Results 91 to 100 of about 25,401 (228)

Unravelling the evolution of the Frébouge polygenetic cone in Val Ferret (Mont Blanc Massif)

Boreas, EarlyView.
Proglacial settings in the Alps are typically polygenetic, often characterized by a complex and discontinuous interplay between glacial, fluvial and gravitational processes. These processes yield high volumes of sediments, which usually exceed their transportation capacity.
Catharina Dieleman, Philip Deline, Susan Ivy Ochs, Patricia Hug, Jordan Aaron, Marcus  Christl, Naki Akçar   +6 more
wiley   +1 more source

The structures beneath submarine methane seeps : seismic evidence from Opouawe Bank, Hikurangi Margin, New Zealand [PDF]

, 2010
The role of methane in the global bio-geo-system is one of the most important issues of present-day research. Cold seeps, where methane leaves the seafloor and enters the water column, provide valuable evidence of subsurface methane paths. Within the New
Bialas, Jörg, Krabbenhöft, Anne, Netzeband, Gesa, Papenberg, Cord, Petersen, Carl Jörg, Zillmer, Matthias   +5 more
core   +1 more source

Where water meets rock: Ecological niches and diversity hotspots of hygropetric beetles in the Neotropics

Ecological Entomology, EarlyView.
First continental‐scale synthesis of hygropetric beetle diversity and distribution across Neotropical highlands. Climatic and topographic gradients structure regional assemblages and niche overlap. Ecological convergence suggests adaptation to similar conditions across disjunct regions.
Janderson Batista Rodrigues Alencar, Fabrício Beggiato Baccaro, Cesar J. Benetti, Vinícius da Costa‐Silva, Neusa Hamada   +4 more
wiley   +1 more source

U–Th stratigraphy of a cold seep carbonate crust [PDF]

Chemical Geology, 2009
On continental margins, oxidation of methane-rich fluids from the sediment often leads to formation of authigenic carbonate pavements on the seafloor. The biogeochemical processes involved during this carbonate precipitation are increasingly understood, but little is known about the duration or mode of carbonate crust formation. Here, we report uranium
Bayon, G., Henderson, G.M., Bohn, Marcel
openaire   +5 more sources

Note on paramoudra-like carbonate concretions in the Urenui Formation, North Taranaki: possible plumbing system for a Late Miocene methane seep field [PDF]

, 2004
A reconnaissance study of calcitic and dolomitic tubular concretions in upper slope mudstone of the Late Miocene Urenui Formation exposed along the north Taranaki coastline indicates that they have a complex diagenetic history involving different phases ...
Browne, Gregory H., Campbell, Kathleen A., Kamp, Peter J.J., King, Peter R., Nelson, Campbell S., Ricketts, Brian D., Schellenberg, Francesca   +6 more
core   +1 more source

Methane sources in gas hydrate-bearing cold-seeps : evidence from radiocarbon and stable isotopes [PDF]

, 2009
Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution.
Archer, Bernard, Berner, Blaise, Buffett, C.S. Mitchell, Chanton, Chanton, Cicerone, Claypool, D.L. Knies, Dickens, E.A. Canuel, Galimov, Ginsburg, Grabowski, Grubbs, Hovland, Hunt, J.E. Bauer, J.W. Pohlman, Judd, K.S. Grabowski, Kessler, Kessler, Kvenvolden, Lelieveld, Levitus, M.J. Whiticar, McKay, Milkov, Milkov, Milkov, Milkov, Milkov, Okada, Paull, Pohlman, Pohlman, R.B. Coffin, Reagan, Reeburgh, Riedel, Sassen, Sellanes, Skilbeck, Sloan, Stuiver, Torres, Van Dover, Vogel, Wahlen, Whiticar, Whiticar, Winckler   +54 more
core   +1 more source

Cold Seeps Extreme24 Expedition Report

Septentrio Reports
The Cold Seeps Extreme24 Expedition was the second leg of two expeditions, which form part of the University of Tromsø’s Extreme 24 project. The expedition focused on cold seeps sites characterised by methane emissions in several localities in the Barents Sea. The expedition is a research initiative (PI G.
Giuliana Panieri, Ines Barrenechea Angeles, Claudio Argentino, Gaelle Bednarek, James Brickell, Arianna Caneva, Beckett Colson, Lisa-Marie Delpech, Mari Heggernes Eilertsen, Lorna Farquhar, Oceane Garandel, Thea Gjesdal, Corentin Guilhermic, Fereshteh Hemmateenejad, Lawrence Hislop, Dimitri Kalenitchenko, Michale Kjær, Tor-Arve Lunde, Rune Mattingsdal, Martina O’brien, Bjorn Runar Olsen, Jo Øvstaas, Jørn B. Nyvoll, Jan Pawlowski, Carlotta Redaelli, Pedro F.C. Rodrigues, Leighton Rolley, Alessandra Savini, Olaf Sørås, Stig Vågenes, Patrick Vågenes, Torstein Wang, Scott Wieman, Yu Ting Yan   +33 more
openaire   +2 more sources

Understanding marine biodiversity patterns and drivers: The fall of Icarus

Marine Ecology, EarlyView.
Abstract Biodiversity patterns are fundamental in our understanding of the distribution of life, ecosystem function, and conservation. In this concept analysis, A survey of the existing knowledge on marine biodiversity patterns and drivers across latitudes, longitudes, and depths indicates that none of the postulated patterns represent a rule.
Roberto Danovaro
wiley   +1 more source

Population genetic structure in Sabatieria (Nematoda) reveals intermediary gene flow and admixture between distant cold seeps from the Mediterranean Sea [PDF]

, 2017
BackgroundThere is a general lack of information on the dispersal and genetic structuring for populations of small-sized deep-water taxa, including free-living nematodes which inhabit and dominate the seafloor sediments.
De Groote, A., Derycke, S., Hauquier, F., Vanreusel, A.   +3 more
core  

Insights into prokaryotic communities and their potential functions in biogeochemical cycles in cold seep

mSphere
Microorganisms are significant drivers of organic matter mineralization and are essential in marine biogeochemical cycles. However, the variations and influencing factors in prokaryotic communities from cold-seep sediments to the water column and the ...
Qiumei Quan, Jiaxing Liu, Chaolun Li, Zhixin Ke, Yehui Tan   +4 more
doaj   +1 more source