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Switzerland, Cameroon

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Employment (2)

University of Lausanne: Lausanne, CH

2022-09-01 to present | Postdoc (Earth Sciences)
Employment
Source: Self-asserted source
Armel zacharie Ekoa bessa

Université de Yaoundé I: Yaounde, CM

2017-11-10 to 2022-07-02 | Part Time Lecturer (Département des Sciences de la Terre)
Employment
Source: Self-asserted source
Armel zacharie Ekoa bessa

Works (50 of 53)

Items per page:
Page 1 of 2

A geochemical and palynological study of lake sediments at Mboandong, Cameroon: Chemical weathering and vegetation linked to Holocene palaeoclimate

Journal of African Earth Sciences
2025-03 | Journal article
Contributors: Armel Z. Ekoa Bessa; Keith Richards; Awo M. Egbe; Fonge B. Ambo
Source: check_circle
Crossref

Spatial Variation, Ecological Risk, and Point Sources of Environmental Trace Metals in Lacustrine Ecosystems: An Assessment of Natural and Urban Inputs

Soil and Sediment Contamination: An International Journal
2024-10-02 | Journal article
Contributors: Armel Zacharie Ekoa Bessa
Source: check_circle
Crossref

Evaluation of surface water contamination and its impacts on health in the mining districts of Kambélé and Bétaré-Oya (Eastern-Cameroon)

Heliyon
2024-04 | Journal article
Contributors: Ngoa Manga Elisabeth Sylvie; Armel Zacharie Ekoa Bessa; Rigobert-Espoir Ayissi Mbomo; Jean Victor Akono; Bachirou Dairou; Kamtchouing Pierre
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Crossref

Mineralogical and geochemical characteristics of the Nkoteng-Mbandjock alluvial clays from Sanaga valley deposits (Cameroon, Central Africa): Implications for source weathering and provenance

Heliyon
2024-04 | Journal article
Contributors: Elisé Sababa; Natanael Tehna; Beyanu Anehumbu Aye; Morine-Majolie Manfotang Chiozem; Armel Zacharie Ekoa Bessa; Ehbeudeu Kanewene; Njilah Isaac Konfor
Source: check_circle
Crossref

Dendrometrical Structure and Physicochemical Analysis of Mangrove Sediments from the Nyong River Estuary (Cameroon, Atlantic Coast)

Journal of Water Resources and Ocean Science
2024-04-29 | Journal article
Contributors: Anselme Mama; Durane Chougong; Ginette Dingong; Armel Bessa; Emmanuel Dicka; Gordon Ajonina; Jules Ndam
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Crossref

Heavy Minerals in Beach Sediments Along the Gulf of Guinea, Cameroon: Clues on Weathering Condition and Provenance

Thalassas: An International Journal of Marine Sciences
2024-03 | Journal article
Contributors: Victorine Ambassa Bela; Armel Zacharie Ekoa Bessa; John S. Armstrong-Altrin; Gabriel Ngueutchoua; Elisé Sababa
Source: check_circle
Crossref

Assessment of heavy metals and radionuclides (U and Th) contamination, and source identification of the Lékié Watershed sediments, Cameroon

Geosystems and Geoenvironment
2024-02 | Journal article
Contributors: Armel Zacharie Ekoa Bessa; Marie Ganmo Koutchouo; Elvine Paternie Edjengte Doumo; Naomie Kayitesi Manishimwe; Romeo Junior Ngnitedem Tanantsap; Jordan Garcia Tchadji Djoban; Boris Secke Bekonga Gouott; John S. Armstrong-Altrin
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Crossref

Alluvial sediments in Bol area (Lake Chad Basin): implications for source area-weathering and tectonic settings

Journal of Sedimentary Environments
2023-12 | Journal article
Contributors: Elisé Sababa; Armel Zacharie Ekoa Bessa; Beyanu Anehumbu Aye; Ahounta Shan-Bah Loubahndem; Moïse Welba
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Crossref

Assessment of heavy metal contamination in the surface sediments of the Vedaranyam coast, Southern India

Regional Studies in Marine Science
2023-12 | Journal article
Contributors: Veeramalai Gopal; Ramasamy Ramasamy Krishnamurthy; Ravichandran Vignesh; Chellamuthu Sabari Nathan; Raju Anshu; Rajaram Kalaivanan; Perumal Mohana; Nochyil Sivan Magesh; Karuppasamy Manikanda Bharath; Armel Zacharie Ekoa Bessa et al.
Source: check_circle
Crossref

