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A. Stefánsson · SciRah

Researcher profile · Semantic Scholar

A. Stefánsson

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A. Stefánsson — researcher profile on SciRah

h-index: 47
Works: 190
Citations: 8,064

Most-cited papers

The geochemistry of trace elements in geothermal fluids, Iceland
H. Kaasalainen, A. Stefánsson, N. Giroud, S. Arnórsson
201587 citations
Semantic Scholar
Hydrochemical Changes Before and After Earthquakes Based on Long‐Term Measurements of Multiple Parameters at Two Sites in Northern Iceland—A Review
A. Skelton, L. Liljedahl‐Claesson, Niklas Wästeby, Margareta Andrén +10 more
2019Journal of Geophysical Research - Solid Earth84 citations
Semantic Scholar
Rapid shifting of a deep magmatic source at Fagradalsfjall volcano, Iceland
S. Halldórsson, E. Marshall, A. Caracciolo, S. Matthews +26 more
2022Nature80 citations Open access
Semantic Scholar
Hydrothermal 15N15N abundances constrain the origins of mantle nitrogen
Jabrane Labidi, P. Barry, D. Bekaert, M. Broadley +13 more
2020Nature77 citations Open access
Semantic Scholar
Isotope systematics of Icelandic thermal fluids
A. Stefánsson, D. Hilton, Á. Sveinbjörnsdóttir, P. Torssander +6 more
201772 citations Open access
Semantic Scholar
Silicon isotope fractionation during silica precipitation from hot-spring waters: Evidence from the Geysir geothermal field, Iceland
S. Geilert, P. Vroon, N. Keller, S. Gudbrandsson +2 more
201569 citations Open access
Semantic Scholar
Isotope (δD, δ18O, 3H, δ13C, 14C) and chemical (B, Cl) Constrains on water origin, mixing, water-rock interaction and age of low-temperature geothermal water
A. Stefánsson, S. Arnórsson, Á. Sveinbjörnsdóttir, Jan Heinemaier +1 more
2019Applied Geochemistry58 citations
Semantic Scholar
Ground-Based measurements of the 2014-2015 holuhraun volcanic cloud (Iceland)
M. Pfeffer, B. Bergsson, S. Barsotti, G. Stefánsdóttir +29 more
201858 citations Open access
Semantic Scholar
Silicon and oxygen isotopes unravel quartz formation processes in the Icelandic crust
B. Kleine, A. Stefánsson, S. Halldórsson, M. Whitehouse +1 more
201856 citations Open access
Semantic Scholar
Origin of a divergent mtDNA lineage of a freshwater snail species, Radix balthica, in Iceland: cryptic glacial refugia or a postglacial founder event?
I. Bolotov, O. Aksenova, Yulia V. Bespalaya, M. Gofarov +5 more
2017Hydrobiologia47 citations
Semantic Scholar
Multiple sulfur isotope systematics of Icelandic geothermal fluids and the source and reactions of sulfur in volcanic geothermal systems at divergent plate boundaries
A. Stefánsson, N. Keller, J. G. Robin, S. Ono
201544 citations
Semantic Scholar
Geochemistry of thermal fluids and the genesis of granite-hosted Huangshadong geothermal system, Southeast China
Jiao Tian, A. Stefánsson, Yi-Man Li, Li-Wu Li +4 more
2023Geothermics41 citations
Semantic Scholar
Mineral dissolution in porous media: An experimental and modeling study on kinetics, porosity and surface area evolution
J. Přikryl, D. Jha, A. Stefánsson, S. Stipp
201741 citations
Semantic Scholar
Magnesium bicarbonate and carbonate interactions in aqueous solutions: An infrared spectroscopic and quantum chemical study
A. Stefánsson, K. Lemke, P. Bénézeth, J. Schott
201740 citations Open access
Semantic Scholar
Subducted lithosphere controls halogen enrichments in the Iceland mantle plume source
S. Halldórsson, J. Barnes, A. Stefánsson, D. Hilton +2 more
201640 citations
Semantic Scholar
