High reactivity of deep biota under anthropogenic CO2 injection into basalt

Rosalia Trias; Bénédicte Ménez; Paul Le Campion; Yvan Zivanovic; Léna Lecourt; Aurélien Lecoeuvre; Philippe Schmitt-Kopplin; Jenny Uhl; Sigurour R. Gislason; Helgi A. Alfreosson; Kiflom G. Mesfin; Sandra O. Snæbjörnsdóttir; Edda S. Aradóttir; Ingvi Gunnarsson; Juerg M. Matter; Martin Stute; Eric H. Oelkers; Emmanuelle Gérard

doi:10.1038/s41467-017-01288-8

High reactivity of deep biota under anthropogenic CO₂ injection into basalt

Rosalia Trias, Bénédicte Ménez, Paul Le Campion, Yvan Zivanovic, Léna Lecourt, Aurélien Lecoeuvre, Philippe Schmitt-Kopplin, Jenny Uhl, Sigurour R. Gislason, Helgi A. Alfreosson, Kiflom G. Mesfin, Sandra O. Snæbjörnsdóttir, Edda S. Aradóttir, Ingvi Gunnarsson, Juerg M. Matter, Martin Stute, Eric H. Oelkers, Emmanuelle Gérard

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65 Scopus citations

Abstract

Basalts are recognized as one of the major habitats on Earth, harboring diverse and active microbial populations. Inconsistently, this living component is rarely considered in engineering operations carried out in these environments. This includes carbon capture and storage (CCS) technologies that seek to offset anthropogenic CO₂ emissions into the atmosphere by burying this greenhouse gas in the subsurface. Here, we show that deep ecosystems respond quickly to field operations associated with CO₂ injections based on a microbiological survey of a basaltic CCS site. Acidic CO₂-charged groundwater results in a marked decrease (by ∼ 2.5-4) in microbial richness despite observable blooms of lithoautotrophic iron-oxidizing Betaproteobacteria and degraders of aromatic compounds, which hence impact the aquifer redox state and the carbon fate. Host-basalt dissolution releases nutrients and energy sources, which sustain the growth of autotrophic and heterotrophic species whose activities may have consequences on mineral storage.

Original language	English
Article number	1063
Journal	Nature Communications
Volume	8
Issue number	1
DOIs	https://doi.org/10.1038/s41467-017-01288-8
State	Published - 1 Dec 2017
Externally published	Yes

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Trias, R., Ménez, B., Le Campion, P., Zivanovic, Y., Lecourt, L., Lecoeuvre, A., Schmitt-Kopplin, P., Uhl, J., Gislason, S. R., Alfreosson, H. A., Mesfin, K. G., Snæbjörnsdóttir, S. O., Aradóttir, E. S., Gunnarsson, I., Matter, J. M., Stute, M., Oelkers, E. H., & Gérard, E. (2017). High reactivity of deep biota under anthropogenic CO₂ injection into basalt. Nature Communications, 8(1), Article 1063. https://doi.org/10.1038/s41467-017-01288-8

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abstract = "Basalts are recognized as one of the major habitats on Earth, harboring diverse and active microbial populations. Inconsistently, this living component is rarely considered in engineering operations carried out in these environments. This includes carbon capture and storage (CCS) technologies that seek to offset anthropogenic CO2 emissions into the atmosphere by burying this greenhouse gas in the subsurface. Here, we show that deep ecosystems respond quickly to field operations associated with CO2 injections based on a microbiological survey of a basaltic CCS site. Acidic CO2-charged groundwater results in a marked decrease (by ∼ 2.5-4) in microbial richness despite observable blooms of lithoautotrophic iron-oxidizing Betaproteobacteria and degraders of aromatic compounds, which hence impact the aquifer redox state and the carbon fate. Host-basalt dissolution releases nutrients and energy sources, which sustain the growth of autotrophic and heterotrophic species whose activities may have consequences on mineral storage.",

author = "Rosalia Trias and B{\'e}n{\'e}dicte M{\'e}nez and {Le Campion}, Paul and Yvan Zivanovic and L{\'e}na Lecourt and Aur{\'e}lien Lecoeuvre and Philippe Schmitt-Kopplin and Jenny Uhl and Gislason, {Sigurour R.} and Alfreosson, {Helgi A.} and Mesfin, {Kiflom G.} and Sn{\ae}bj{\"o}rnsd{\'o}ttir, {Sandra O.} and Arad{\'o}ttir, {Edda S.} and Ingvi Gunnarsson and Matter, {Juerg M.} and Martin Stute and Oelkers, {Eric H.} and Emmanuelle G{\'e}rard",

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Trias, R, Ménez, B, Le Campion, P, Zivanovic, Y, Lecourt, L, Lecoeuvre, A, Schmitt-Kopplin, P, Uhl, J, Gislason, SR, Alfreosson, HA, Mesfin, KG, Snæbjörnsdóttir, SO, Aradóttir, ES, Gunnarsson, I, Matter, JM, Stute, M, Oelkers, EH & Gérard, E 2017, 'High reactivity of deep biota under anthropogenic CO₂ injection into basalt', Nature Communications, vol. 8, no. 1, 1063. https://doi.org/10.1038/s41467-017-01288-8

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AU - Trias, Rosalia

AU - Ménez, Bénédicte

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AU - Lecourt, Léna

AU - Lecoeuvre, Aurélien

AU - Schmitt-Kopplin, Philippe

AU - Uhl, Jenny

AU - Gislason, Sigurour R.

AU - Alfreosson, Helgi A.

AU - Mesfin, Kiflom G.

AU - Snæbjörnsdóttir, Sandra O.

AU - Aradóttir, Edda S.

AU - Gunnarsson, Ingvi

AU - Matter, Juerg M.

AU - Stute, Martin

AU - Oelkers, Eric H.

AU - Gérard, Emmanuelle

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N2 - Basalts are recognized as one of the major habitats on Earth, harboring diverse and active microbial populations. Inconsistently, this living component is rarely considered in engineering operations carried out in these environments. This includes carbon capture and storage (CCS) technologies that seek to offset anthropogenic CO2 emissions into the atmosphere by burying this greenhouse gas in the subsurface. Here, we show that deep ecosystems respond quickly to field operations associated with CO2 injections based on a microbiological survey of a basaltic CCS site. Acidic CO2-charged groundwater results in a marked decrease (by ∼ 2.5-4) in microbial richness despite observable blooms of lithoautotrophic iron-oxidizing Betaproteobacteria and degraders of aromatic compounds, which hence impact the aquifer redox state and the carbon fate. Host-basalt dissolution releases nutrients and energy sources, which sustain the growth of autotrophic and heterotrophic species whose activities may have consequences on mineral storage.

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High reactivity of deep biota under anthropogenic CO₂ injection into basalt

Abstract

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