ArticleNature communications2018
Gas hydrate dissociation off Svalbard induced by isostatic rebound rather than global warming.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 149 citations in OpenAlex.
- Stress-Induced Melting Controlled Failure Mechanisms of Methane Hydrate.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Antarctic seep emergence and discovery in the shallow coastal environment.Nature communications · 2025Article
- Variations in deep-sea methane seepage linked to millennial-scale changes in bottom water temperatures ~ 50-6 ka, NW Svalbard margin.Scientific reports · 2024Article
- Resolving and correcting for kinetic biases on methane seep paleotemperature using carbonate ∆Science advances · 2024Article
- Gas hydrate versus seabed morphology offshore Lebu (Chilean margin).Scientific reports · 2020Article
- Contactless probing of polycrystalline methane hydrate at pore scale suggests weaker tensile properties than thought.Nature communications · 2020Article
- A record of seafloor methane seepage across the last 150 million years.Scientific reports · 2020Article
Corrections and comments
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Authors and funding
13 authors at 7 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Methane seepage from the upper continental slopes of Western Svalbard has previously been attributed to gas hydrate dissociation induced by anthropogenic warming of ambient bottom waters. Here we show that sediment cores drilled off Prins Karls Foreland contain freshwater from dissociating hydrates. However, our modeling indicates that the observed pore water freshening began around 8 ka BP when the rate of isostatic uplift outpaced eustatic sea-level rise. The resultant local shallowing and lowering of hydrostatic pressure forced gas hydrate dissociation and dissolved chloride depletions consistent with our geochemical analysis. Hence, we propose that hydrate dissociation was triggered by postglacial isostatic rebound rather than anthropogenic warming. Furthermore, we show that methane fluxes from dissociating hydrates were considerably smaller than present methane seepage rates implying that gas hydrates were not a major source of methane to the oceans, but rather acted as a dynamic seal, regulating methane release from deep geological reservoirs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.