REALISATIONS ET PUBLICATIONS
Realisations
Publications

    Géologie et Ressources minérales

    Géologie régionale/ Géochronologie :

  • M. Houketchang Bouyo, Y. Zhao, J. Penaye, S.H. Zhang, U.O. Njel, 2015.
    Neoproterozoic subduction-related metavolcanic and metasedimentary rocks from the Rey Bouba Greenstone Belt of north-central Cameroon in the Central African Fold Belt: New insights into a continental arc geodynamic setting.
    Precambrian Research 261:40-51.
  • M. Houketchang Bouyo, J. Penaye, P. Barbey, S.F. Toteu, P. Wandji, 2013.
    Petrology of high-pressure granulite facies metapelites and metabasites from Tcholliré and Banyo regions: Geodynamic implication for the Central African Fold Belt (CAFB) of north-central Cameroon.
    Precambrian Research 224 (2013) 412– 433
  • Feiko Kalsbeek, Barth N. Ekwueme, Joseph Penaye, Zorano S. de Souza, Kristine Thrane, 2013.
    Recognition of Early and Late Neoproterozoic supracrustal units in West Africa and North-East Brazil from detrital zircon geochronology.
    Precambrian Research 226 (2013) 105– 115
  • Bouyo Houketchang, M., Toteu, S.F., Deloule, E., Penaye, J. & Van Schmus, W.R., 2009.
    U–Pb and Sm–Nd dating of high-pressure granulites from Tcholliré and Banyo regions: Evidence for a Pan-African granulite facies metamorphism in north-central Cameroon.
    Journal of African Earth Sciences 54, 144-154.
  • Ngako V., Affaton P., Njonfang E., 2008.
    Pan-African tectonics in northwestern Cameroon: Implication for the history of western Gondwana.
    Gondwana Research 14, 509–522
  • Njonfang E, Ngako V, Moreau C, Affaton P, Diot H., 2008.
    Restraining bends in high temperature shear zones: The ‘‘Central Cameroon Shear Zone”, Central Africa.
    Journal of African Earth Sciences 52, 9–20
  • Boniface Kankeu, Jean Bassahak, Joseph V. Hell & Jürgen Runge. (2012).
    Geological and Tectonic History of Western Central Africa since the Palaeozoic
    Palaeoecology of Africa Vol. 31.P 7-30
  • Mapoka Hubert, Danguene Y. Prince Emilien1, Jean Paul Nzenti, Biandja Jean, Kankeu Boniface and Suh Cheo Emmanuel., 2011.
    Major Structural Features and the Tectonic Evolution of the Bossangoa- Bossembele Basement, Northwestern Central African Republic
    The Open Geology Journal, 2011, 5, 21-32
  • Kankeu b., Nzenti j.p., Greiling R.O., Ganno S., Ngnotue T., Bassahak J., Hell J.V (2010).
    Application de la technique de l’Anisotropie de la Susceptibilité Magnétique (ASM) à l’identification des structures géologiques : Le cisaillement panafricain de Bétaré- Oya dans le district aurifère de l’Est Cameroun.
    Annales de la Faculté des Sciences, Université de Yaoundé I. 2010, Série Sciences de la Terre, Vol 38 N01, pages 17-29
  • Sangen, M., Eisenberg J., Runge J., Kankeu B. and Tchindjang M. 2010.
    New finding from geological, geomorphological and sedimentological studies on the palaoenvironment conditions in Southern Cameroon.
    Palaeoecology of Africa vol. 30. pp 165-188.
  • Kankeu B., Greiling, R.O. And Nzenty J.P. 2009.
    Pan-African strike-slip tectonics in eastern Cameroon- Magnetic fabrics (AMS) and structures in the Lom basin and its gneissic basement.
    Precambrian Research, 174 (2009) 258–272
  • Kankeu, B. and Runge, J. 2007.
    Late Neoproterozoic Paleogeography of Central Africa : Relation with Holocene geological and geomorphological setting in RUNGE, J. (ed.,), Palaeoecology of Africa.: Dynamics of forest ecosystems in Central Africa during the Holocene: Past –Present –Future.
    Palaeoecology of Africa, 28, pp. 263-275.
  • Kankeu, B. And Greiling, R.O. 2006.
    Magnetic fabrics (AMS) and transpression in the Neoproterozoic basement of Eastern – Cameroon.(Garga- Sarali area)
    Neues Jahrbuch für Geologie und Paläontologie 239.pp26-3287
  • Kankeu, B. 2008.
    Anisotropie de la susceptibilité magnétique (ASM) et fabrique des roches Néoprotérozoïques de l'Est Cameroun (régions de Garga- sarali et Betare-Oya ) : Implications géodynamiques pour l’évolution de la chaîne Pan-Africaine d’ Afrique Centrale.
    Thèse Doctorat/Ph.D. Université de Yaoundé I, Cameroun.
  • Kankeu B. 1997.
    Etude du magmatisme syntectonique panafricain de la région de Voko (Nord-Cameroun).
    Thèse de Doctorat de 3e cycle. Université de Yaoundé, Cameroun

