Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Daniel Smrzka"'
Autor:
Gerhard Bohrmann, Katharina Streuff, Miriam Römer, Stig-Morten Knutsen, Daniel Smrzka, Jan Kleint, Aaron Röhler, Thomas Pape, Nils Rune Sandstå, Charlotte Kleint, Christian Hansen, Christian dos Santos Ferreira, Maren Walter, Gustavo Macedo de Paula Santos, Wolfgang Bach
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Oceanic spreading centers north of Iceland are characterized by ultraslow spreading rates, and related hydrothermal activity has been detected in the water column and at the seafloor along nearly all ridge segments. An exception is the 500-k
Externí odkaz:
https://doaj.org/article/83a9cc8d14d440a5ba1c261e522a6286
Autor:
Yiting Tseng, Daniel Smrzka, Saulwood Lin, Andrea Schröder‐Ritzrau, Norbert Frank, Gerhard Bohrmann
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 24, Iss 7, Pp n/a-n/a (2023)
Abstract Hydrocarbon seeps are common manifestations of gas leakage from the seafloor. However, the fate of methane seepage within the gas hydrate stability zone at active margins is poorly constrained. This study presents a 40‐thousand‐year reco
Externí odkaz:
https://doaj.org/article/d6e87b536b7646fda3de38e409b060a8
Autor:
Jennifer Zwicker, Daniel Smrzka, Florian Steindl, Michael E. Böttcher, Eugen Libowitzky, Steffen Kiel, Jörn Peckmann
Publikováno v:
The Depositional Record, Vol 7, Iss 2, Pp 294-310 (2021)
Abstract Marine hydrocarbon seeps are sites of chemosynthetic microbial activity and authigenic carbonate formation. Seep limestones are typified by a range of geochemical signatures of microbial hydrocarbon oxidation, but only few seep deposits reve
Externí odkaz:
https://doaj.org/article/c0e132d5addc47798d89fec669fa6b44
Autor:
Ruth-Sophie Taubner, Patricia Pappenreiter, Jennifer Zwicker, Daniel Smrzka, Christian Pruckner, Philipp Kolar, Sébastien Bernacchi, Arne H. Seifert, Alexander Krajete, Wolfgang Bach, Jörn Peckmann, Christian Paulik, Maria G. Firneis, Christa Schleper, Simon K.-M. R. Rittmann
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-11 (2018)
Many methanogenic archaea use H2 and CO2 to produce methane. Here, Taubner et al. show that Methanothermococcus okinawensis produces methane under conditions extrapolated for Saturn’s icy moon, Enceladus, and estimate that serpentinization may prod
Externí odkaz:
https://doaj.org/article/5b971a925bfb4fc5b2d8651884767d7e
Autor:
Daniel Smrzka, Kristian Kuzel, Domenico Chiarella, Michael M. Joachimski, Thomas M. Vandyk, Christoph Kettler, Dan P. Le Heron
Publikováno v:
Sedimentology. 69:2284-2318
Autor:
Nicola Krake, Daniel Birgel, Daniel Smrzka, Jennifer Zwicker, Huiwen Huang, Dong Feng, Gerhard Bohrmann, Jörn Peckmann
Hydrocarbon seepage is a widespread phenomenon at continental margins around the world. The composition of the ascending fluids can be variable, consisting of short- and long-chain hydrocarbons as well as crude oil. A prominent site of oil seepage is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81112f81596fb5527a28ba76c3218833
https://doi.org/10.5194/egusphere-egu22-7597
https://doi.org/10.5194/egusphere-egu22-7597
Autor:
Jennifer Zwicker, Daniel Smrzka, Iñaki Vadillo, Pablo Jiménez-Gavilán, Manolis Giampouras, Jörn Peckmann, Wolfgang Bach
Publikováno v:
Applied Geochemistry. 147:105492
Publikováno v:
Sedimentary Geology. 438:106195
Autor:
Patrick Monien, Daniel Smrzka, Christoph Walkner, Jörn Peckmann, Susanne Gier, Jennifer Zwicker, David Misch, Gerhard Bohrmann
Publikováno v:
Sedimentology. 66:2318-2353
Autor:
Tobias Himmler, Jennifer Zwicker, Patrick Monien, Jörn Peckmann, Daniel Smrzka, James L. Goedert, Susanne Gier
Publikováno v:
Chemical Geology. 501:77-85
Ancient methane-seep carbonates are geological archives of environmental conditions and record past microbial activity. To better understand the information stored in this archive, a comparison was made of phase-specific major, trace, and rare earth