Investigation of groundwater potential using geomatics and geophysical methods: Case study of the Anzi sub-basin, western Anti-Atlas, Morocco

Advances in Space Research
2023-11 | Journal article
Part of ISSN: 0273-1177
Contributors: Hasna El Ayady; Kevin L. Mickus; Said Boutaleb; Zine El Abidine El Morjani; Mustapha Ikirri; Fatima Zahra Echogdali; Armel Zacharie Ekoa Bessa; kamal Hassanein; Mouna Id-Belqas; Sara Essoussi et al.
Source: Self-asserted source
Armel zacharie Ekoa bessa

Critical evaluation of weathering indexes for paleoclimatic reconstructions: indication from recent sediments and Mesozoic sedimentary rocks from equatorial to tropical Central Africa (Cameroon and Nigeria)

Arabian Journal of Geosciences
2023-07 | Journal article
Part of ISSN: 1866-7511
Part of ISSN: 1866-7538
Contributors: Paul-Désiré Ndjigui; Armel Zacharie Ekoa Bessa; Estelle Ndome Effoudou Priso; Elisé Sababa
Source: Self-asserted source
Armel zacharie Ekoa bessa

GIN method applied to the consolidation of cracked rocks: case study of the Memve’ele hydroelectric dam (southern Cameroon)

Arabian Journal of Geosciences
2023-07 | Journal article
Part of ISSN: 1866-7511
Part of ISSN: 1866-7538
Contributors: Jean Lucien Mbe; Mbida Yem; Armel Zacharie Ekoa Bessa; Thomas Tamo Tatietse; Dieudonné Bisso; Abdelaziz Mridekh; Abdellatif Smaoui; Georges Emmanuel Ekodeck
Source: Self-asserted source
Armel zacharie Ekoa bessa

Iron–titanium sands of the Atlantic beaches between Tan-Tan and Tarfaya (southwest Morocco): Characterisation and origin

Proceedings of the Geologists' Association
2023-06 | Journal article
Contributors: M. Abioui; E.H. Abia; M. Benssaou; A.Z. Ekoa Bessa; K. Abdelrahman
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Crossref

Provenance of clastic sediments: A case study from Cameroon, Central Africa

Solid Earth Sciences
2023-06 | Journal article
Contributors: Victorine Ambassa Bela; Armel Zacharie Ekoa Bessa; John S. Armstrong-Altrin; Francis Aonsi Kamani; Estelle Diane Biami Nya; Gabriel Ngueutchoua
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Crossref

The assessment of reservoir potential of Permian to Eocene reservoirs of Minwal-Joyamair fields, upper Indus basin, Pakistan

Heliyon
2023-06 | Journal article
Contributors: Muhammad Ali Umair Latif; Muhsan Ehsan; Muhammad Ali; Abid Ali; Armel Zacharie Ekoa Bessa; Mohamed Abioui
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Crossref

Geochemistry and geostatistics for the assessment of trace elements contamination in soil and stream sediments in abandoned artisanal small-scale gold mining (Bétaré-Oya, Cameroon)

Applied Geochemistry
2023-03 | Journal article
Part of ISSN: 0883-2927
Contributors: Edjengte Doumo Elvine Paternie; Rachid Hakkou; Léopold Ekengele Nga; Lucien Dieudonné Bitom Oyono; Armel Zacharie Ekoa Bessa; Said Oubaha; Abdessamad KHALIL
Source: Self-asserted source
Armel zacharie Ekoa bessa

Petrography and geochemistry of the Sanaga river sediments, central Cameroon: Constraints on weathering, provenance, and tectonic setting

Journal of African Earth Sciences
2023-03 | Journal article
Part of ISSN: 1464-343X
Contributors: Patrice Roland Liyouck; Gabriel Ngueutchoua; John Selvamony Armstrong-Altrin; Aristide Nadine Sonfack; Yannick Steve Kontchipe Ngagoum; Armel Zacharie Ekoa Bessa; Victorine Ambassa Bela; Duviol Arcange Tsanga; Armand Sylvain Ludovic Wouatong
Source: Self-asserted source
Armel zacharie Ekoa bessa

Evaluation of provenance and weathering of beach sediments in the lower part of the Cameroonian coast

