Hydrochemical and isotopic studies providing a new functional model for the coastal aquifers in Douala Coastal Sedimentary Basin (DCSB)/Cameroon von Emvoutou, Huguette C., Estelle Ndomè, E.-P., Diongue, Djim M.L., Ndam, Jules R., Stumpp, Christine, Ketchemen-T., Béatrice, Ekodeck, Georges E., Travi, Yves, Faye, Serigne

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Geologic factors controlling groundwater chemistry in the coastal aquifer system of Douala/Cameroon: implication for groundwater system functioning von Emvoutou, Huguette C., Ketchemen Tandia, Béatrice, Ngo Boum Nkot, Suzanne, Ebonji, Rodrigue C. S., Nlend, Yvon B., Ekodeck, Georges E., Stumpp, Christine, Maloszewski, Piotr, Faye, Serigne

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Nitrate contamination of groundwater in two areas of the Cameroon Volcanic Line (Banana Plain and Mount Cameroon area) von Ako, Andrew Ako, Eyong, Gloria Eneke Takem, Shimada, Jun, Koike, Katsuaki, Hosono, Takahiro, Ichiyanagi, Kimpei, Richard, Akoachere, Tandia, Beatrice Ketchemen, Nkeng, George Elambo, Roger, Ntankouo Njila

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Contribution to knowledge of the Lakes of Ounianga by bathymetry and physicochemistry von Arrakhais, Abakar Bourma, Abderamane, Hamit, Moussa, Abderamane, Beatrice, Ketchemen-Tandia, Mahamat, NourAbdalah

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Flow dynamics and age of groundwater within a humid equatorial active volcano (Mount Cameroon) deduced by δD, δ18O, 3H and chlorofluorocarbons (CFCs) von Ako, Andrew Ako, Shimada, Jun, Hosono, Takahiro, Kagabu, Makoto, Richard, Akoachere, Nkeng, George Elambo, Tongwa, Aka Festus, Ono, Masahiko, Eyong, Gloria Eneke Takem, Tandia, Beatrice Ketchemen, Mouncherou, Oumar Farouk

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Variation of hydrogeochemical characteristics of water in surface flows, shallow wells, and boreholes in the coastal city of Douala (Cameroon) von Fantong, Wilson Y., Kamtchueng, Brice T., Ketchemen-Tandia, Beatrice, Kuitcha, Doris, Ndjama, Josephine, Fouepe, Alain T., Takem, Gloria E., Issa, Wirmvem, Mengnjo J., Djomou, Serges L. Bopda, Ako, Andrew A., Nkeng, George E., Kusakabe, Minoru, Ohba, Takeshi

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Geoheritage and Geoparks in Africa and the Middle-East: Challenges and Perspectives von Errami, Ezzoura, Schneider, Gabi, Ennih, Nasser, Randrianaly, Hasina Nirina, Bendaoud, Abderrahmane, Noubhani, Abdelmajid, Norman, Nick, Allan, Mamoon, Vasconcelos, Lopo, Costa, Luis, Al-Wosabi, Mohammed, Al-Subbary, Abdulkarim, Mabvuto-Ngwira, Percy, Okunlola, Gbenga, Halliru, Salisu Lawal, Andrianaivo, Lala, Siby, Sophie, Ketchemen, Béatrice, Gauly, Marcelle, Hassine, Mohsen, Azki, Fawaz, Juliette, Tea, Lattrache, Kmar, Omulo, Monica, Bobrowsky, Peter

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