Vertical change in transparency of water at Lake Nyos, a possible indicator for the depth of chemocline
Saiki, Kazuto, Kaneko, Katsuya, Ohba, Takeshi, Ntchantcho, Romaric, Fouepe, Alain, Kusakabe, Minoru, Tanyileke, Gregory, Hell, Joseph.V.
Published in Journal of African earth sciences (1994) (01.04.2019)
Published in Journal of African earth sciences (1994) (01.04.2019)
Get full text
Journal Article
Temperature and electrical conductivity of water in Lake Nyos transmitted by an automatic observation buoy
Ohba, Takeshi, Ooki, Seigo, Oginuma, Yu, Yoshida, Hajime, Ntchantcho, Romaric, Ako, Andrew, Tawedi, Robert, Ayissi, Mevengue, Tanyileke, Gregory, Hell, Joseph V.
Published in Journal of African earth sciences (1994) (01.12.2020)
Published in Journal of African earth sciences (1994) (01.12.2020)
Get full text
Journal Article
Hydrogeochemistry and quality of surface water and groundwater in the vicinity of Lake Monoun, West Cameroon: approach from multivariate statistical analysis and stable isotopic characterization
Kamtchueng, Brice T., Fantong, Wilson Y., Wirmvem, Mengnjo J., Tiodjio, Rosine E., Takounjou, Alain F., Ndam Ngoupayou, Jules R., Kusakabe, Minoru, Zhang, Jing, Ohba, Takeshi, Tanyileke, Gregory, Hell, Joseph V., Ueda, Akira
Published in Environmental monitoring and assessment (01.09.2016)
Published in Environmental monitoring and assessment (01.09.2016)
Get full text
Journal Article
First occurrence of a mawsoniid (Sarcopterygii: Actinistia), Mawsonia soba sp. nov., in pre-Aptian Cretaceous deposits from Cameroon
Brito, Paulo M., Cupello, Camila, Yabumoto, Yoshitaka, Hell, Joseph V., Brunet, Michel, Otero, Olga
Published in Cretaceous research (01.06.2018)
Published in Cretaceous research (01.06.2018)
Get full text
Journal Article
New insights into volume estimates and gas contents from the acoustic investigation at Lake Monoun, Cameroon
Alain, Fouepe Takounjou, Romaric, Ntchantcho, Kazuto, Saiki, Takeshi, Ohba, Brice, Kamtchueng, Gregory, Tanyileke, Benoit, Fraleu, Joseph, Hell
Published in Journal of African earth sciences (1994) (01.12.2019)
Published in Journal of African earth sciences (1994) (01.12.2019)
Get full text
Journal Article
First palynostratigraphical evidence for a Late Eocene to Early Miocene age of the volcano-sedimentary series of Dschang, western part of Cameroon and its implications for the interpretation of palaeoenvironment
Moise, Bessong, Victor, Hell Joseph, Burkhardt, Susanne Feist, Samankassou, Elias, Bennami, Mouloud, Désiré, Nolla Junior, Olive, Mbesse Cecile, Adatte, Thierry, Martini, Rossana, Brunet, Michel
Published in Palaeogeography, palaeoclimatology, palaeoecology (01.11.2017)
Published in Palaeogeography, palaeoclimatology, palaeoecology (01.11.2017)
Get full text
Journal Article
Degassing Lakes Nyos and Monoun: Defusing Certain Disaster
Kling, George W., Evans, William C., Tanyileke, Greg, Kusakabe, Minoru, Ohba, Takeshi, Yoshida, Yutaka, Hell, Joseph V., Carpenter, Stephen R.
Published in Proceedings of the National Academy of Sciences - PNAS (04.10.2005)
Published in Proceedings of the National Academy of Sciences - PNAS (04.10.2005)
Get full text
Journal Article
Characteristics of chemical weathering and water–rock interaction in Lake Nyos dam (Cameroon): Implications for vulnerability to failure and re-enforcement
Fantong, Wilson Y., Kamtchueng, Brice T., Yamaguchi, Kohei, Ueda, Akira, Issa, Ntchantcho, Romaric, Wirmvem, Mengnjo J., Kusakabe, Minoru, Ohba, Takeshi, Zhang, Jing, Aka, Festus T., Tanyileke, Gregory, Hell, Joseph V.
Published in Journal of African earth sciences (1994) (01.01.2015)
Published in Journal of African earth sciences (1994) (01.01.2015)
Get full text
Journal Article
Assessment of shallow groundwater in Lake Nyos catchment (Cameroon, Central-Africa): implications for hydrogeochemical controls and uses
Kamtchueng, Brice T., Fantong, Wilson Y., Ueda, Akira, Tiodjio, Edwige R., Anazawa, Katsuro, Wirmvem, Mengnjo J., Mvondo, Joseph O., Nkamdjou, Luc S., Kusakabe, Minoru, Ohba, Takeshi, Tanyileke, Gregory, Hell, Joseph V.
