Effects of climate variability on savannah fire regimes in West Africa by E. T. N'Datchoh, A. Konaré, A. Diedhiou, A. Diawara, E. Quansah, P. Assamoi

“…Positive (negative) correlations between burned areas and SOI (MEI) were consistent over the Sahel and Sudano-Sahelian areas. Negative correlations with Atlantic SSTG were significant over the Guinea subregion. …”
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Evaluation of the ISBA-TRIP continental hydrologic system over the Niger basin using in situ and satellite derived datasets by V. Pedinotti, A. Boone, B. Decharme, J. F. Crétaux, N. Mognard, G. Panthou, F. Papa, B. A. Tanimoun

“…Of particular importance is the Niger basin, since it traverses a large part of the Sahel and is thus a critical source of water for an ever-increasing local population in this semi arid region. …”
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Constructing A Climate-Smart readiness index for smallholder farmers: The case of prioritized bundles of climate information services and climate smart agriculture in Ghana by Osman Tahidu Damba, Collins Odhiambo Ageyo, Fred Kizito, Powell Mponela, Stephen Yeboah, Victor Attuquaye Clottey, Birgitta Adoma Oppong-Mensah, Jules Bayala, Faustina Obeng Adomaa, Mustapha Alasan Dalaa, Francisca Martey, Sophia Huyer, Robert Zougmore, Ghislain Tepa-Yotto, Manuele Tamò

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A hybrid effectiveness-implementation study protocol to assess the effectiveness and chemoprevention efficacy of implementing seasonal malaria chemoprevention in five districts in... by Craig Bonnington, Sol Richardson, Godfrey Magumba, Christian Rassi, Jane Nabakooza, Denis Rubahika, Anthony Nuwa, James Tibenderana, Jimmy Opigo, Jane Achan, Richard Kajubi, Kevin Baker, Jennifer Ainsworth

“…Conclusion This study will inform malaria policy in high-burden countries, specifically on utility of SMC outside the sahel, and contribute to progress in malaria control.…”
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Connecting regional aerosol emissions reductions to local and remote precipitation responses by D. M. Westervelt, D. M. Westervelt, A. J. Conley, A. M. Fiore, A. M. Fiore, J.-F. Lamarque, D. T. Shindell, M. Previdi, N. R. Mascioli, N. R. Mascioli, G. Faluvegi, G. Faluvegi, G. Correa, L. W. Horowitz

“…Precipitation increases in the Sahel in response to aerosol reductions in remote regions because an anomalous interhemispheric temperature gradient alters the position of the Intertropical Convergence Zone (ITCZ). …”
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Hydrogeochemical and multi-tracer investigations of arsenic-affected aquifers in semi-arid West Africa by Anja Bretzler, Lucien Stolze, Julien Nikiema, Franck Lalanne, Elaheh Ghadiri, Matthias S. Brennwald, Massimo Rolle, Mario Schirmer

“…The semi-arid Sahel regions of West Africa rely heavily on groundwater from shallow to moderately deep (<100 m b.g.l.) crystalline bedrock aquifers for drinking water production. …”
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Biannual versus annual mass azithromycin distribution and malaria seroepidemiology among preschool children in Niger: a sub-study of a cluster randomized trial by Catherine E. Oldenburg, Abdou Amza, Gretchen Cooley, Boubacar Kadri, Beido Nassirou, Benjamin F. Arnold, Philip J. Rosenthal, Kieran S. O’Brien, Sheila K. West, Robin L. Bailey, Travis C. Porco, Jeremy D. Keenan, Thomas M. Lietman, Diana L. Martin

“…Azithromycin has activity against malaria parasites, and malaria is a leading cause of child mortality in the Sahel. The effect of biannual versus annual azithromycin distribution for trachoma control on serological response to merozoite surface protein 1 (MSP-119), a surrogate for malaria incidence, was evaluated among children in Niger. …”
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Antimicrobial Potential of Different Isolates of <i>Chaetomium globosum</i> Combined with Liquid Chromatography Tandem Mass Spectrometry Chemical Profiling by Marwa S. Goda, Noura El-Kattan, Mohamed A. Abdel-Azeem, Kamilia A. M. Allam, Jihan M. Badr, Nourelhuda Ahmed Nassar, Ahmad J. Almalki, Majed Alharbi, Sameh S. Elhady, Enas E. Eltamany

