Academic literature on the topic 'Cameroon Volcanic Line (CVL)'

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Journal articles on the topic "Cameroon Volcanic Line (CVL)"

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Nemzoue, P. N. N., N. A. K. Keutchafo, and J. P. Tchouankoue. "GEOTHERMAL DEVELOPMENT IN CAMEROON." Revista de Engenharia Térmica 19, no. 1 (2020): 32. http://dx.doi.org/10.5380/reterm.v19i1.76428.

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Africa is currently experiencing a period of economic growth. Its population is growing rapidly and its economies grow and diversify. To be sustainable, such growth requires a large investment in the energy sector. In the case of Cameroon hydroelectric energy is the main source of electrical power whereas the analysis of the geological point of view shows that Cameroon is unique in west-northern of Africa for its active volcanic line (with the last eruption of Mount Cameroon that last erupted in 1999 and 2000) that is a favorable zone for the production of power from geothermal resources. The Cameroon Volcanic Line (CVL) is 100 km wide linear magmatic megastructure oriented N30°E that extends more than 1500 km from Pagalu Island in the Gulf of Guinea to Lake Chad. Along this active volcanic line, more than one hundred and thirty thermal springs are found with the hottest spring at Woulndé (74°C).The aim of this paper is to evaluate the importance of geothermal energy development in the Cameroon Volcanic Line through a geological investigation of areas (Mt. Cameroon and Adamawa) bearing springs with hottest temperatures. This work is a compilation of the bibliographic analysis find at the same topic of research with a source like an International reviewed article, local documents and a websites research. The absence of commitment and enthusiasm from the government is weakening the sector potentiality to be developed either by private sector investments and also foreign investors. Other applications of geothermal energy in Cameroon are also discussed.
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MISSOUP, ALAIN DIDIER, VIOLAINE NICOLAS, WIM WENDELEN, CHARLES FELIX BILONG BILONG, CORINNE CRUAUD, and CHRISTIANE DENYS. "First record of Hylomyscus walterverheyeni (Rodentia: Muridae) on the north-western side of the Sanaga River (western Cameroon)." Zootaxa 2044, no. 1 (2009): 46–60. http://dx.doi.org/10.11646/zootaxa.2044.1.3.

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We used both molecular and craniometrical data to test the presence of Hylomyscus walterverheyeni in the Cameroon Volcanic Line (CVL). Our molecular (cytochrome b and 16S gene sequencing) and morphometrical data (discriminant analyses) clearly show the presence of H. walterverheyeni in the CVL, north-west of the Sanaga River. Hylomyscus walterverheyeni occupies both lowland and mountain forests (up to 2000m asl). In our phylogenetic analyses, the CVL specimens form a monophyletic group. This clade seems to reflect the role of the Sanaga River as a barrier to gene flow within the species.
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Donald Ngonge, E., Maria Helena B. M. Hollanda, E. Nkonguin Nsifa, and Felix M. Tchoua. "Petrology of the Guenfalabo ring-complex: An example of a complete series along the Cameroon Volcanic Line (CVL), Cameroon." Journal of African Earth Sciences 96 (August 2014): 139–54. http://dx.doi.org/10.1016/j.jafrearsci.2014.03.027.

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Chongwain, Gilbert Mbzighaa, Christopher M. Agyingi, J. Foba-Tendo, and A. F. Epanty. "Sedimentology and geochemistry of carbonate bearing-argillites on the southeastern flank of mount Cameroon (likomba), Cameroon volcanic line (CVL)." Journal of African Earth Sciences 156 (August 2019): 178–88. http://dx.doi.org/10.1016/j.jafrearsci.2019.04.010.

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PARISELLE, ANTOINE, ARNOLD R. BITJA NYOM, and CHARLES F. BILONG. "Checklist of the ancyrocephalids (Monogenea) parasitizing Tilapia species in Cameroon, with the description of three new species." Zootaxa 3599, no. 1 (2013): 78–86. http://dx.doi.org/10.11646/zootaxa.3599.1.7.

