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Browsing West African Climate Systems by Issue Date

Browsing West African Climate Systems by Issue Date

Now showing items 1-20 of 61

Intercontinental Transport and Climatic Impact of Saharan and Sahelian Dust

Toure, N’Datchoh Evelyne; Konare, Abdourahamane; Silue, Siele (2012)

The Sahara and Sahel regions of Africa are important sources of dust particles into the atmosphere. Dust particles from these regions are transported over the Atlantic Ocean to the Eastern American Coasts. This transportation ...
Effects of climate variability on savannah fire regimes in West Africa

N’Datchoh, E. T.; Konaré, A.; Diedhiou, A.; Diawara, A.; Quansah, E.; Assamoi, P. (Earth System Dynamics, 2012-09)

The main objective of this work is to investigate at regional scale the variability in burned areas over the savannahs of West Africa and their links with the rainfall and the large-scale climatic indexes such as the Southern ...
Spatial and temporal variability of windborne dust in the Sahel-Sahara zone in relation with synoptic environment

Silue, Siélé; Konare, Abdourahamane; Diedhiou, Arona; Yoboue, Véronique; Toure, N'Datchoh E.; Assamoi, Paul (Scientific Research and Essays, 2013-03)

Windborne dusts have been recognised as climatic indicators in the Sahel region, because of their ability to cause reduction in horizontal visibility. These phenomena have intensified after the exceptionally drought ...
Assessment of Regional Climate Models over Côte D'Ivoire and Analysis of Future Projections over West Africa

Kouadio, Kouakou; Konare, Abdourahamane; Diawara, Adama; Dje, Bernard Kouakou; Ajayi, Vincent Olanrewaju; Diedhiou, Arona (Atmospheric and Climate Sciences, 2015-03)

The ability of six Regional Climate Models (RCMs) used in AMMA-ENSEMBLES project is assessed over six meteorological stations in Côte d’Ivoire. The ensemble mean of the models is also used for the prediction of climate ...
Urban-Rural Temperature Differences in Lagos

Ojeh, Vincent N.; Balogun, A. A.; Okhimamhe, A. A. (MDPI, 2016-05)

In this study, the hourly air temperature differences between City hall (urban) and Okoafo (rural) in Lagos, Nigeria, were calculated using one year of meteorological observations, from June 2014 to May 2015. The two ...
Assessing crop model improvements through comparison of sorghum(sorghum bicolor L. moench) simulation models: A case study of WestAfrican varieties

Akinseye, F.M; Adam, M.; Agele, S.O.; Hoffmann, M.P.; Traore, P.C.S.; Whitbread, A.M. (Field Crops Research, 2016-10)

tBetter defining niches for the photoperiod sensitive sorghum (Sorghum bicolor L. Moench) varieties ofWest Africa into the local cropping system might help to improve the resilience of food production in theregion. In ...
African Anthropogenic Emissions Inventories for gases and particles from 1990 to 2016

Liousse, Catherine; Keita, Sekou; Touré, Evelyne 1 N’Datchoch (Geophysical Research Abstracts, 2017)

Presently, there is one African regional inventory dealing with biofuel and fossil fuel emissions (Liousse et al., 2014) and only global emission inventories including Africa. Developing a regional inventory for gases and ...
Numerical Simulation of Surface Energy and Water Balances over a Semiarid Grassland Ecosystem in the West African Savanna

Quansah, Emmanuel; Katata, Genki; Mauder, Matthias; Annor, Thompson; Amekudzi, Leonard K.; Bliefernicht, Jan; Heinzeller, Dominikus; Balogun, Ahmed A.; Kunstmann, Harald (Hindawi Advances in Meteorology, 2017)

To understand surface energy exchange processes over the semiarid regions in West Africa, numerical simulations of surface energy and water balances were carried out using a one-dimensional multilayer atmosphere-SOil-VEGetation ...
Evaluation of present-day rainfall simulations over West Africa in CORDEX regional climate models

Akinsanola, A. A.; Ogunjobi, K. O. (Environmental Earth Science, 2017-05)

The objective of this study is to evaluate the ability of seven CORDEX regional climate models (RCMs), driven by ERA-Interim reanalysis dataset to simulate the observed rainfall characteristics over West Africa during ...
Water resources management using the WRF-Hydro modelling system: Case-study of the Tono dam in West Africa

Naabil, E.; Lamptey, B.L; Arnault, J.; Olufayo, A.; Kunstmann, H. (Journal of Hydrology: Regional Studies, 2017-05)

Water resources are a major source of economic development for most West African (WA) countries. There is, however inadequate information on these resources for the purposes of planning, decision-making and management. ...
High-resolution long-term WRF climate simulations over Volta Basin. Part 1: validation analysis for temperature and precipitation

Annor, Thompson; Lamptey, Benjamin; Wagner, Sven; Oguntunde, Philip; Arnault, Joël; Heinzeller, Dominikus; Kunstmann, Harald (Theoretical and Applied Climatology, 2017-07)

A 26-year simulation (1980–2005) was performed with the Weather Research and Forecast (WRF) model over the Volta Basin in West Africa. This was to investigate the ability of a climate version of WRF to reproduce present ...
Dust induced changes on the West African summer monsoon features