Journal of African Earth Sciences
2023-02 | Journal article
Contributors: Arcange Duviol Tsanga; Armel Zacharie Ekoa Bessa; Gabriel Ngueutchoua; Gerardine Saurelle Ngokam; Same Moutongo Jacques-David; Victorine Ambassa Bela; Annick Kwewouo Janpou; Mohamed Abioui; John S. Armstrong-Altrin
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Crossref

Mining Implication in the Geochemical Exploration of Fluvial Sediments of the East Nyambaka Volcanic Zone (Adamawa-Cameroon)

International Journal of Geosciences
2022 | Journal article
Part of ISSN: 2156-8359
Part of ISSN: 2156-8367
Contributors: Armel zacharie Ekoa bessa
Source: Self-asserted source
Armel zacharie Ekoa bessa

Distribution of trace metals and radionuclides contamination in two sections of sediments cores from the Nyong estuary, Cameroon, southern Atlantic coast

Regional Studies in Marine Science
2022-09 | Journal article
Part of ISSN: 2352-4855
Contributors: Armel zacharie Ekoa bessa
Source: Self-asserted source
Armel zacharie Ekoa bessa

Assessment of Metallic Contamination in Soils and Sediments in the Bétaré-Oya Gold Artisanal Mine District, East-Cameroon

Annual Research & Review in Biology
2022-08-04 | Journal article
Part of ISSN: 2347-565X
Contributors: Armel zacharie Ekoa bessa
Source: Self-asserted source
Armel zacharie Ekoa bessa

Petrography and geochemistry of beach sediments along the central coast of Cameroon: constraints on paleoweathering, provenance, and tectonic setting

Arabian Journal of Geosciences
2022-05 | Journal article
Contributors: Victorine Ambassa Bela; Armel Zacharie Ekoa Bessa; Gabriel Ngueutchoua; Francis Aonsi Kamani; Mohamed Abioui; Annick Kwewouo Janpou; Marshall Leonel Ngueudong Zebaze; Archange Duviol Tsanga; John S. Armstrong-Altrin
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Crossref

Rare earth elements in surface waters and sediments of the Mgoua watershed, south western Cameroon

Arabian Journal of Geosciences
2022-05 | Journal article
Contributors: Josephine Ndjama; George Mafany; Raoul Gustave Nkoue Ndondo; Biram Eric Belmond; Armel Zacharie Ekoa Bessa
Source: check_circle
Crossref

Assessment of Pollution and Identification of Sources of heavy Metals, and Radionuclides Contamination in Sand along the Southern part of the Cameroonian coast (South-West, Africa)

Earth and Planetary Science
2022-05-09 | Journal article
Part of ISSN: 2810-9732
Contributors: Armel zacharie Ekoa bessa
Source: Self-asserted source
Armel zacharie Ekoa bessa

Composition, weathering, and provenance of beach sands adjacent to volcanic rocks in the northern Gulf of Guinea, SW Cameroon

Journal of African Earth Sciences
2022-04 | Journal article
Contributors: Annick Kwewouo Janpou; Gabriel Ngueutchoua; Armel Zacharie Ekoa Bessa; John S. Armstrong-Altrin; Ulrich Romaric Kankeu Kayou; Odilia-Alexandra Njike Njome Mbella Nguetnga; Théophile Njanko; Victorine Ambassa Bela; Myriam Solange Kanouo Tiotsop; Joseph Gael Tankou
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Crossref

Heavy Metals Signature in Stream Sediments at Eséka Gold District, Central Africa: A Pre-mining Environmental Assessment

Chemistry Africa
2022-04 | Journal article
Contributors: Elisé Sababa; Armel Zacharie Ekoa Bessa
Source: check_circle
Crossref

Characteristics and Source Identification of Environmental Trace Metals in Beach Sediments Along the Littoral Zone of Cameroon

Earth Systems and Environment
2022-01 | Journal article
Contributors: Armel Zacharie Ekoa Bessa; Victorine Ambassa Bela; Gabriel Ngueutchoua; Yasser A. El‑Amier; Francis Aonsi Kamani; Leonel Ngueudong Zebaze; Christelle Aimée Kamguem Fotso; Vanisa Njimanu Njong; Franck Eitel Kemgang Ghomsi; Mohammad Valipour et al.
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Crossref

Distributions of Trace Metals and Radionuclides Contamination in Alluvial Sediments from the Lobé River in Cameroon