    Hydrologie et hydrogéologie

    Publications :

  • Eneke G.T, Kuitcha D., Ako A.A., Mafany G.T., Takounjou-Fouepe A., Ndjama J, Ntchancho R., Ateba B.H., Chandrasekharam D., Ayonghe S.N. July 2015.
    Acidification of shallow groundwater in the unconfined sandy aquifer of the city of Douala, Cameroon, Western Africa: implications for groundwater quality and use.
    Journal of Environmental Earth Sciences. DOI 10.1007/s12665-015-4681-3
  • Florence T Namio, Eric Ngondiep, Romaric Ntchantcho and Jean C Ntonga.
    Mathematical model of complete shallow water problem with source terms, stability analysos of Lax-Wendroff Scheme.
    J Theor Comput Sci 2015, 2:4.
  • Ndjama Joséphine, Ako Andrew Ako, Kuitcha Dorice, TitaAwah Margaret, Fantong Wilson, MafanyGéorges, Takem Eneke Gloria, FopouoMewouo Clarisse Yvette and KamgangKabeyeneBeyalaVéronique. July 2014.
    Ecohydrology of surface and underground water of the Mgoua Drainage Basin in Douala (Cameroon).
    International Journal of Research in Chemistry and Environment. ISSN 2248-9649
  • Takahiro Hosono, Andrew Ako Ako, Akoachere A Richard, Kiyoshi Ide. March 2015.
    Visit to valuable water springs (108) around Mt. Cameroon.
    Journal of Groundwater Hydrology 01/2015; 57(1):93-107. DOI: 10.5917/jagh.57.93.
    The Journal of the Japanese Association of Groundwater Hydrology
  • Wilson Y. Fantong, Brice T. Kamtchueng, Kohei Yamaguchi, Akira Ueda,Issa, Romaric Ntchantcho, Mengnjo J. Wirmvem, Minoru Kusakabe, Takeshi Ohba, Jing Zhang, Festus T. Aka, Gregory Tanyileke, Joseph V. Hell (2014)
    Characteristics of Chemical weathering and water-rock interaction in Lake Nyos dam (Cameroon): Implications for vulnerability to failure and re-enforcement.
    Journal of African Earth Sciences,101:42-55
  • Mengnjo J. Wirmvem, Takeshi Ohba, Wilson Y. Fantong, Samuel N. Ayonghe,Jonathan N. Hogarh, Justice Y. Suila, AsoboNkengmatia E. Asaah, SeigoOoki, Gregory Tanyileke, Joseph V. Hell (2014)
    Origin of major ions in monthly rainfall events at the Bamenda Highlands,North West Cameroon.
    Journal of Environmental Sciences, 26: 1–9
  • Brice T. Kamtchueng, Wilson Y. Fantong, Akira Ueda, Edwige R. Tiodjio, Katsuro Anazawa, Mengnjo J. Wirmvem, Joseph O. Mvondo, Luc S. Nkamdjou, Minoru Kusakabe, Takeshi Ohba, Gregory Tanyileke, Joseph V. Hell (2014)
    Assessment of shallow groundwater in Lake Nyos catchment (Cameroon, Central-Africa): implications for hydrogeochemical controls and uses.
    Environ Earth Sci. 72: 3663-3678
  • Issa, Aka F.T, Mouliom A. G, Rouwet, D, Fantong W. Y, Tchamambe B.C, Ohba T, Yoshida Y, Sighomnou D, Nkamdnjou S, Kusakabe M (2014)
    ?18O and ?D variations in some volcanic lakes on the Cameroon Volcanic Line (West-Africa): generating isotopic baseline data for volcano monitoring and surveillance in Cameroon.
    Journal of Limnology, doi:10.4081/jlimnol.2014.966
  • Aka FT, Buh¬Wung Gaston, Issa, Fantong WY, Ohba T, Kusakabe M, Tanyileke G, Hell JV (2014)
    Preventing limnic eruptions in Lakes Nyos and Monoun within the framework of disaster governance, resilience and preparedness in Cameroon.
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon)
  • Asaah Asobo NE, Yokoyama T, AKA Festus T, Usui T, Wirmvem J, Chako Tchamabe B, Ohba T, Tanyileke G, Hell JV (2014)
    A comparative review of petrogenetic processes beneath the Cameroon Volcanic Line: Geochemical constraints.
    Geoscience Frontiers, Doi; 10.1016/j.gsf.2014.04.012
