Cited by 59Astro and Planetary ScienceGeological and Geochemical AnalysisEarth Systems and Cosmic Evolution

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

The fate of Earth’s ocean

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Bounama, C., Franck, S., von Bloh, W.·2001·Hydrology and Earth System Sciences

Abstract

Abstract. Questions of how water arrived on the Earth’s surface, how much water is contained in the Earth system as a whole, and how much water will be available in the future in the surface reservoirs are of central importance to our understanding of the Earth. To answer the question about the fate of the Earth’s ocean, one has to study the global water cycle under conditions of internal and external forcing processes. Modern estimates suggest that the transport of water to the surface is five times smaller than water movement to the mantle, so that the Earth will lose all its sea-water in one billion years from now. This straightforward extrapolation of subduction-zone fluxes into the future seems doubtful. Using a geophysical modelling approach it was found that only 27% of the modern ocean will be subducted in one billion years. Internal feedbacks will not be the cause of the ocean drying out. Instead, the drying up of surface reservoirs in the future will be due to the increase in temperature caused by a maturing Sun connected to hydrogen escape to outer space. Keywords: Surface water reservoir, water fluxes, regassing, degassing, global water cycle

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Crossref · 10.5194/hess-5-569-2001

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  • Half that volume has since been lost by subduction and photodissociation.

    “Half that volume has since been lost by subduction of serpentinized and otherwise hydrated crust to the now relatively wet mantle, and to photodissociation (Bounama et al. 2001;Elkins-Tanton 2008;Genda 2016).”

    From The Emergence of Life (2019) · cites this paper as Bounama et al. 2001

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Metadata

Authors
Bounama, C., Franck, S., & von Bloh, W.
Affiliations
Potsdam Institute for Climate Impact Research (DE)
Corresponding author
  • Bounama, C.
  • Franck, S.
Venue
Hydrology and Earth System Sciences
Published
2001-12-31
Volume
5
Issue
4
Pages
569-576
ISSN
  • 1027-5606 (ISSN-L)
  • 1607-7938
OpenAlex
W2165118215
Cited by
59
References
1
Citations by year
2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 3 · 2019: 3 · 2018: 3 · 2017: 3 · 2016: 3 · 2015: 4 · 2014: 1 · 2013: 4 · 2012: 5
FWCI
1.22
Type
journal article
Language
en
Open access
Locations
  • Hydrology and earth system sciences (publishedVersion, cc-by)
  • HAL (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Publication Database PIK (Potsdam Institute for Climate Impact Research (PIK)) (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geological and Geochemical Analysis
  • Physical Sciences › Environmental Science › Global and Planetary Change › Earth Systems and Cosmic Evolution
Keywords
global water cycle, water flux, mantle water, surface water reservoirs, hydrogen escape, degassing, Earth system modeling

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