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Riikka Kietäväinen
Observed names:
Kietäväinen, Riikka,
R. Kietäväinen
Institution:
University of Helsinki
Observed institutions:
United States Geological Survey,
Geological Survey of Finland,
University of Helsinki,
University of Eastern Finland,
Massachusetts Institute of Technology,
VTT Technical Research Centre of Finland
show all 6
ORCID:
0000-0002-4867-777X
Observed ORCID:
0000-0002-4867-777X
OpenAlex ID:
A5077243265
The origin, source, and cycling of methane in deep crystalline rock biosphere
2015
·
Riikka Kietäväinen
, Lotta Purkamo
·
Frontiers in Microbiology
·
100
PDF
Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids
2016
·
Lotta Purkamo
, Malin Bomberg
, et al.
·
Biogeosciences
·
90
PDF
Dissecting the deep biosphere: retrieving authentic microbial communities from packer-isolated deep crystalline bedrock fracture zones
2013
·
Lotta Purkamo
, Malin Bomberg
, et al.
·
FEMS Microbiology Ecology
·
64
PDF
Ultradeep Microbial Communities at 4.4 km within Crystalline Bedrock: Implications for Habitability in a Planetary Context
2020
·
Lotta Purkamo
, Riikka Kietäväinen
, et al.
·
Life
·
62
PDF
Characterisation and isotopic evolution of saline waters of the Outokumpu Deep Drill Hole, Finland – Implications for water origin and deep terrestrial biosphere
2012
·
Riikka Kietäväinen
, Lasse Ahonen
, et al.
·
Applied Geochemistry
·
59
Microbiome composition and geochemical characteristics of deep subsurface high-pressure environment, Pyhäsalmi mine Finland
2015
·
Hanna Miettinen
, Riikka Kietäväinen
, et al.
·
Frontiers in Microbiology
·
56
PDF
Noble gas residence times of saline waters within crystalline bedrock, Outokumpu Deep Drill Hole, Finland
2014
·
Riikka Kietäväinen
, Lasse Ahonen
, et al.
·
Geochimica et Cosmochimica Acta
·
51
Abiotic and biotic controls on methane formation down to 2.5 km depth within the Precambrian Fennoscandian Shield
2016
·
Riikka Kietäväinen
, Lasse Ahonen
, et al.
·
Geochimica et Cosmochimica Acta
·
46
Rapid Reactivation of Deep Subsurface Microbes in the Presence of C-1 Compounds
2015
·
Pauliina Rajala
, Malin Bomberg
, et al.
·
Microorganisms
·
39
PDF
Diversity and functionality of archaeal, bacterial and fungal communities in deep Archaean bedrock groundwater
2018
·
Lotta Purkamo
, Riikka Kietäväinen
, et al.
·
FEMS Microbiology Ecology
·
33
PDF
Epilithic Microbial Community Functionality in Deep Oligotrophic Continental Bedrock
2022
·
Maija Nuppunen-Puputti
, Riikka Kietäväinen
, et al.
·
Frontiers in Microbiology
·
27
Rock Surface Fungi in Deep Continental Biosphere—Exploration of Microbial Community Formation with Subsurface In Situ Biofilm Trap
2020
·
Maija Nuppunen-Puputti
, Riikka Kietäväinen
, et al.
·
Microorganisms
·
27
PDF
Hydrogeological characteristics of the Outokumpu Deep Drill Hole
2011
·
L. Ahonen
, Riikka Kietäväinen
, et al.
·
23
Svecofennian post-collisional shoshonitic lamprophyres at the margin of the Karelia Craton: Implications for mantle metasomatism
2014
·
Jeremy Woodard
, Riikka Kietäväinen
, et al.
·
Lithos
·
21
Rare Biosphere Archaea Assimilate Acetate in Precambrian Terrestrial Subsurface at 2.2 km Depth
2018
·
Maija Nuppunen-Puputti
, Lotta Purkamo
, et al.
·
Geosciences
·
20
PDF
Candidatus Desulforudis audaxviator dominates a 975 m deep groundwater community in central Sweden
2024
·
George Westmeijer
, Femke van Dam
, et al.
·
Communications Biology
·
16
PDF
CO2 and carbonate as substrate for the activation of the microbial community in 180 m deep bedrock fracture fluid of Outokumpu Deep Drill Hole, Finland
2017
·
Malin Bomberg
, Mari Raulio
, et al.
·
AIMS Microbiology
·
14
PDF
Microbial metabolic potential in deep crystalline bedrock
2020
·
Malin Bomberg
, Hanna Miettinen
, et al.
·
Elsevier eBooks
·
12
Deep Groundwater Evolution at Outokumpu, Eastern Finland : From Meteoric Water to Saline Gas-Rich Fluid
2017
·
Riikka Kietäväinen
·
Työväentutkimus Vuosikirja
·
11
Naturally occurring volatile organic compounds in deep bedrock groundwater
2025
·
Riikka Kietäväinen
, Mari Nyyssönen
, et al.
·
Communications Earth & Environment
·
10
PDF
Microbial methanogenesis fueled by freshwater infiltration and oil biodegradation in the Siljan impact structure, Sweden
2025
·
Femke van Dam
, Riikka Kietäväinen
, et al.
·
Discover Applied Sciences
·
6
PDF
Implications of a short carbon pulse on biofilm formation on mica schist in microcosms with deep crystalline bedrock groundwater
2023
·
Maija Nuppunen-Puputti
, Riikka Kietäväinen
, et al.
·
Frontiers in Microbiology
·
3
PDF
Dissolved Microbial Methane in the Deep Crystalline Crust Fluids–Current Knowledge and Future Prospects
2022
·
Femke van Dam
, Riikka Kietäväinen
, et al.
·
Geofluids
·
2
PDF
Active methylotrophic methanogenesis by a microbial consortium enriched from a terrestrial meteorite impact crater
2025
·
Femke van Dam
, George Westmeijer
, et al.
·
mBio
·
1
Episodic records of deep microbial methanogenesis throughout the Caledonian mountain range exhumation
2026
·
Femke van Dam
, Riikka Kietäväinen
, et al.
·
Communications Earth & Environment
PDF
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Works count:
47
Citation count:
794
H-index:
16
I10-index:
20
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