  • Chako TB, Ohba T, Issa, Ooki S, Youmen D, Owona S, Tanyileke G, Hell JV (2014)
    Temporal Evolution of the Barombi Mbo Maar, a Polygenetic Maar-Diatreme Volcano of the Cameroon Volcanic Line.
    International Journal of Geosciences, 5, 1315-1323
  • Djomou BSL, Abdoul KD, Tanyileke G (2014)
    Les grands pas du projet SATREPS-IRGM.
    Sciences & Dévéloppement 11, 45-46
  • Djomou BSL, Tanyileke G, Festus T Aka, Ohba T, Kling G, Fantong W, Kusakabe M, Evans W, Yoshida Y, Issa and Hell (2014)
    Preliminary results from the Lakes Monoun and Nyos climate stations.
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon
  • Fantong WY, Kamtchueng BT, Yamaguchi K, Ueda A, Issa, Ntchantcho R, Wirmvem JM, Kusakabe M, Ohba T, Zhang J, Aka F, Tanyileke G, Hell JV (2014)
    Characteristics of chemical weathering and water–rock interaction in Lake Nyos dam (Cameroon): Implications for vulnerability to failure and re-enforcement.
    Journal of African Earth Sciences, Doi.org/10.1016/j.jafrearsci.2014.08.011
  • Fouepe A, Ako A Ako and Tanyilike G (2014)
    Magmatic fluid supply into Lakes Nyos and Monoun, and mitigation of natural disasters through capacity building in Cameroon.
    2nd activity report - March 2013 to March 2014. Report to JCC members. 44 pages. March 2014
  • Issa (2014)
    Geochemical Characterization of Volcanic Lakes: Implications for Volcanic Hazards Monitoring and Surveillance along the Cameroon Volcanic Line (CVL).
    These de doctorat PhD, Université de Tokai
  • Issa, Ohba T, Fantong W, Eleazar P, Aka F, Ooki S, Yoshida Y, Pedro H, Kuitcha D, Fouepe A, Kusakabe M, Chako TB, Sighomnou D, Tanyileke G, Sigha NL (2014)
    Geochemistry of Soil Gas from Mount Manenguba Cadera, Cameroon Volcanic Line (CVL).
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon
  • Issa, Yoshida Y, Kuitcha D, Ohba T, Fantong W, Padron E, Fouepe A, Kusakabe M, Ooki S, Chako TB, Sighomnoun D, Sigha Nkamdjou, Tanyileke G (2014)
    A laboratory-free method to measure dissolved CH4 in gassy lakes.
    Goldschmidt2014 http://goldschmidt.info/2014/, 8th-18th June, Sacramento, USA
  • Issa, Fantong WY, Aka FT, Ohba T, Chako Tchamabé B, Rouwet D, Yoshida Y, Gbetnkom Mouliom A, Sighomnoun D, Sigha Nkamdjou, Kusakabe M, Tanyileke G, Hell JV (2014)
    ?18O and ?D variation in some volcanic lakes along the Cameroon Volcanic Line (West-Africa): Generating an isotopic baseline data for volcanoes monitoring/surveillance in Cameroon.
    J. Limnol. Doi:10.4081/jlimnol.2014.966
  • Issa, Ohba T, Chako Tchamabé B, Padrón E, Hernández P, Eneke Takem EG, Barrancos J, Sighomnoun D, Ooki S, Sigha Nkamdjou, Kusakabe M, Yoshida Y (2014)
    Gas emission from some Diffuse Diffusion Structures (DDSs) of the Cameroon Volcanic Line (CVL): Implication for the prevention of CO2 related hazards. Journal of Volcanology and Geothermal Research.
    82-93. DOI: 10.1016/j.jvolgeores.2014.07.001
  • Kamtchueng BT, Fantong WY, Ueda A, Tiodjio ER, Anazawa K, Wirmvem J, Mvondo JO, Nkamdjou L, Kusakabe M, Ohba T, Gregory Tanyileke, Joseph V. Hell (2014)
    Assessment of shallow groundwater in Lake Nyos catchment (Cameroon, Central-Africa): implications for hydrogeochemical controls and uses.
    Environmental Earth Sciences, DOI 10.1007/s12665-014-3278-6
  • Tiodjio RE, Sakatoku A, Nakamura A, Tanaka D, Fantong WY, Tchakam Kamtchueng B, Tanyileke G, Ohba T, Hell JV, Kusakabe M, Nakamura S & Ueda A (2014)
    Bacterial and archaeal communities in Lake Nyos (Cameroon, Central Africa).
    Scientific Reports 4, 6151;