Published in Environmental earth sciences (01.11.2014)
Published in Environmental earth sciences (01.11.2014)
Get full text
Journal Article
Hydrochemical and isotopic characteristics of groundwater in the Ndop plain, northwest Cameroon: resilience to seasonal climatic changes
Wirmvem, Mengnjo Jude, Ohba, Takeshi, Suila, Justice Yuven, Fantong, Wilson Yetoh, Bate, Nchemty Oscar, Ooki, Seigo, Wotany, Engome Regina, Asaah, Asobo Nkengmatia Elvis, Ayonghe, Samuel Ndonwi, Tanyileke, Gregory, Hell, Joseph Victor
Published in Environmental earth sciences (01.11.2014)
Published in Environmental earth sciences (01.11.2014)
Get full text
Journal Article
30 years of the Lakes Nyos and Monoun gas disasters: A scientific, technological, institutional and social adventure
Tanyileke, Gregory, Ntchantcho, Romaric, Fantong, Wilson Yetoh, Aka, Festus Tongwa, Hell, Joseph Victor
Published in Journal of African earth sciences (1994) (01.02.2019)
Published in Journal of African earth sciences (1994) (01.02.2019)
Get full text
Journal Article
Eruption history and petrogenesis of rocks from Nyos volcano (NW Cameroon): Evidence from lithostratigraphy and geochemistry
Hasegawa, Takeshi, Aka, Festus Tongwa, Miyabuchi, Yasuo, Nche, Linus Anye, Kobayashi, Tetsuo, Kaneko, Katsuya, Asaah, Asobo Nkengmatia Elvis, Kankeu, Boniface, Issa, Ohba, Takeshi, Kusakabe, Minoru, Hell, Joseph Victor
Published in Journal of volcanology and geothermal research (15.06.2019)
Published in Journal of volcanology and geothermal research (15.06.2019)
Get full text
Journal Article
Eruptive history of the Barombi Mbo Maar, Cameroon Volcanic Line, Central Africa: Constraints from volcanic facies analysis
Tchamabé, Boris Chako, Youmen, Dieudonné, Owona, Sébastien, Issa, Ohba, Takeshi, Németh, Károly, Ngapna, Moussa Nsangou, Asaah, Asobo N. E., Aka, Festus T., Tanyileke, Gregory, Hell, Joseph V.
Published in Central european journal of geosciences (01.12.2013)
Published in Central european journal of geosciences (01.12.2013)
Get full text
Journal Article
A multi-tracer approach for assessing the origin, apparent age and recharge mechanism of shallow groundwater in the Lake Nyos catchment, Northwest, Cameroon
Kamtchueng, Brice Tchakam, Fantong, Wilson Yetoh, Wirmvem, Mengnjo Jude, Tiodjio, Rosine Edwige, Fouépé Takounjou, Alain, Asai, Kazuyoshi, Bopda Djomou, Serges L., Kusakabe, Minoru, Ohba, Takeshi, Tanyileke, Gregory, Hell, Joseph Victor, Ueda, Akira
Published in Journal of hydrology (Amsterdam) (01.04.2015)
Published in Journal of hydrology (Amsterdam) (01.04.2015)
Get full text
Journal Article
Origin of major ions in monthly rainfall events at the Bamenda Highlands, North West Cameroon
Wirmvem, Mengnjo J., Ohba, Takeshi, Fantong, Wilson Y., Ayonghe, Samuel N., Hogarh, Jonathan N., Suila, Justice Y., Asaah, Asobo Nkengmatia E., Ooki, Seigo, Tanyileke, Gregory, Hell, Joseph V.
Published in Journal of environmental sciences (China) (01.04.2014)
Published in Journal of environmental sciences (China) (01.04.2014)
Get full text
Journal Article
Towards the reconstruction of the shallow plumbing system of the Barombi Mbo Maar (Cameroon) Implications for diatreme growth processes of a polygenetic maar volcano
Chako Tchamabé, Boris, Ohba, Takeshi, Kereszturi, Gabor, Németh, Karoly, Aka, Festus Tongwa, Youmen, Dieudonné, Issa, Miyabuchi, Yasuo, Ooki, Seigo, Tanyileke, Gregory, Hell, Joseph Victor
Published in Journal of volcanology and geothermal research (15.08.2015)
Published in Journal of volcanology and geothermal research (15.08.2015)
Get full text
Journal Article
A Depression Containing CO2-Enriched Water at the Bottom of Lake Monoun, Cameroon, and Implications for the 1984 Limnic Eruption
Ohba, Takeshi, Oginuma, Yu, Saiki, Kazuto, Kusakabe, Minoru, Issa, Fouepe, Takounjou A., Ntchantcho, Romaric, Tanyileke, Gregory, Hell, Joseph V.
Published in Frontiers in earth science (Lausanne) (25.05.2022)
Published in Frontiers in earth science (Lausanne) (25.05.2022)
Get full text
Journal Article
Upper Triassic mafic dykes of Lake Nyos, Cameroon (West Africa) I: K-Ar age evidence within the context of Cameroon Line magmatism, and the tectonic significance
Aka, Festus Tongwa, Hasegawa, Takeshi, Nche, Linus Anye, Asaah, Asobo Nkengmatia Elvis, Mimba, Mumbfu Ernestine, Teitchou, Isidore, Ngwa, Caroline, Miyabuchi, Yasuo, Kobayashi, Tetsuo, Kankeu, Boniface, Yokoyama, Tetsuya, Tanyileke, Gregory, Ohba, Takeshi, Hell, Joseph Victor, Kusakabe, Minoru
Published in Journal of African earth sciences (1994) (01.05.2018)
Published in Journal of African earth sciences (1994) (01.05.2018)
Get full text
Journal Article
Symmetrical Helium isotope distribution on the Cameroon Volcanic Line, West Africa
Aka, Festus T, Nagao, Keisuke, Kusakabe, Minoru, Sumino, Hirochika, Tanyileke, Greg, Ateba, Bekoa, Hell, Joseph
Published in Chemical geology (01.02.2004)
Published in Chemical geology (01.02.2004)
Get full text
Journal Article
The July 2002 earthquake in the Kribi region: geological context and a preliminary evaluation of seismic risk in southwestern Cameroon
Nfomou, Ntepe, Tongwa, Aka Festus, Ubangoh, Ubangoh Richard, Bekoa, Ateba, Metuk, Nnange Joseph, Victor, Hell Joseph
Published in Journal of African earth sciences (1994) (01.10.2004)
Published in Journal of African earth sciences (1994) (01.10.2004)
Get full text
Journal Article