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Identifying drivers of streamflow extremes in West Africa to inform a nonstationary prediction model by Kwok Pan Chun, Bastien Dieppois, Qing He, Moussa Sidibe, Jonathan Eden, Jean-Emmanuel Paturel, Gil Mahé, Nathalie Rouché, Julian Klaus, Declan Conway

“…Finally, a nonstationary extreme model, with climate information capturing regional circulation patterns, reveals that EMED SST is the best predictor for nonstationary streamflow extremes, particularly across the Sahel. Predictability skill is, however, much higher at the decadal timescale, and over the Senegal than the Niger catchment. …”
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SENTINEL-2 SURFACE REFLECTANCE PRODUCTS GENERATED BY CNES AND DLR: METHODS, VALIDATION AND APPLICATIONS by O. Hagolle, J. Colin, S. Coustance, P. Kettig, P. D’Angelo, S. Auer, G. Doxani, C. Desjardins

“…Both centers produce and distribute these data sets in near real time, over large regions requested by French users such as Western Europe, Maghreb, Sahel, Madagascar&hellip; Theia’s and EOC products include an instantaneous surface reflectance product (Level-2A), and a monthly cloud free synthesis of surface reflectance (Level-3A). …”
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Remote sensing reveals how armed conflict regressed woody vegetation cover and ecosystem restoration efforts in Tigray (Ethiopia) by Emnet Negash, Emiru Birhane, Aster Gebrekirstos, Mewcha Amha Gebremedhin, Sofie Annys, Meley Mekonen Rannestad, Daniel Hagos Berhe, Amare Sisay, Tewodros Alemayehu, Tsegai Berhane, Belay Manjur Gebru, Negasi Solomon, Jan Nyssen

“…Continued ecosystem disturbance could eventually make the domain part of a wider desert connecting the Sahel to the Afar Triangle, a scenario which may render the area uninhabitable.…”
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Evolutionary history of two cryptic species of northern African jerboas by Ana Filipa Moutinho, Nina Serén, Joana Paupério, Teresa Luísa Silva, Fernando Martínez-Freiría, Graciela Sotelo, Rui Faria, Tapio Mappes, Paulo Célio Alves, José Carlos Brito, Zbyszek Boratyński

“…Abstract Background Climatic variation and geologic change both play significant roles in shaping species distributions, thus affecting their evolutionary history. In Sahara-Sahel, climatic oscillations shifted the desert extent during the Pliocene-Pleistocene interval, triggering the diversification of several species. …”
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Different types of drought under climate change or geoengineering: Systematic review of societal implications by Erin Coughlan de Perez, Erin Coughlan de Perez, Ignacio Fuentes, Ignacio Fuentes, Christopher Jack, Christopher Jack, Andrew Kruczkiewicz, Andrew Kruczkiewicz, Andrew Kruczkiewicz, Izidine Pinto, Izidine Pinto, Elisabeth Stephens, Elisabeth Stephens

“…The reverse is true in parts of Southern Africa. In the Sahel, sectors more sensitive to rainfall-drought (SPI), such as reservoir management, could see reduced water availability under solar geoengineering, while sectors more sensitive to potential-evapotranspiration-drought (SPEI), such as rainfed agriculture, could see increased water availability under solar geoengineering. …”
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Climate model uncertainty in impact assessments for agriculture: A multi-ensemble case study on maize in sub-Saharan Africa by Dale, Amy L., Fant, Charles W, Strzepek, Kenneth, Lickley, Megan Jeramaz, Solomon, Susan