    Energie

    Environnement et risques naturels

    Publications :

  • Wilson Y. Fantong, Brice T. Kamtchueng, Kohei Yamaguchi, Akira Ueda,Issa, Romaric Ntchantcho, Mengnjo J. Wirmvem, Minoru Kusakabe, Takeshi Ohba, Jing Zhang, Festus T. Aka, Gregory Tanyileke, Joseph V. Hell (2014)
    Characteristics of Chemical weathering and water-rock interaction in Lake Nyos dam (Cameroon): Implications for vulnerability to failure and re-enforcement.
    Journal of African Earth Sciences,101:42-55
  • Mengnjo J. Wirmvem, Takeshi Ohba, Wilson Y. Fantong, Samuel N. Ayonghe,Jonathan N. Hogarh, Justice Y. Suila, AsoboNkengmatia E. Asaah, SeigoOoki, Gregory Tanyileke, Joseph V. Hell (2014)
    Origin of major ions in monthly rainfall events at the Bamenda Highlands,North West Cameroon.
    Journal of Environmental Sciences, 26: 1–9
  • Brice T. Kamtchueng, Wilson Y. Fantong, Akira Ueda, Edwige R. Tiodjio, Katsuro Anazawa, Mengnjo J. Wirmvem, Joseph O. Mvondo, Luc S. Nkamdjou, Minoru Kusakabe, Takeshi Ohba, Gregory Tanyileke, Joseph V. Hell (2014)
    Assessment of shallow groundwater in Lake Nyos catchment (Cameroon, Central-Africa): implications for hydrogeochemical controls and uses.
    Environ Earth Sci. 72: 3663-3678
  • Issa, Aka F.T, Mouliom A. G, Rouwet, D, Fantong W. Y, Tchamambe B.C, Ohba T, Yoshida Y, Sighomnou D, Nkamdnjou S, Kusakabe M (2014)
    ?18O and ?D variations in some volcanic lakes on the Cameroon Volcanic Line (West-Africa): generating isotopic baseline data for volcano monitoring and surveillance in Cameroon.
    Journal of Limnology, doi:10.4081/jlimnol.2014.966
  • Aka FT, Buh¬Wung Gaston, Issa, Fantong WY, Ohba T, Kusakabe M, Tanyileke G, Hell JV (2014)
    Preventing limnic eruptions in Lakes Nyos and Monoun within the framework of disaster governance, resilience and preparedness in Cameroon.
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon
  • Asaah Asobo NE, Yokoyama T, AKA Festus T, Usui T, Wirmvem J, Chako Tchamabe B, Ohba T, Tanyileke G, Hell JV (2014)
    A comparative review of petrogenetic processes beneath the Cameroon Volcanic Line: Geochemical constraints.
    Geoscience Frontiers, Doi; 10.1016/j.gsf.2014.04.012
  • Chako TB, Ohba T, Issa, Ooki S, Youmen D, Owona S, Tanyileke G, Hell JV (2014)
    Temporal Evolution of the Barombi Mbo Maar, a Polygenetic Maar-Diatreme Volcano of the Cameroon Volcanic Line.
    International Journal of Geosciences, 5, 1315-1323
  • Djomou BSL, Abdoul KD, Tanyileke G (2014)
    Les grands pas du projet SATREPS-IRGM.
    Sciences & Dévéloppement 11, 45-46
  • Djomou BSL, Tanyileke G, Festus T Aka, Ohba T, Kling G, Fantong W, Kusakabe M, Evans W, Yoshida Y, Issa and Hell (2014)
    Preliminary results from the Lakes Monoun and Nyos climate stations.
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon
  • Fantong WY, Kamtchueng BT, Yamaguchi K, Ueda A, Issa, Ntchantcho R, Wirmvem JM, Kusakabe M, Ohba T, Zhang J, Aka F, Tanyileke G, Hell JV (2014)
    Characteristics of chemical weathering and water–rock interaction in Lake Nyos dam (Cameroon): Implications for vulnerability to failure and re-enforcement.
    Journal of African Earth Sciences, Doi.org/10.1016/j.jafrearsci.2014.08.011
  • Fouepe A, Ako A Ako and Tanyilike G (2014)
    Magmatic fluid supply into Lakes Nyos and Monoun, and mitigation of natural disasters through capacity building in Cameroon.
    2nd activity report - March 2013 to March 2014. Report to JCC members. 44 pages. March 2014
  • Issa (2014)
    Geochemical Characterization of Volcanic Lakes: Implications for Volcanic Hazards Monitoring and Surveillance along the Cameroon Volcanic Line (CVL).
    These de doctorat PhD, Université de Tokai
  • Issa, Ohba T, Fantong W, Eleazar P, Aka F, Ooki S, Yoshida Y, Pedro H, Kuitcha D, Fouepe A, Kusakabe M, Chako TB, Sighomnou D, Tanyileke G, Sigha NL (2014)
    Geochemistry of Soil Gas from Mount Manenguba Cadera, Cameroon Volcanic Line (CVL).
    11th Annual Meeting Asia Oceania Geosciences Society (AOGS), 28 July to 01 August, 2014, Sapporo-Japon
  • Issa, Yoshida Y, Kuitcha D, Ohba T, Fantong W, Padron E, Fouepe A, Kusakabe M, Ooki S, Chako TB, Sighomnoun D, Sigha Nkamdjou, Tanyileke G (2014)
    A laboratory-free method to measure dissolved CH4 in gassy lakes.
    Goldschmidt2014 http://goldschmidt.info/2014/, 8th-18th June, Sacramento, USA
  • Issa, Fantong WY, Aka FT, Ohba T, Chako Tchamabé B, Rouwet D, Yoshida Y, Gbetnkom Mouliom A, Sighomnoun D, Sigha Nkamdjou, Kusakabe M, Tanyileke G, Hell JV (2014)
    ?18O and ?D variation in some volcanic lakes along the Cameroon Volcanic Line (West-Africa): Generating an isotopic baseline data for volcanoes monitoring/surveillance in Cameroon.
    J. Limnol. Doi:10.4081/jlimnol.2014.966
  • Issa, Ohba T, Chako Tchamabé B, Padrón E, Hernández P, Eneke Takem EG, Barrancos J, Sighomnoun D, Ooki S, Sigha Nkamdjou, Kusakabe M, Yoshida Y (2014)
    Gas emission from some Diffuse Diffusion Structures (DDSs) of the Cameroon Volcanic Line (CVL): Implication for the prevention of CO2 related hazards. Journal of Volcanology and Geothermal Research.
    82-93. DOI: 10.1016/j.jvolgeores.2014.07.001
  • Kamtchueng BT, Fantong WY, Ueda A, Tiodjio ER, Anazawa K, Wirmvem J, Mvondo JO, Nkamdjou L, Kusakabe M, Ohba T, Gregory Tanyileke, Joseph V. Hell (2014)
    Assessment of shallow groundwater in Lake Nyos catchment (Cameroon, Central-Africa): implications for hydrogeochemical controls and uses.
    Environmental Earth Sciences, DOI 10.1007/s12665-014-3278-6
  • Tiodjio RE, Sakatoku A, Nakamura A, Tanaka D, Fantong WY, Tchakam Kamtchueng B, Tanyileke G, Ohba T, Hell JV, Kusakabe M, Nakamura S & Ueda A (2014)
    Bacterial and archaeal communities in Lake Nyos (Cameroon, Central Africa).
    Scientific Reports 4, 6151;

