Search Results - "Knies, Jochen"

Nitrogen Isotope Evidence for Changing Arctic Ocean Ventilation Regimes During the Cenozoic by Knies, Jochen

“…In this work, I report on the coupling of dinitrogen (N2) fixation and denitrification in oxygen‐deficient waters of the Arctic Ocean during the Paleogene…”
Get full text

Impact of tides and sea-level on deep-sea Arctic methane emissions by Sultan, Nabil, Plaza-Faverola, Andreia, Vadakkepuliyambatta, Sunil, Buenz, Stefan, Knies, Jochen

“…Sub-sea Arctic methane and gas hydrate reservoirs are expected to be severely impacted by ocean temperature increase and sea-level rise. Our understanding of…”
Get full text

Editorial: Natural methane emissions in a changing arctic – implications for climate and environment by Andreassen, Karin, Ruppel, Carolyn, Liebner, Susanne, Hodson, Andrew, Knies, Jochen

“…Natural methane emissions have received significant attention in recent years due to the documented increase in atmospheric concentrations of methane and its…”
Get full text

Identification of contrasting seasonal sea ice conditions during the Younger Dryas by Cabedo-Sanz, Patricia, Belt, Simon T., Knies, Jochen, Husum, Katrine

“…A palaeo sea ice reconstruction for northern Norway for the interval ca 13.8–7.2 cal ka BP has been performed using a combined organic geochemical proxy-based…”
Get full text

Glacial erosion and Quaternary landscape development of the Eurasian Arctic by Patton, Henry, Alexandropoulou, Nikolitsa, Lasabuda, Amando P.E., Knies, Jochen, Andreassen, Karin, Winsborrow, Monica, Laberg, Jan Sverre, Hubbard, Alun

“…Multiple ice age cycles spanning the last three million years have fundamentally transformed the Arctic landscape. The cadence and intensity of this glacial…”
Get full text

Atypical biological features of a new cold seep site on the Lofoten-Vesterålen continental margin (northern Norway) by Sen, Arunima, Himmler, Tobias, Hong, Wei Li, Chitkara, Cheshtaa, Lee, Raymond W., Ferré, Benedicte, Lepland, Aivo, Knies, Jochen

“…A newly discovered cold seep from the Lofoten-Vesterålen margin (Norwegian Sea) is dominated by the chemosymbiotrophic siboglinid Oligobrachia haakonmosbiensis…”
Get full text

Glacial troughs as centres of organic carbon accumulation on the Norwegian continental margin by Diesing, Markus, Paradis, Sarah, Jensen, Henning, Thorsnes, Terje, Bjarnadóttir, Lilja Rún, Knies, Jochen

“…The role of continental margin sediments in the carbon cycle and the associated management potential for climate mitigation are currently poorly understood…”
Get full text

Sea ice-ocean coupling during Heinrich Stadials in the Atlantic–Arctic gateway by El bani Altuna, Naima, Ezat, Mohamed M., Smik, Lukas, Muschitiello, Francesco, Belt, Simon T., Knies, Jochen, Rasmussen, Tine L.

“…The variability of Arctic sea-ice during abrupt stadial-interstadial shifts in the last glacial period remain poorly understood. Here, we investigated the…”
Get full text

Publisher Correction: Sea ice-ocean coupling during Heinrich Stadials in the Atlantic–Arctic gateway by Altuna, Naima El bani, Ezat, Mohamed M., Smik, Lukas, Muschitiello, Francesco, Belt, Simon T., Knies, Jochen, Rasmussen, Tine L.

Get full text

The inheritance of a Mesozoic landscape in western Scandinavia by Fredin, Ola, Viola, Giulio, Zwingmann, Horst, Sørlie, Ronald, Brönner, Marco, Lie, Jan-Erik, Grandal, Else Margrethe, Müller, Axel, Margreth, Annina, Vogt, Christoph, Knies, Jochen

“…In-situ weathered bedrock, saprolite, is locally found in Scandinavia, where it is commonly thought to represent pre-Pleistocene weathering possibly associated…”
Get full text

Discharge of Meteoric Water in the Eastern Norwegian Sea since the Last Glacial Period by Hong, Wei‐Li, Lepland, Aivo, Himmler, Tobias, Kim, Ji‐Hoon, Chand, Shyam, Sahy, Diana, Solomon, Evan A., Rae, James W. B., Martma, Tõnu, Nam, Seung‐Il, Knies, Jochen

“…Submarine groundwater discharge could impact the transport of critical solutes to the ocean. However, its driver(s), significance over geological time scales,…”
Get full text