N’Datchoh, E. T.; Diallo, I.; Silué, A. Konaré,a S.; Ogunjobi, K. O.; Diedhiou, A.; Doumbia, M. (International Journal of Climatology, 2017-07)

Dust generation and transportation from North Africa are thought to modulate the West African Monsoon (WAM) features. In this study, we investigated the relationship between the Saharan Air Layer located above Atlantic ...
Mass concentration, optical depth and carbon composition of particulate matter in the major southern West African cities of Cotonou (Benin) and Abidjan (Côte d’Ivoire)

Djossou, Julien; Léon, Jean-François; Akpo, Aristide Barthélemy; Liousse, Cathy; Yoboué, Véronique; Bedou, Mouhamadou; Bodjrenou, Marleine; Chiron, Christelle; Galy-Lacaux, Corinne; Gardrat, Eric; Abbey, Marcellin; Keita, Sékou; Bahino, Julien; N’Datchoh, Evelyne Touré; Ossohou, Money; Awanou, Cossi Norbert (Atmospheric Chemistry and Physics, 2018)

Air quality degradation is a major issue in the large conurbations on the shore of the Gulf of Guinea. We present for the first time PM2:5 time series collected in Cotonou, Benin, and Abidjan, Côte d’Ivoire, from February ...
Particle and VOC emission factor measurements for anthropogenic sources in West Africa

Keita, Sekou; Liousse, Cathy; Yoboué, Véronique; Dominutti, Pamela; Guinot, Benjamin; Assamoi, Eric-Michel; Borbon, Agnès; Haslett, Sophie L. (Atmospheric Chemistry and Physics, 2018)

A number of campaigns have been carried out to establish the emission factors of pollutants from fuel combustion in West Africa, as part of work package 2 (“Air Pollution and Health”) of the DACCIWA (Dynamics-Aerosol- ...
Potential impact of 1.5 ◦C and 2 ◦C global warming on consecutive dry and wet days over West Africa

Klutse, Nana Ama Browne; Ajayi, Vincent O; Gbobaniyi, Emiola Olabode; Egbebiyi, Temitope S; Kouadio, Kouakou; Nkrumah, Francis; Quagraine, Kwesi Akumenyi; Olusegun, Christiana (2018-05)

We examine the impact of +1.5 ◦C and +2 ◦C global warming levels above pre-industrial levels on consecutive dry days (CDD) and consecutive wet days (CWD), two key indicators for extreme precipitation and seasonal drought. ...
Simulating the Impacts of Tree, C3, and C4 Plant Functional Types on the Future Climate of West Africa

Olusegun, Christiana Funmilola; Oguntunde, Philip G.; Gbobaniyi, Emiola O. (MDPI, 2018-05)

This study investigates the future climatic impacts of different percentages of trees/shrubs, C4 and C3 plant functional types (PFTs) over theWest Africa region. The ratio of co-existence among the different PFTs was ...
Potential impacts of 1.5 ◦C and 2 ◦C global warming on rainfall onset, cessation and length of rainy season in West Africa

Kumi, Naomi; Abiodun, Babatunde J (Environmental Research Letters, 2018-05)

This study examines the potential impacts of 1.5 ◦C and 2◦C global warming (GWL15 and GWL20) on rainfall onset dates (RODs), rainfall cessation dates (RCDs), and length of the rainy season (LRS) in West Africa under ...
Changes in climate extremes over West and Central Africa at 1.5 ◦C and 2 ◦C global warming

Diedhiou, Arona; Bichet, Adeline; Wartenburger, Richard; Seneviratne, Sonia I.; Rowell, David P.; Sylla, Mouhamadou B.; Diallo, Ismaila; Todzo, Stella; Toure, N’datchoh E; Camara, Moctar; Ngatchah, Benjamin Ngounou; AKane, Ndjido; Tall, Laure; Affholder, Francois (Environmental Research Letters, 2018-06)

In this study, we investigate changes in temperature and precipitation extremes over West and Central Africa (hereafter,WAF domain) as a function of global mean temperature with a focus on the implications of global ...
Does convection-permitting simulate better rainfall distribution and extreme over Guinean coast and surroundings?

Kouadio, Kouakou; Bastin, Sophie; Konare, Abdourahamane; Ajayi, Vincent O. (Climate Dynamics, 2018-06)

This research work focuses on the problem of climate simulation of rainfall over West Africa and particularly over coastal countries of the Gulf of Guinea by Regional Climate Models. The sensitivities of Weather Research ...
Sensitivity of different physics schemes in the WRF model during a West African monsoon regime

Gbode, Imoleayo Ezekiel; Dudhia, Jimy; Ogunjobi, Kehinde Olufunso; Ajayi, Vincent (Springer (Theoretical and Applied Climatology), 2018-07)

A 2-month (August–September) regime of the year 2007 West African monsoon (WAM) was simulated with 27 physics combinations using the Weather Research and Forecasting model at 20-km horizontal grid. The objective is to ...

Browsing West African Climate Systems by Issue Date

Browsing West African Climate Systems by Issue Date

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