    Rapports :

  • Saiki K, Kaneko K, Ntchantcho R, Fouepe A. Mission report of “CO2 supply-system-study team” on survey at Lakes Nyos and Monoun in March 2015. March 2015
  • Ntchantcho R. Numerical simulation for limnic eruption work session. December 2014
  • Ntchantcho R, Chameni C, Tjombe J. Mastering the degassing system in Lake Nyos. June 2013
  • Ntchantcho R, Mbolla SP. Nkondjock landslide, Cameroon. Octobre 2012
  • Aka F, Kankeu B, Ntchantcho R. Kakpeny (Akwaya) landslide, South-West Cameroon. August 2012
  • Tanyileke G, Ntchantcho R. Follow up of natural heat generation in Makok. June 2008
  • Tanyileke G, Ntchantcho R. Finalising the degassing in Lake Monoun. April 2008
  • Ntchantcho R. Measurements in the Lakes Nyos and Monoun, and evolution of the double diffusion. July 2007
  • Ntchantcho R. Propositions for the follow up of degassing pipes in Lakes Nyos and Monoun. May 2006
  • Tanyileke G, Ntchantcho R. Follow up of the scientific installation and trouble shouting of the pipes in Lake Monoun. April 2006
  • Tanyileke G, Ntchantcho R. Degassing Lakes Nyos and Monoun: Implantation of two supplementary pipes at Monoun. February 2006.

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