Isotope composition and volume of Earth´s early oceans

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Isotope composition and volume of Earth´s early oceans. / Pope, Emily Catherine; Bird, Dennis K.; Rosing, Minik Thorleif.

In: Proceedings of the National Academy of Science of the United States of America, Vol. 109, No. 12, 2012, p. 4371-4376.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Pope, EC, Bird, DK & Rosing, MT 2012, 'Isotope composition and volume of Earth´s early oceans', Proceedings of the National Academy of Science of the United States of America, vol. 109, no. 12, pp. 4371-4376. https://doi.org/10.1073/pnas.1115705109

APA

Pope, E. C., Bird, D. K., & Rosing, M. T. (2012). Isotope composition and volume of Earth´s early oceans. Proceedings of the National Academy of Science of the United States of America, 109(12), 4371-4376. https://doi.org/10.1073/pnas.1115705109

Vancouver

Pope EC, Bird DK, Rosing MT. Isotope composition and volume of Earth´s early oceans. Proceedings of the National Academy of Science of the United States of America. 2012;109(12):4371-4376. https://doi.org/10.1073/pnas.1115705109

Author

Pope, Emily Catherine ; Bird, Dennis K. ; Rosing, Minik Thorleif. / Isotope composition and volume of Earth´s early oceans. In: Proceedings of the National Academy of Science of the United States of America. 2012 ; Vol. 109, No. 12. pp. 4371-4376.

Bibtex

@article{8c43e54ce8ea47f3ace6be5ae61f1609,
title = "Isotope composition and volume of Earth´s early oceans",
abstract = "Oxygen and hydrogen isotope compositions of Earth´s seawater are controlled by volatile fluxes among mantle, lithospheric (oceanic and continental crust), and atmospheric reservoirs. Throughout geologic time the oxygen mass budget was likely conserved within these Earth system reservoirs, but hydrogen´s was not, as it can escape to space. Isotopic properties of serpentine from the approximately 3.8 Ga Isua Supracrustal Belt in West Greenland are used to characterize hydrogen and oxygen isotope compositions of ancient seawater. Archaean oceans were depleted in deuterium [expressed as {\^I}´D relative to Vienna standard mean ocean water (VSMOW)] by at most 25± 5‰, but oxygen isotope ratios were comparable to modern oceans. Mass balance of the global hydrogen budget constrains the contribution of continental growth and planetary hydrogen loss to the secular evolution of hydrogen isotope ratios in Earth´s oceans. Our calculations predict that the oceans of early Earth were up to 26% more voluminous, and atmospheric CH4 and CO2 concentrations determined from limits on hydrogen escape to space are consistent with clement conditions on Archaean Earth.",
author = "Pope, {Emily Catherine} and Bird, {Dennis K.} and Rosing, {Minik Thorleif}",
year = "2012",
doi = "10.1073/pnas.1115705109",
language = "English",
volume = "109",
pages = "4371--4376",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "The National Academy of Sciences of the United States of America",
number = "12",

}

RIS

TY - JOUR

T1 - Isotope composition and volume of Earth´s early oceans

AU - Pope, Emily Catherine

AU - Bird, Dennis K.

AU - Rosing, Minik Thorleif

PY - 2012

Y1 - 2012

N2 - Oxygen and hydrogen isotope compositions of Earth´s seawater are controlled by volatile fluxes among mantle, lithospheric (oceanic and continental crust), and atmospheric reservoirs. Throughout geologic time the oxygen mass budget was likely conserved within these Earth system reservoirs, but hydrogen´s was not, as it can escape to space. Isotopic properties of serpentine from the approximately 3.8 Ga Isua Supracrustal Belt in West Greenland are used to characterize hydrogen and oxygen isotope compositions of ancient seawater. Archaean oceans were depleted in deuterium [expressed as δD relative to Vienna standard mean ocean water (VSMOW)] by at most 25± 5‰, but oxygen isotope ratios were comparable to modern oceans. Mass balance of the global hydrogen budget constrains the contribution of continental growth and planetary hydrogen loss to the secular evolution of hydrogen isotope ratios in Earth´s oceans. Our calculations predict that the oceans of early Earth were up to 26% more voluminous, and atmospheric CH4 and CO2 concentrations determined from limits on hydrogen escape to space are consistent with clement conditions on Archaean Earth.

AB - Oxygen and hydrogen isotope compositions of Earth´s seawater are controlled by volatile fluxes among mantle, lithospheric (oceanic and continental crust), and atmospheric reservoirs. Throughout geologic time the oxygen mass budget was likely conserved within these Earth system reservoirs, but hydrogen´s was not, as it can escape to space. Isotopic properties of serpentine from the approximately 3.8 Ga Isua Supracrustal Belt in West Greenland are used to characterize hydrogen and oxygen isotope compositions of ancient seawater. Archaean oceans were depleted in deuterium [expressed as δD relative to Vienna standard mean ocean water (VSMOW)] by at most 25± 5‰, but oxygen isotope ratios were comparable to modern oceans. Mass balance of the global hydrogen budget constrains the contribution of continental growth and planetary hydrogen loss to the secular evolution of hydrogen isotope ratios in Earth´s oceans. Our calculations predict that the oceans of early Earth were up to 26% more voluminous, and atmospheric CH4 and CO2 concentrations determined from limits on hydrogen escape to space are consistent with clement conditions on Archaean Earth.

U2 - 10.1073/pnas.1115705109

DO - 10.1073/pnas.1115705109

M3 - Journal article

C2 - 22392985

VL - 109

SP - 4371

EP - 4376

JO - Proceedings of the National Academy of Sciences of the United States of America

JF - Proceedings of the National Academy of Sciences of the United States of America

SN - 0027-8424

IS - 12

ER -

ID: 49425997