Blar i forfatter "Haeckel, Matthias"

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    • Effects of a deep-sea mining experiment on seafloor microbial communities and functions after 26 years 

      Vonnahme, Tobias R.; Molari, Massimiliano; Janssen, Felix; Wenzhöfer, Frank; Haeckel, Matthias; Titschak, Juergen; Boetius, Antje (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-04-29)
      Future supplies of rare minerals for global industries with high-tech products may depend on deep-sea mining. However, environmental standards for seafloor integrity and recovery from environmental impacts are missing. We revisited the only midsize deep-sea disturbance and recolonization experiment carried out in 1989 in the Peru Basin nodule field to compare habitat integrity, remineralization ...

    • Effects of climate change on methane emissions from seafloor sediments in the Arctic Ocean: A review 

      James, Rachel; Bousquet, Philippe; Bussmann, Ingeborg; Haeckel, Matthias; Kipfer, Rolf; Leifer, Ira; Niemann, Helge; Ostrovsky, Ilia; Piskozub, Jacek; Rehder, Gregor; Treude, Tina; Vielstadte, Lisa; Greinert, Jens (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-05-17)
      Large quantities of methane are stored in hydrates and permafrost within shallow marine sediments in the Arctic Ocean. These reservoirs are highly sensitive to climate warming, but the fate of methane released from sediments is uncertain. Here, we review the principal physical and biogeochemical processes that regulate methane fluxes across the seabed, the fate of this methane in the water column, ...

    • Multiscale characterisation of chimneys/pipes: Fluid escape structures within sedimentary basins 

      Robinson, Adam H.; Callow, Ben; Böttner, Christoph; Yilo, Naima; Provenzano, Giuseppe; Falcon-Suarez, Ismael H; Marin-Moreno, Héctor; Lichtschlag, Anna; Bayrakci, Gaye; Gehrmann, Romina; Parkes, Lou; Roche, Ben; Saleem, Umer; Schramm, Bettina; Waage, Malin; Lavayssière, Aude; Li, Jianghui; Jedari-Eyvazi, Farid; Sahoo, Sourav; Deusner, Christian; Kossel, Elke; Minshull, Timothy A.; Berndt, Christian; Bull, Jonathan M.; Dean, Marcella; Chapman, Mark; Best, Angus I.; Bünz, Stefan; Chen, Baixin; Connelly, Douglas P.; Elger, Judith; Haeckel, Matthias; Henstock, Timothy J.; Karstens, Jens; Macdonald, Calum; Matter, Juerg M.; North, Laurence; Reinardy, Benedict (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-19)
      Evaluation of seismic reflection data has identified the presence of fluid escape structures cross-cutting overburden stratigraphy within sedimentary basins globally. Seismically-imaged chimneys/pipes are considered to be possible pathways for fluid flow, which may hydraulically connect deeper strata to the seabed. The properties of fluid migration pathways through the overburden must be constrained ...