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A checklist of the 23 species of Ancyrocephalidae (Monogenea) parasitizing Tilapia species sampled from both sides of the Cameroon Volcanic Line is provided. As already reported elsewhere, Cichlidogyrus aegypticus in Cameroon shows two different shape of its vagina, and C. tilapiae, C. arthracanthus and C. tiberianus were found on a wide range of host species. Among the 23 studied species of Monogenea, three are considered new species and are described herein: Cichlidogyrus berminensis n. sp. from Tilapia bemini, characterized by a short penis with marked narrow heel, a simple and straight accessory piece ending in a large hook, and a medium sized pair of uncinuli I; Cichlidogyrus gillesi n. sp. from Tilapia guineensis, characterized by a large and trapezoid heel of the penis and a S-shaped and wrinkle walled vagina; and Scutogyrus vanhovei n. sp. from Tilapia mariae, characterized by the presence of a distinct swollen portion of the penis. From a parasite’s point of view, the CVL has no influence on species dispersion/distribution.
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Mouncherou, Oumar Farouk, Olivier Njikeu, Brice Tchakam Kamtchueng, et al. "Use of Landsat 8 OLI Images to Assess Groundwater Potential Areas in the Bamun Plateau: Cameroon Volcanic Line (CVL)." Journal of Water Resource and Protection 11, no. 07 (2020): 558–76. http://dx.doi.org/10.4236/jwarp.2020.117034.

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Mouncherou, Oumar Farouk, Olivier Njikeu, Brice Tchakam Kamtchueng, et al. "Use of Landsat 8 OLI Images to Assess Groundwater Potential Areas in the Bamun Plateau: Cameroon Volcanic Line (CVL)." Journal of Water Resource and Protection 12, no. 07 (2020): 558–76. http://dx.doi.org/10.4236/jwarp.2020.127034.

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Issa, T. Ohba, B. Chako Tchamabé, et al. "Gas emission from diffuse degassing structures (DDS) of the Cameroon volcanic line (CVL): Implications for the prevention of CO2-related hazards." Journal of Volcanology and Geothermal Research 283 (August 2014): 82–93. http://dx.doi.org/10.1016/j.jvolgeores.2014.07.001.

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Tchouatcha, Milan Stafford, Arnaud Patrice Kouske, Rose Eugenie Takojio Nguemo, et al. "The active thermogene travertine deposits along the Cameroon volcanic line (CVL), central africa: Petrology and insights for neotectonics and paleoenvironmental approach." Journal of African Earth Sciences 144 (August 2018): 1–16. http://dx.doi.org/10.1016/j.jafrearsci.2018.04.004.

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Tchindjang, Mesmin. "Lake Nyos, a Multirisk and Vulnerability Appraisal." Geosciences 8, no. 9 (2018): 312. http://dx.doi.org/10.3390/geosciences8090312.

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Situated at the northern flank of the Oku Massif, Lake Nyos crater epitomizes landscape features originating from volcanic explosions during the Quaternary. The Cameroon Volcanic Line (CVL), to which it belongs, constitutes the most active volcanic region in Cameroon. In 1986, an outgas explosion occurred from beneath the lake and killed 1746 people in several neighbouring villages. The event influenced a radial area of 25 to 40 km wide, particularly in eastern and western direction. This was mainly due to: (1) the rugged nature of the landscape (fault fields), which enabled the heavier gas to follow valleys framed by faults corridors without affecting elevated areas; and (2) the seasonal dominating western wind direction, which channeled the gas along tectonic corridors and valleys. This paper assesses the geological risk and vulnerability in the Lake Nyos before and after several proposal to mitigate future outgas events. Remotely sensed data, together with GIS tools (topographic maps, aerial photographs), helped to determine and assess lineaments and associated risks. A critical grid combining severity and frequency analysis was used to assess the vulnerability of the local population. There is evidence that along the main fault directions (SW–NE), anthropogenic activities are most intensive and they may play an aggravating role for disasters. This requires the local population’s consciousness-raising. The results also show that population around Lake Nyos still remains vulnerable to volcanic hazards and floods. However, the area has been safe since the last degassing and jet grouting through multiple procedures and actions proposed in the National Contingency Plan, and equally by the relief organization plan (DROP or ORSEC plan) for the Menchum Division. Another issue is that the local population is concerned with the idea of returning to the affected areas in order to stay close to their ancestors or the deceased. Therefore, even after jet grouting and degassing, the problem of risk minimization for local residents remains.
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Dissertations / Theses on the topic "Cameroon Volcanic Line (CVL)"

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Tambe-Ebot, Mathias Ashu Tako. "Proposing a Theoretical GIS Model for Landslides Analysis : The Case of Mount Cameroon." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-65899.