“…In agreement with previous work, we project widespread yield losses in the Sahel region and Southern Africa, resilience in Central Africa, and sub-regional increases in East Africa and at the southern tip of the continent. …”
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Résistance à la sécheresse de mollusques du genre <em> Bulinus </em> vecteurs de trématodoses humaines et animales au Sénégal. II. Etude dans les conditions naturelles en zone Nord... by O.T. Diaw, M. Seye, Y. Sarr

“…Dans les conditions naturelles du Sahel, le cycle épidémiologique est court, et tout se passe en 4 à 6 mois avec renouvellement et accroissement de la population de Mollusques, infestation de ces derniers et transmission des trématodoses. …”
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Estimation of Aboveground Biomass in Agroforestry Systems over Three Climatic Regions in West Africa Using Sentinel-1, Sentinel-2, ALOS, and GEDI Data by Dan Kanmegne Tamga, Hooman Latifi, Tobias Ullmann, Roland Baumhauer, Jules Bayala, Michael Thiel

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Investigation of drought and flooding areas in coastal countries of West Africa in the context of global warming by D. J. Kodja, G. M. L. D. Quenum, H. D. Koubodana, H. D. Koubodana, E. Amoussou, E. Amoussou, I. S. Akoteyon, A. S. J. Akognongbé, M. F. Ahéhéhinnou Yêdo, G. Mahé, J.-E. Paturel, E. W. Vissin, C. Houndénou

“…However, with these scenarios negative changes are not excluded in the East, the Sahel and some western part of the Gulf of Guinea in the study area for the SSP5.8.5 scenario. …”
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Undernutrition in children aged 0–59 months by region and over time: secondary analysis of the Burkina Faso 2012–2018 National Nutrition Surveys by Mary Barker, Paul Welaga, Cornelius Debpuur, Shane A Norris, Boureima Ouedraogo, Mark Hanson, Abraham Oduro, Kate Ward, Halidou Tinto, Caroline Fall, Keith Godfrey, Marie-Louise Newell, Daniella Watson, Samuel Chatio, Palwende Romuald Boua, Adélaïde Compaoré, Maxwell Dalaba, Sarah Kehoe, Hermann Sorgho, Polly Hardy-Johnson, Toussaint Rouamba, Estelle Bambara, Saidou Kaboré, Ella W R Compaore, Doreen Ayibisah, Edith Dambayi, Engelbert Nonterah, Esmond W. Nonterah, James Adoctor, Josephine Addi, Michael Banseh, Paula Beeri, Winfred Ofosu, Aminata Welgo, Kadija Ouedraogo, Karim Derra, Stephanie Wrottesley

“…However, there was substantial variation across the country, with increased risk of undernutrition in the regions of Sahel, East and Cascades primarily. High-risk regions were characterised by a lower poverty index and limited access to healthcare services.Conclusions Our findings could inform national policymakers in refining and optimising resource allocation based on the identification of high-risk areas.…”
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Seasonal malaria chemoprevention in Africa and China’s upgraded role as a contributor: a scoping review by Ming Xu, Yun-Xuan Hu, Shen-Ning Lu, Muhammad Abdullahi Idris, Shu-Duo Zhou, Jian Yang, Xiang-Ning Feng, Yang-Mu Huang, Xian Xu, Ying Chen, Duo-Quan Wang

“…Abstract Background Children under five are the vulnerable population most at risk of being infected with Plasmodium parasites, especially in the Sahel region. Seasonal malaria chemoprevention (SMC) recommended by World Health Organization (WHO), has proven to be a highly effective intervention to prevent malaria. …”
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Sub-basin-scale sea level budgets from satellite altimetry, Argo floats and satellite gravimetry: a case study in the North Atlantic Ocean by M. Kleinherenbrink, R. Riva, Y. Sun

“…The Wiener-filtered 60 and 96 degree CSR solutions, in combination with Argo, lack amplitude and suffer from what appears to be hydrological leakage in the Amazon and Sahel regions. After reducing the trend, the semiannual and the annual signals, 24–53 % of the residual variance in altimetry-derived sea level time series is explained by the combination of Argo steric sea levels and the Wiener-filtered ITSG MC. …”
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