Research output per year
Research output per year
Personal profile
Fields of Science
- 1171 Geosciences
- 1172 Environmental sciences
International and National Collaboration
Publications and projects within past five years.
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Role of sedimentary sulfates in the genesis of massive Ni-Cu-PGE deposits-constraints from the Sakatti Cu-Ni-PGE deposit, Northern Finland
Höytiä, H. M. A., Peltonen, P. T., Halkoaho, T., Karhu, J. & Lamberg, P., 7 Mar 2024. 1 p.Research output: Conference materials › Abstract
Open Access -
Isotopic signatures of precent-day calcite and pyrite in low-temperature crystalline bedrock, Olkiluoto, SW Finland
Seitsamo-Ryynanen, M., Karhu, J. A., Pitkänen, P. & Whitehouse, M., Jun 2022, In: Applied Geochemistry. 141, 11 p., 105308.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Reply to comment on "Bekker, A., Krape.z, B., Karhu, JA, 2020. Correlation of the stratigraphic cover of the Pilbara and Kaapvaal cratons recording the lead up to Paleoproterozoic Icehouse and the GOE. Earth-Science Reviews, 211, 103,389" by Pascal Philippot, Bryan A. Killingsworth, Jean-Louis Paquette, Svetlana Tessalina, Pierre Cartigny, Stefan V. Lalonde, Christophe Thomazo, Janaina N. Avila, Vincent Busigny
Bekker, A., Krapez, B., Karhu, J. A. & Chamberlain, K., Jul 2021, In: Earth - Science Reviews. 218, 11 p., 103607.Research output: Contribution to journal › Comment/debate › Scientific
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The Paleoproterozoic Francevillian succession of Gabon and the Lomagundi-Jatuli event
Bekker, A., Albani, A. E., Hofmann, A., Karhu, J., Kump, L., Ossa, F. O. & Planavsky, N., 2021, In: Geology. 49, 7, p. 527 1 p.Research output: Contribution to journal › Comment/debate › Scientific
Open AccessFile -
Carbon Isotopes in the Solar System
Karhu, J. A. & Bekker, A., 2020, Encyclopedia of Astrobiology: Living Edition. Gargaud, M., Irvine, W. M., Amils, R., Cleaves, H. J., Pinti, D., Quintanilla, J. C. & Viso, M. (eds.). Berlin, Heidelberg: SpringerResearch output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia / dictionary › Scientific › peer-review
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Pintavesi-pohjavesi-vuorovaikutus Vantaanjoen vesistön alueella
Korkka-Niemi, K. (Participant), Salonen, V.-P. (Participant), Karhu, J. (Participant), Rautio, A. B. K. (Participant), Pellikka, P. (Participant), Kivimäki, A.-L. (Participant), Lahti, K. (Participant) & Nygård, M. (Participant)
01/03/2010 → …
Project: Research project
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Groundwater Surface water interaction at Lake Pyhäjärvi
Korkka-Niemi, K. (Principal Investigator), Rautio, A. B. K. (Participant), Wiebe, A. (Participant), Rudolph, D. (Participant), Conant, B. (Participant), Isola, O. (Participant), Tarvainen, M. (Participant), Ventelä, A.-M. (Participant), Kirkkala, T. (Participant) & Karhu, J. (Participant)
04/01/2010 → …
Project: Research project
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Stable isotopes in reconstructing the ancient human diets
Oinonen, M. (Principal Investigator), Karhu, J. (Principal Investigator) & Lavento, M. (Principal Investigator)
01/01/2010 → …
Project: Research project
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Kaivoon sijoitetun kalkkikivirouheen soveltuvuus veden alkalointiin pienkaivoissa
Korkka-Niemi, K. (Project manager), Karhu, J. (Participant), Britschgi, R. (Participant), Vienonen, S. (Participant), Lapinlampi, T. (Participant), Juvonen, J. (Participant), Valve, M. (Participant), Virtanen, P. (Participant), Piispanen, M. (Participant) & Santala, E. (Participant)
25/10/2010 → 31/12/2014
Project: Research project
Activities
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EKKA (ESTONIAN QUALITY AGENCY FOR HIGHER AND VOCATIONAL EDUCATION (External organisation)
Karhu, J. (Board member)
1 May 2018 → 8 May 2018Activity: Membership types › Membership or other role in review committee
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Helsingin yliopiston opettajien ja tutkijoiden UPJ arviointiryhmä (External organisation)
Karhu, J. (Board member)
1 Jan 2018 → 31 Dec 2018Activity: Membership types › Membership or other role in national/international committee, council, board
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Suomen Kansallinen Geologian Komitea, stratigrafiatyöryhmä (External organisation)
Karhu, J. (Board member)
1 Jan 2018 → 31 Dec 2018Activity: Membership types › Membership or other role in national/international committee, council, board
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U California, Riverside, Dept Earth Sciences
Karhu, J. (Visiting researcher)
1 Sept 2018 → 31 May 2019Activity: Visiting an external institution types › Academic visit to other institution
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Suomen Kansallinen Geologian Komitea, Portaaliohjausryhmä (External organisation)
Karhu, J. (Board member)
1 Jan 2018 → 31 Dec 2018Activity: Membership types › Membership or other role in national/international committee, council, board
Press/Media
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Yle Radio1, Tiedeykkönen (Leena Mattila): Kivettynyt meri
20/06/2014
1 Media contribution
Press/Media: Press / Media