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This study presents a theoretical GIS model to investigate the relative impacts of geomorphic and environmental factors that govern the occurrence of landslides on the slopes of Mount Cameroon and its surrounding areas. The study area is located along the Cameroon Volcanic Line (CVL), a major structural feature that originates from the south Atlantic and continues into the continental landmass. The quite frequent seismic activity, geologic character, humid tropical climate and high human pressure on hill slopes are the major factors behind the occurrence of landslides in Mount Cameroon. This paper, therefore, underscores the necessity of in-depth follow-up studies concerned with landslides prevention and management based on the relevance of sufficient reliable field methods in landform geomorphology and interpretation. As much is yet to be done to acquire data for structural and surface geology, hydrology, geomorphic processes and physiography of Mount Cameroon, it is difficult at this point in time to considerably apply suitable methods using GIS that would enable identifying and delineating the landslide-prone areas. In addition, the application of environmental surface monitoring instruments will not be meaningful without a clear presentation of which areas are a cause for concern (given that the employment of any slope stability monitoring and rehabilitation efforts will be only possible after appropriate problem-area identification has been done). Consequently, based on the writer’s previous work in the Mount Cameroon area and available related literature, a methodology using GIS is proposed, which provides the capability to demonstrate how the impact of individual or collective geomorphologic site-specific factors on landslides occurrence could be justified. Considering that digital data may not be readily available, a procedure for the creation of data and analysis of themes is proposed and illustrated. The factors analysis approach in landslides analysis may be cheaper and easier to employ in Mount Cameroon and similar problem regions in developing countries (given that there may be problems of limited financial resources and available expertise in GIS technology and applications). The study underscores and recommends the necessity for a later practical implementation with the availability of adequate resources.
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Tabod, Tabod Charles. "Seismological studies of the Cameroon Volcanic Line, in West Africa." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305583.

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Nnange, Joseph Metuk. "The crustal structure of the Cameroon Volcanic Line and the Foumban Shear Zone based on gravity and aeromagnetic data." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305782.

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Audhkhasi, Pranav. "Upper Crustal and Lithosphere-Asthenosphere Boundary Seismic Structure of 0-75 Ma old Normal Oceanic Lithosphere in the Equatorial Atlantic Ocean." Thesis, Université de Paris (2019-....), 2020. http://www.theses.fr/2020UNIP7056.