Pliocene palaeoceanography of the Arctic Ocean and subarctic seas by Matthiessen, Jens, Knies, Jochen, Vogt, Christoph, Stein, Ruediger

“…The Pliocene is important in the geological evolution of the high northern latitudes. It marks the transition from restricted local- to extensive…”
Get full text

Effect of early Pliocene uplift on late Pliocene cooling in the Arctic–Atlantic gateway by Knies, Jochen, Mattingsdal, Rune, Fabian, Karl, Grøsfjeld, Kari, Baranwal, Soma, Husum, Katrine, De Schepper, Stijn, Vogt, Christoph, Andersen, Nils, Matthiessen, Jens, Andreassen, Karin, Jokat, Wilfried, Nam, Seung-Il, Gaina, Carmen

“…Despite the undisputed role of the Arctic Ocean in the modern and Pliocene climate system, the Arctic has only recently attracted public awareness that…”
Get full text

Protracted post-glacial hydrocarbon seepage in the Barents Sea revealed by U–Th dating of seep carbonates by Himmler, Tobias, Wagner, Doris, Sahy, Diana, Vadakkepuliyambatta, Sunil, Chand, Shyam, Martma, Tõnu, Kirsimäe, Kalle, Mattingsdal, Rune, Panieri, Giuliana, Bünz, Stefan, Condon, Daniel J., Knies, Jochen, Lepland, Aivo

“…The hydrocarbon seepage chronology during deglaciation across the formerly glaciated Barents Sea was established using uranium-thorium (U–Th) dating of seep…”
Get full text

Nordic Seas polynyas and their role in preconditioning marine productivity during the Last Glacial Maximum by Knies, Jochen, Köseoğlu, Denizcan, Rise, Leif, Baeten, Nicole, Bellec, Valérie K., Bøe, Reidulv, Klug, Martin, Panieri, Giuliana, Jernas, Patrycja E., Belt, Simon T.

“…Arctic and Antarctic polynyas are crucial sites for deep-water formation, which helps sustain global ocean circulation. During glacial times, the occurrence of…”
Get full text

Continental weathering and recovery from ocean nutrient stress during the Early Triassic Biotic Crisis by Knies, Jochen, Schönenberger, Jasmin, Zwingmann, Horst, van der Lelij, Roelant, Smelror, Morten, Vullum, Per Erik, Brönner, Marco, Vogt, Christoph, Fredin, Ola, Müller, Axel, Grasby, Stephen E., Beauchamp, Benoit, Viola, Giulio

“…Abstract Following the latest Permian extinction ∼252 million years ago, normal marine and terrestrial ecosystems did not recover for another 5-9 million…”
Get full text

Acoustic evidence of hydrocarbon release associated with the Spitsbergen Transform Fault, north of the Molloy Ridge, Fram Strait by Chand, Shyam, Knies, Jochen, Geissler, Wolfram H., Plaza-Faverola, Andreia, Thorsnes, Terje

“…Hydrocarbon gases formed from biotic and abiotic processes are released through the seafloor at different locations around the world. They have been widely…”
Get full text

Sedimentary deformation relating to episodic seepage in the last 1.2 million years: a multi-scale seismic study from the Vestnesa Ridge, eastern Fram Strait by Cooke, Frances, Plaza-Faverola, Andreia, Bünz, Stefan, Sultan, Nabil, Ramachandran, Hariharan, Bedle, Heather, Patton, Henry, Singhroha, Sunny, Knies, Jochen

“…Seafloor hydrocarbon seepage is a natural fluid release process that occurs worldwide on continental shelves, slopes, and in deep oceanic basins. The Vestnesa…”
Get full text

Lack of detectable chemosynthesis at a sponge dominated subarctic methane seep by Sinner, Melina, Hong, Wei Li, Michel, Loïc N., Vadakkepuliyambatta, Sunil, Knies, Jochen, Sen, Arunima

“…We used high-resolution imagery within a Geographic Information System (GIS), free gas and porewater analyses and animal bulk stable isotope measurements to…”
Get full text

Evidence of Arctic methane emissions across the mid-Pleistocene by Panieri, Giuliana, Knies, Jochen, Vadakkepuliyambatta, Sunil, Lee, Amicia L., Schubert, Carsten J.

“…Abstract During the Pleistocene, Earth’s climate changed dramatically. The mid-Pleistocene transition (MPT; ~1.3–0.7 million years (Ma)) featured an important…”
Get full text