Earth Systems and Environment
2022-01 | Journal article
Contributors: Durane Tchatchouang Chougong; Gabriel Ngueutchoua; Emmanuel Henock Dicka; Armel Zacharie Ekoa Bessa; Gisèle Flodore Youbouni Ghepdeu; Ulrich Joël Filicien Bilounga; Rose Fouateu Yongue; Sylvie Carole Ntyam; John S. Armstrong-Altrin
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Tectono-sedimentary framework of the Cretaceous intracontinental Babouri-Figuil Basin (Benue Trough, North-Cameroon)

Arabian Journal of Geosciences
2022-01 | Journal article
Contributors: Augustin Désiré Balla Ondoa; Alexis Nyangono Abolo; Elvine Paternie Edjengte Doumo; Mohamed Abioui; Armel Zacharie Ekoa Bessa
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Crossref

Correction to: Mineralogy and geochemistry of the Ossa lake Complex sediments, Southern Cameroon: implications for paleoweathering and provenance (Arabian Journal of Geosciences, (2021), 14, 4, (322), 10.1007/s12517-021-06591-9)

Arabian Journal of Geosciences
2021 | Journal article
EID:

2-s2.0-85102781821

Part of ISSN: 18667538 18667511
Contributors: Ekoa Bessa, A.Z.; Ndjigui, P.-D.; Fuh, G.C.; Armstrong-Altrin, J.S.; Betsi, T.B.
Source: Self-asserted source
Armel zacharie Ekoa bessa via Scopus - Elsevier

Diagenetic and Geochemical Study of Sediments from the Cretaceous Basin of Babouri-Figuil (North-Cameroon)

International Journal of Geosciences
2021 | Journal article
Part of ISSN: 2156-8359
Part of ISSN: 2156-8367
Source: Self-asserted source
Armel zacharie Ekoa bessa

Geochemistry of stream sediments from Eseka area (SW Cameroon): implications for surface process assessment and precious metals (Au, Pd, and Pt) exploration

Journal of Sedimentary Environments
2021 | Journal article
Contributors: Sababa, Elise; Mbesse, Cecile Olive; Mouko, Charnelle Nelly Wandji; Bessa, Armel Zacharie Ekoa; Ndjigui, Paul-Desire
Source: check_circle
Web of Science Researcher Profile Sync

Risk assessment of trace metals in Mefou River sediments, West-Africa

Heliyon
2021-12 | Journal article
Part of ISSN: 2405-8440
Source: Self-asserted source
Armel zacharie Ekoa bessa

Evaluation of the Influence of Some Abiotic Factors on the Microbiological Quality of Groundwater in Soa Sub-division, Cameroon, Africa

Annual Research & Review in Biology
2021-12-22 | Journal article
Part of ISSN: 2347-565X
Source: Self-asserted source
Armel zacharie Ekoa bessa

Mineralogy and geochemistry of Lobé River sediments, SW Cameroon: Implications for provenance and weathering

Journal of African Earth Sciences
2021-11 | Journal article
Part of ISSN: 1464-343X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 3)‎

Mineralogy and geochemistry of Tecolutla and Coatzacoalcos beach sediments, SW Gulf of Mexico

Applied Geochemistry
2021-11 | Journal article
Part of ISSN: 0883-2927
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 3)‎

Assessment of the Heavy Metals Pollution and Ecological Risk in Sediments of Mediterranean Sea Drain Estuaries in Egypt and Phytoremediation Potential of Two Emergent Plants

Sustainability
2021-11-05 | Journal article
Contributors: Yasser A. El-Amier; Armel Zacharie Ekoa Bessa; Ashraf Elsayed; Mohamed A. El-Esawi; Mohammad S. AL-Harbi; Bassem N. Samra; Wafaa K. Kotb
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Crossref

Correlations between morphoneotectonic parameters and Precambrian tectonic structures in the Nyong Group greenstone belts: Example of the Kopongo area (NW of the Congo Craton, Southwestern Cameroon)

Journal of African Earth Sciences
2021-10 | Journal article
Part of ISSN: 1464-343X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Mineralogy and geochemistry of the Ngaoundaba Crater Lake sediments, northern Cameroon: implications for provenance and trace metals status

Acta Geochimica
2021-10 | Journal article
Contributors: Armel Zacharie Ekoa Bessa; John S. Armstrong-Altrin; Gentry Calistus Fuh; Thierry Bineli Betsi; Tebogo Kelepile; Paul-Désiré Ndjigui
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Crossref
grade
Preferred source (of 2)‎

Heavy metal contamination and its ecological risks in the beach sediments along the Atlantic Ocean (Limbe coastal fringes, Cameroon)

