this study investigates the atmospheric circulation associated with extreme rainfall events over the coastal west africa. the rainfall data of this study were obtained from the global precipitation climatology centre (gpcc), spanning from 1981 to 2010. the atmospheric datasets were also obtained from the era-interim reanalysis. the study employed the z-index to categorize dry and wet years into...

this study utilizes a decade long (2005-2014) monthly data of total column tropospheric ozone (tcto) in dubson units to evaluate the spatial and temporal trend of lao over some major cities of west africa, namely lagos, accra, niamey, abuja, bamako, dakar, agadez, conakry, kano, and ouagadougou which are either capital cites or major commercial hubs, where the population ranges from 0.09 millio...

Forty two Paleocene benthic foraminiferal species of the Midway Formation in the Gulf Coastal Plain of Texas, USA were firstly investigated by Plummer (1927), and its paleogeographic distribution in some other countries in the Tethyan province were recorded: North America (USA, Mexico), South America (Argentina), Europe (North Sea Basin, Spain, France, Italy, Czech Republic, Bulgaria), North Af...

Shawn Baker*, Christophe Breyne, Kenneth H. Brown*, Ferima Coulibaly-Zerbo, Patrick David, Medoune Diop**, Jan Eijkenaar, Cyprien Fabre, Jose Luis Fernandez, Sonja Y. Hess, Patricia Hoorelbeke, Anna Horner, Robert Johnston, Roland Kupka, Menno Mulder-Sibanda, Banda Ndiaye***, Bakari Seidou, Felicite Tchibindat, Sergio Teixeira and Sara E. Wuehler* *West Africa Regional Nutrition Working Group (...

This study has used TOMS AI as well as the reanalysis dataset of thirty-four years (1979-2012) to investigate the influence of atmospheric circulation on dust transport during the Harmattan period in West Africa, using Aerosol Index (AI) data, obtained from various satellite sensors. Changes in Inter-Tropical Discontinuity (ITD), Sea Surface Temperature (SST) over the Gulf of Guinea, and North ...

the present study describes the length-weight relationship (lwr), length-length relationship (llr) and condition factor of the wild population of the shrimp macrobrachium macrobrachion from the rivers of côte d’ivoire (west africa). samples were randomly collected from small-scale shrimp fisheries using bamboo traps. of the thirteen analyzed morphometrics characters, only the second pleura widt...

BACKGROUND Avian influenza viruses (AIV) have been detected in wild birds in West Africa during the northern winter, but no information is available on a potential year-round circulation of AIV in West Africa. Such year-round circulation would allow reassortment opportunities between strains circulating in Afro-tropical birds and strains imported by migratory birds wintering in West Africa. O...

West Africa is vulnerable to the effects of climate change. This paper analyzed the impacts of climate change on economic growth in Anglophone West Africa with similar background, during the periods 1969-2016. Five growth model equations have been developed to incorporate climate change variables into the model. Panel data estimations such as the fixed effect model, random effect model and Haus...