Mantle CO 2 degassing through the Icelandic crust: Evidence from carbon isotopes in groundwater
A. Stefánsson, Á. Sveinbjörnsdóttir, J. Heinemeier, S. Arnórsson +2 more
201640 citations
Semantic Scholar
Gas chemistry of Icelandic thermal fluids
A. Stefánsson
201738 citations
Semantic Scholar
A pre-injection assessment of CO2 and H2S mineralization reactions at the Nesjavellir (Iceland) geothermal storage site
I. Galeczka, A. Stefánsson, B. Kleine, J. Gunnarsson-Robin +5 more
2022International Journal of Greenhouse Gas Control36 citations
Semantic Scholar
Major impact of volcanic gases on the chemical composition of precipitation in Iceland during the 2014–2015 Holuhraun eruption
A. Stefánsson, G. Stefánsdóttir, N. Keller, S. Barsotti +7 more
201734 citations
Semantic Scholar
Relative abundance of thiolated species of As, Mo, W, and Sb in hot springs of Yellowstone National Park and Iceland.
B. Planer-Friedrich, Judith Forberg, Regina Lohmayer, C. Kerl +3 more
2020Environmental Science and Technology33 citations
Semantic Scholar
Supercritical fluids around magmatic intrusions: IDDP-1 at Krafla, Iceland
M. Heřmanská, A. Stefánsson, S. Scott
2019Geothermics33 citations
Semantic Scholar
Iron(III) chloride complexation in hydrothermal solutions: A combined spectrophotometric and density functional theory study
A. Stefánsson, K. Lemke, T. Seward
2019Chemical Geology33 citations
Semantic Scholar
Towards ‘green’ geothermal energy: Co-mineralization of carbon and sulfur in geothermal reservoirs
C. Marieni, J. Přikryl, E. Aradóttir, I. Gunnarsson +1 more
2018International Journal of Greenhouse Gas Control33 citations Open access
Semantic Scholar
Hydrogen emissions from hydrothermal fields in Iceland and comparison with the Mid-Atlantic Ridge
Valentine Combaudon, I. Moretti, B. Kleine, A. Stefánsson
2022International journal of hydrogen energy32 citations Open access
Semantic Scholar
Fluids in Geothermal Systems
I. Chambefort, A. Stefánsson
202032 citations
Semantic Scholar
Chlorine isotope geochemistry of Icelandic thermal fluids: Implications for geothermal system behavior at divergent plate boundaries
A. Stefánsson, J. Barnes
201632 citations
Semantic Scholar
Ancient and recycled sulfur sampled by the Iceland mantle plume
E. Ranta, J. Gunnarsson-Robin, S. Halldórsson, Shuhei Ono +7 more
2022Earth and Planetary Science Letters31 citations Open access
Semantic Scholar
Equilibrium and kinetic controls on molecular hydrogen abundance and hydrogen isotope fractionation in hydrothermal fluids
A. Ricci, B. Kleine, J. Fiebig, J. Gunnarsson-Robin +3 more
2022Earth and Planetary Science Letters29 citations
Semantic Scholar
The use of noble gas isotopes to trace subsurface boiling temperatures in Icelandic geothermal systems
D. Byrne, M. Broadley, S. Halldórsson, E. Ranta +5 more
202129 citations Open access
Semantic Scholar
High temperature generation and equilibration of methane in terrestrial geothermal systems: evidence from clumped isotopologues
P. Beaudry, A. Stefánsson, J. Fiebig, Jeemin H. Rhim +1 more
202127 citations Open access
Semantic Scholar
Geochemical constraints on supercritical fluids in geothermal systems
M. Heřmanská, B. Kleine, A. Stefánsson
202027 citations
Semantic Scholar
SUSTAIN drilling at Surtsey volcano, Iceland, tracks hydrothermal and microbiological interactions in basalt 50 years after eruption
M. Jackson, M. Gudmundsson, T. Weisenberger, J. Rhodes +38 more
2019Scientific Drilling27 citations Open access
Semantic Scholar
Sulfur isotopes in Icelandic thermal fluids
J. Gunnarsson-Robin, A. Stefánsson, S. Ono, P. Torssander