Earth Systems and Environment
2021-06-16 | Journal article
Contributors: Armel Zacharie Ekoa Bessa; Gabriel Ngueutchoua; Annick Kwewouo Janpou; Yasser A. El-Amier; Odilia-Alexandra Njike Njome Mbella Nguetnga; Ulrich Romaric Kankeu Kayou; Salomon Bertrant Bisse; Elise Colette Ngo Mapuna; John S. Armstrong-Altrin
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Heavy Metal Contamination and Ecological Risk Assessment of Overlying Water and Sediments of Nkozoa Lake (Southern Cameroon)

Annual Research & Review in Biology
2021-05-01 | Journal article
Part of ISSN: 2347-565X
Source: Self-asserted source
Armel zacharie Ekoa bessa

Mineralogy and geochemistry of the Ossa lake Complex sediments, Southern Cameroon: implications for paleoweathering and provenance

Arabian Journal of Geosciences
2021-02 | Journal article
Part of ISSN: 1866-7511
Part of ISSN: 1866-7538
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Palynology and palynofacies analyses in the Douala sub-basin: Implications on palaeoenvironment evolution of the Souellaba Formation/ west Cameroon.

Journal of African Earth Sciences
2020-12 | Journal article
Part of ISSN: 1464-343X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Provenance and weathering conditions of the Moloundou swamp sediments, southeast Cameroon: Evidence from mineralogy and geochemistry

Solid Earth Sciences
2020-09 | Journal article
Part of ISSN: 2451-912X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 3)‎

Mine Waste and Heavy Metal Pollution in Betare-Oya Mining Area (Eastern Cameroon)

Environmental and Earth Sciences Research Journal
2019-12-30 | Journal article
Part of ISSN: 2369-5668
Part of ISSN: 2369-5676
Source: Self-asserted source
Armel zacharie Ekoa bessa

Mineralogical and geochemical characterization of the unconsolidated sands from the Mefou River terrace, Yaoundé area, Southern Cameroon

Journal of African Earth Sciences
2019-11 | Journal article
Part of ISSN: 1464-343X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Contamination and risk assessment of heavy metals, and uranium of sediments in two watersheds in Abiete-Toko gold district, Southern Cameroon

Heliyon
2019-10 | Journal article
Part of ISSN: 2405-8440
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Provenance and depositional history of Mesozoic sediments from the Mamfe basin and Douala sub-basin (SW Cameroon) unraveled by geochemical analysis

Journal of African Earth Sciences
2019-10 | Journal article
Contributors: Gabriel Ngueutchoua; John Takem Eyong; Armel Zacharie Ekoa Bessa; Zita Bih Azanji Agheenwi; Alain Emane Maschouer; Christel Sobdjou Kemteu; Yannick Lontchi Dzoti; Touda Hamadou; Bibiche-Mabel Ongbassouek Baboule; Gatien Romuald Kenfack Nguemo
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Crossref
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Geochemistry of cretaceous fine-grained siliciclastic rocks from Upper Mundeck and Logbadjeck Formations, Douala sub-basin, SW Cameroon: Implications for weathering intensity, provenance, paleoclimate, redox condition, and tectonic setting

Journal of African Earth Sciences
2019-04 | Journal article
Part of ISSN: 1464-343X
Source: Self-asserted source
Armel zacharie Ekoa bessa
grade
Preferred source (of 2)‎

Geochemical characteristics of shales in the Mamfe Basin, South West Cameroon: Implication for depositional environments and oxidation conditions

Journal of African Earth Sciences
2019-01 | Journal article
Contributors: Bokanda Ekoko Eric; Fralick Philip; Ekomane Emile; Njilah Isaac Konfor; Bisse Salomon Betrant; Akono Daniel Florent; Ekoa Bessa Armel Zacharie
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Crossref
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Items per page:
Page 1 of 2

Peer review (18 reviews for 10 publications/grants)

Review activity for Arabian journal of geosciences. (7)
Review activity for Chemistry Africa. (1)
Review activity for Chemistry Africa. (1)
Review activity for Earth systems and environment. (1)
Review activity for Environmental pollution (2)
Review activity for Journal of African earth sciences. (1)
Review activity for Marine and petroleum geology. (1)
Review activity for Minerals. (1)
Review activity for Proceedings of the Indian Academy of Sciences. Earth and planetary sciences. (1)
Review activity for Regional studies in marine science. (2)