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Les études antérieures sur la croûte océanique supérieure se sont limitées à la jeune lithosphère et aux données sismiques à grand angle, qui manquent de résolution dans la croûte supérieure. La limite océanique lithosphère-asthénosphère (LAB) a été largement étudiée par des études sismologiques, mais souffre également d'une faible résolution verticale. L'expérience TransAtlantic ILAB a collecté des données de réflexion sismique multicanaux sur la lithosphère océanique âgée de 0 à 75 Ma formée sur la dorsale médio-atlantique à propagation lente dans l'océan Atlantique équatorial. L'analyse de la croûte supérieure au moyen de l'imagerie sismique et de latomographie à haute résolution indique que le sommet de la croûte (couche 2A) n'est jamais scellé de 0 à 75 Ma et les systèmes hydrothermaux continuent dans la croûte océanique plus ancienne. La majeure partie de l'évolution se produit dans les 4 premiers Myr, au-delà de laquelle l'intensité de la circulation hydrothermale diminue et la couverture sédimentaire augmente. La limite de la couche 2A / 2B est un contact de lave / digue à l'axe de la crête et un front d'altération hydrothermale éloigné de l'axe de la crête. Les données de flux de chaleur colocalisées de l'expérience LITHOS soutiennent la possibilité de grandes cellules hydrothermales dans une croûte océanique plus ancienne. Le LAB est entièrement imagé sur une lithosphère âgée de 2 à 75 Ma. De 2à 47 Ma, il existe des preuves d'un canal LAB découplant le manteau lithosphérique du manteau asthénosphérique avec une lithosphère de 25 km d'épaisseur à 2 Myr et de 72 km à 47 Myr. Cependant, à partir de 49-75 Myr, une seule réflexion LAB est imagée, ce qui implique une perturbation possible de la base du canal en raison de la ligne volcanique du Cameroun adjacente. Des preuves solides d'anomalie thermique du manteau proviennent du fait que le LAB est moins profond et d'une lithosphère élevée<br>Previous studies on upper oceanic crust have been limited to young lithosphere and wide-angle seismic data, which lacks resolution in the upper crust. The oceanic lithosphere-asthenosphere boundary (LAB) has been studied extensively by seismological studies, but also suffers from low vertical resolution. The TransAtlantic ILAB experiment collected multi-channel seismic reflection data over oceanic lithosphere aged 0-75 Ma formed at the slow-spreading Mid-Atlantic Ridge in the Equatorial Atlantic Ocean. Analysis of upper crust by means of seismic imaging and high-resolution tomography indicates the top of the crust (Layer 2A) is never sealed from 0-75 Ma and hydrothermal systems continue in older oceanic crust. Most of the evolution happens within the first 4 Myr, beyond which intensity of hydrothermal circulation reduces and sediment cover increases. Layer 2A/2B boundary is a lava/dyke contact at the ridge-axis and a hydrothermal alteration front away from the ridge-axis. Co-located heatflow data from the LITHOS experiment supports the possibility of large hydrothermal cells in older oceanic crust. The LAB is imaged throughout on lithosphere aged 2-75 Ma. From 2-47 Ma, there is evidence of a LAB channel decoupling the lithospheric mantle from the asthenospheric mantle with the lithosphere being 25 km thick at 2 Myr and 72 km thick at 47 Myr. However from 49-75 Myr, a single LAB reflection is imaged implying possible disruption of the base of the channel due to adjacent Cameroon Volcanic Line. Strong evidence of mantle thermal anomaly comes from the LAB being shallower and an uplifted lithosphere
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Rankenburg, Kai [Verfasser]. "Megacrysts in volcanic rocks of the Cameroon volcanic line : constraints on magma genesis and contamination / von Kai Rankenburg." 2006. http://d-nb.info/978130359/34.

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Afungang, Roland Ngwatung. "Spacio-temporal probabilistic assessment of landslide hazard along the Bamenda Mountain Region of the Cameroon volcanic line." Tese, 2015. https://repositorio-aberto.up.pt/handle/10216/79667.

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Afungang, Roland Ngwatung. "Spacio-temporal probabilistic assessment of landslide hazard along the Bamenda Mountain Region of the Cameroon volcanic line." Doctoral thesis, 2015. https://repositorio-aberto.up.pt/handle/10216/79667.

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Book chapters on the topic "Cameroon Volcanic Line (CVL)"

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Teitchou, M. I., M. Grégoire, R. Temdjim, R. T. Ghogomu, C. Ngwa, and F. T. Aka. "Mineralogical and geochemical fingerprints of mantle metasomatism beneath Nyos volcano (Cameroon volcanic line)." In Geological Society of America Special Papers. Geological Society of America, 2011. http://dx.doi.org/10.1130/2011.2478(10).

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Nama, E. E. "Modelling variables to predict landslides in the south west flank of the Cameroon volcanic line, Cameroon, West Africa." In Unsaturated Soils for Asia. CRC Press, 2020. http://dx.doi.org/10.1201/9781003078616-145.

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"Pyroclastic Rocks as Natural Fertilizer: Case Study of Volcanic Ashes from Tombel Graben (Cameroon Volcanic Line, Central Africa)." In Geotherapy. CRC Press, 2014. http://dx.doi.org/10.1201/b13788-32.

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"Rock Fertilizers as an Alternative to Conventional Fertilizers: The Use of Basalt from the Cameroon Volcanic Line for Maize Farming on Ferralitic Soils." In Geotherapy. CRC Press, 2014. http://dx.doi.org/10.1201/b13788-34.

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Conference papers on the topic "Cameroon Volcanic Line (CVL)"

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Schmidt, Christoph, Tom Richter, and Lena Bullmann. "DOES THE MORPHOMETRY OF SCORIA CONES RELATE TO THEIR AGE? RESULTS FROM THE CAMEROON VOLCANIC LINE." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-320687.

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