201727 citations
Semantic Scholar
Chromium geochemistry and speciation in natural waters, Iceland
A. Stefánsson, I. Gunnarsson, H. Kaasalainen, S. Arnórsson
201525 citations
Semantic Scholar
Volcanic and Geothermal Redox Engines
R. Moretti, A. Stefánsson
2020Elements24 citations
Semantic Scholar
Corrosion testing of materials in simulated superheated geothermal environment
A. Thorhallsson, A. Stefánsson, Danyil Kovalov, S. Karlsdottir
202024 citations Open access
Semantic Scholar
Ultrahigh-precision noble gas isotope analyses reveal pervasive subsurface fractionation in hydrothermal systems
D. Bekaert, P. Barry, M. Broadley, D. Byrne +14 more
2023Science Advances23 citations Open access
Semantic Scholar
Determination of Fe(II), Fe(III) and Fetotal in thermal water by ion chromatography spectrophotometry (IC-Vis)
H. Kaasalainen, A. Stefánsson, G. Druschel
201623 citations
Semantic Scholar
Utilization of Geothermal Resources
S. Arnórsson, S. Thórhallsson, A. Stefánsson
201523 citations
Semantic Scholar
Chlorine isotope ratios record magmatic brine assimilation during rhyolite genesis
E. Ranta, S. Halldórsson, J. Barnes, K. Jónasson +1 more
202122 citations Open access
Semantic Scholar
H2S sequestration process and sustainability in geothermal systems
J. Přikryl, C. Marieni, S. Gudbrandsson, E. Aradóttir +2 more
201822 citations
Semantic Scholar
Quantifying mixing, boiling, degassing, oxidation and reactivity of thermal waters at Vonarskard, Iceland
A. Stefánsson, N. Keller, J. G. Robin, H. Kaasalainen +4 more
201621 citations
Semantic Scholar
Supercritical Fluid Geochemistry in Geothermal Systems
M. Heřmanská, B. Kleine, A. Stefánsson
2019Geofluids20 citations Open access
Semantic Scholar
Instrumental mass fractionation during sulfur isotope analysis by secondary ion mass spectrometry in natural and synthetic glasses
Z. Taracsák, D. Neave, P. Beaudry, J. Gunnarsson-Robin +10 more
202119 citations Open access
Semantic Scholar
Alteration of basaltic glass within the Surtsey hydrothermal system, Iceland – Implication to oceanic crust seawater interaction
Simon Prause, T. Weisenberger, B. Kleine, P. Monien +2 more
2022Journal of Volcanology and Geothermal Research18 citations
Semantic Scholar
The Surtsey volcano geothermal system: An analogue for seawater-oceanic crust interaction with implications for the elemental budget of the oceanic crust
B. Kleine, A. Stefánsson, R. Kjartansdóttir, Simon Prause +5 more
2020Chemical Geology18 citations Open access
Semantic Scholar
Geochemical and isotope constraints on the hydrogeology and geochemistry of the geothermal waters in the Shandong Peninsula, China
T. Zheng, A. Stefánsson, Fengxin Kang, Meng Shi +2 more
2023Geothermics17 citations
Semantic Scholar
Tracing olivine carbonation and serpentinization in CO2-rich fluids via magnesium exchange and isotopic fractionation
J. Přikryl, A. Stefánsson, C. Pearce
2018Geochimica et Cosmochimica Acta17 citations Open access
Semantic Scholar
Complex organic matter degradation by secondary consumers in chemolithoautotrophy-based subsurface geothermal ecosystems
Raegan Paul, T. Rogers, K. Fullerton, Matteo Selci +13 more
2023bioRxiv16 citations Open access
Semantic Scholar
Deep magma degassing and volatile fluxes through volcanic hydrothermal systems: Insights from the Askja and Kverkfjöll volcanoes, Iceland
E. Ranta, S. Halldórsson, P. Barry, S. Ono +6 more
2023Journal of Volcanology and Geothermal Research16 citations Open access
Semantic Scholar

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