Member Since 1990
Barbara Sherwood Lollar
Professor, University of Toronto
AGU Research
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Quantifying Uncertainty in Sustainable Biomass and Production of Biotic Carbon in Enceladus' Notional Methanogenic Biosphere
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
21 march 2024
Peter M. Higgins, Weibin Chen, Christopher Glein, ...

Beneath Enceladus' ice crust lies an ocean which might host habitable conditions. Here, the scale and productivity of a notional Enceladean methano...

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Uncertainty in Habitability and Sustainable Biomass for a Hypothetical Methanogenic Biosphere on Enceladus
ENCELADUS: FROM INNER WORKINGS TO THE POTENTIAL FOR LIFE IV ORAL
planetary sciences | 15 december 2023
Peter M. Higgins, Weibin Chen, Christopher R. Glei...
Beneath Enceladus icy shell lies a water ocean which might host habitable conditions. However, quantitatively assessing its habitability, potential bi...
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The Expanse of Habitability: Earth Analog Discoveries Drive New Conceptual Models of How to Build a Habitable Planet
CARL SAGAN LECTURE
planetary sciences | 11 december 2023
Barbara Sherwood Lollar
Humanity continues to dream of life beyond Earth. In popular culture, the encounters with alien planets and lifeforms are what open our eyes to life t...
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Mineral/Carbon Coevolution: A Driver Of Hydrothermal Carbon Fluxes Through Time And Space?
CHAPMAN CONFERENCE ON HYDROTHERMAL CIRCULATION AND SEAWATER CHEMISTRY
general program | 19 may 2023
Benedicte Menez, Muriel Andreani, Baptiste Debret,...
Hydrothermal carbon fluxes through space and time are strongly dependent on its speciation and are thus intimately linked to the abiotic production of...
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Noble gas tracers as proxy to deep subsurface energy production and residence times
THE BOTTOM OF THE HYDROLOGIC CYCLE
hydrology | 13 december 2022
Ruta Karolyte, Oliver Warr, Barbara Sherwood Lolla...
Natural radioactive decay, combined with radiolysis of water and nuclear/physical/chemical interactions afforded by solvated electrons and radicals, d...
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Influence of Alpha Particle Radiolysis on the Formation and Microbial Metabolic Composition of a Deep Subsurface Hypersaline Brine in the Witwatersrand Basin, South Africa
GEOMICROBIOLOGY OF THE DEEP BIOSPHERE I ORAL
biogeosciences | 17 december 2021
Devan Nisson, Thomas L. Kieft, Julio C. Hernandez,...
Radiolytic production of H2 is predicted to support subsurface chemolithotrophic communities in long-isolated radioactive subsurface settings, possibl...
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Exploring functional diversity and metabolic capabilities of microbial communities across the continental and marine subsurface
GEOMICROBIOLOGY OF THE DEEP BIOSPHERE III POSTER
biogeosciences | 17 december 2021
Brandi Kiel Reese, Megan Mullis, Jerome P. Payet, ...
Microorganismsrecycle and transform elementsin subsurface environments; however, the diversity of metabolisms and prevalence of specific energy-conser...
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The role of porosity in H2 production in fracture fluids from the Witwatersrand Basin, South Africa
SUBSURFACE STORAGE OF NATURAL GAS, CO<SUB>2</SUB>, AND HYDROGEN: KEY LEARNINGS AND FUTURE OPPORTUNITIES I ORAL
science and society | 15 december 2021
Ruta Karolyte, Oliver Warr, Esta van Heerden, Step...
Saline fracture fluids in Precambrian crystalline rocks, rich in hydrogen, nitrogen, helium and hydrocarbons, have been shown to host diverse microbia...
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