKAM, David | Influence of the 6 – 9-Day Wave Activity on the Spatial Distribution of Monsoon Rainfall in Northern Africa : Intra-seasonal and Inter-annual Variability |
| Moron, Vincent, Andy W. Robertson, M. Neil Ward, Ousmane Ndiaye | Analysis and downscaling of sub-seasonal variability of Senegal rainfall with weather classification |
| Moufouma-Okia, Wilfran, David Hassell | The effects of Regional orography on the West African Monsoon climate |
| Moufouma-Okia, Wilfran, David Hassell, David Hein | Regional Climate Model simulation of the West African Monsoon precipitation during 1980-1990 |
| Mounier, Flore, George N. Kiladis(2) and Serge Janicot | West African monsoon dynamics. Evidence of convectively coupled Kelvin waves |
| Mounier, Flore, Serge Janicot and George N. Kiladis | Dominant convectively coupled 15 days periodicity Kelvin waves mode and its influence during the West African monsoon onset |
| Ndong, J.B. et P. Sagna | Deficit Pluviometrique Record au Senegal en 2002 |
| Nguenang, Guy Merlin, et François Mkankam Kamga | Etude des occurrences des extrêmes des précipitations journalières dans la région de l’Afrique Centrale, de leur tendance et de leur variabilité sous le climat présent ou perturbé, à l’aide des données d’observations et des simulations d’un modèle global à mailles variables (Arpège-climat) |
| Niang, A., F. Badran, C. Moulin, M. Crepon and S. Thiria1 | Estimating Aerosol parameters from SeaWiFS ocean colour sensor observations by using topological maps |
| Paeth, Heiko | Overview on the modelling studies in the German GLOWA-IMPETUS project, which deals with freshwater management in different regions of West Africa |
| Peyrille, P.J-P. Lafore and J.-L. Redelsperger | An Idealized Study of the West African Monsoon |
| Pinker, R. T., B. Zhang, and H. Liu | Effects of African dust on radiative forcing over the African Continent and the Atlantic Ocean |
| Rao, P. Sanjeeva, and D.R. Sikka | Interactive Aspects of the Indian and African Summer Monsoon Systems |
| Roca, Remy, Helene Brogniez and Laurence Picon | Vairability of dry air in the mid-troposphere over the last 20 years: Satellite and trajectory climatologies |
| Rodriguez-Fonseca, Belen, T. Losada , J. Garcia, I.Polo, C. R. Mechoso | Simulations of the 2000 and 2003 African Monsoon Seasons with the UCLA AGCM |
| Sall, Saïdou Moustapha et Henri Sauvageot | Recherches sur les facteurs influençant la cyclogénèse Atlantique à proximité des côtes africaines |
| Sarr, A., and A. Noda | Study of late 20th and 21st Centuries High resolution GCM similation over Western Africa |
| Sarr, A., P. De Felice, H. Sauvageot, and A.T. Gaye | Study of Synoptic Activity Simulated over Western Africa using MM5 model |
| Sauvage, B, V. Thouret, J-P. Cammas, A.M. Thompson, J. Witte, G. Athier and P. Nédélec | Ozone and Carbon Monoxide over West Africa as seen by the MOZAIC Program |
| Schrage, Jon M., Andreas H. Fink, Volker Ermert, and Epiphane D. Ahlonsou | Three MCS cases occurring in different synoptic environments in the Soudanian wet zone (Upper Ouémé Valley, Benin) during the 2002 IMPETUS upper-air campaign |
| Segele, Zewdu Tessema, and Peter J. Lamb | Characterization and Variability of Kiremt Rainy Season over Ethiopia |
| SEIDOU SANDA, Ibrah, Fabien SOLMON, Filippo GIORGI | Sensitivity of the RegCM to the Optical Properties of Dusts |
| Sijikumar, S., Pascal Roucou and Bernard Fontaine | Studies on the Characteristics of West African Monsoon using a Mesoscale Model |
| Sultan B., Drobinski P. and S. Janicot | Characterization of the monsoon circulation diurnal cycle around the monsoon onset |
| SYLLA, Bamba, Amadou T. GAYE et Grégory S. JENKINS | High resolution, RegCM3 simulations of the West African Climate System |
| Tarhule, Aondover, and BOUZOU MOUSSA Ibrahim | Towards High-Resolution Tree-Ring Proxy Climate Records for the West African Sahel Savanna Zone |
| Tomasini, M., J.-P. Lafore, C. Piriou, R. Roca, K. Ramage | A climatology of West African Mesoscale Convective Systems (MCSs) |
| Yoboué, V, C. Galy-Lacaux, J.P. Lacaux, and S. Silué | Rainwater Chemistry and Wet Deposition over the Wet Savanna Ecosystem of Lamto (Côte d’Ivoire) |
| Zampieri, M., A. Buzzi, F. Fierli and P. Malguzzi | Mesoscale simulations with BOLAM and MOLOCH models in the AMMA area: model description and preliminary results |
| Zhang, Chidong, and Phoebe Woodworth | Low-Level Circulations Associated with the West African Monsoon |
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