Global ocean methane emissions dominated by shallow coastal waters

T Weber, NA Wiseman, A Kock - Nature communications, 2019 - nature.com
Oceanic emissions represent a highly uncertain term in the natural atmospheric methane
(CH4) budget, due to the sparse sampling of dissolved CH4 in the marine environment …

Massive marine methane emissions from near-shore shallow coastal areas

AV Borges, W Champenois, N Gypens, B Delille… - Scientific reports, 2016 - nature.com
Methane is the second most important greenhouse gas contributing to climate warming. The
open ocean is a minor source of methane to the atmosphere. We report intense methane …

Widespread methane seepage along the continental margin off Svalbard-from Bjørnøya to Kongsfjorden

S Mau, M Römer, ME Torres, I Bussmann, T Pape… - Scientific reports, 2017 - nature.com
Numerous articles have recently reported on gas seepage offshore Svalbard, because the
gas emission from these Arctic sediments was thought to result from gas hydrate …

Productivity and temperature as drivers of seasonal and spatial variations of dissolved methane in the Southern Bight of the North Sea

AV Borges, G Speeckaert, W Champenois, MI Scranton… - Ecosystems, 2018 - Springer
Dissolved CH 4 concentrations in the Belgian coastal zone (North Sea) ranged between 670
nmol l− 1 nearshore and 4 nmol l− 1 offshore. Spatial variations of CH 4 were related to …

Effects of low oxygen concentrations on aerobic methane oxidation in seasonally hypoxic coastal waters

L Steinle, J Maltby, T Treude, A Kock, HW Bange… - …, 2017 - bg.copernicus.org
Coastal seas may account for more than 75% of global oceanic methane emissions. There,
methane is mainly produced microbially in anoxic sediments from which it can escape to the …

Processing of multibeam water column image data for automated bubble/seep detection and repeated mapping

P Urban, K Köser, J Greinert - Limnology and oceanography …, 2017 - Wiley Online Library
Abstract Water Column Imaging Multibeam Echosounder Systems (MBES) are effective and
sensitive tools for investigating free gas (bubble) release and its rise through the water …

Model Study of the Effects of Climate Change on the Methane Emissions on the Arctic Shelves

V Malakhova, E Golubeva - Atmosphere, 2022 - mdpi.com
Based on a regional ice-ocean model, we simulated the state of the water masses of the
Arctic Ocean to analyze the transport of dissolved methane on the Arctic shelves. From 1970 …

Greenhouse gas assemblages (CO2, CH4 and N2O) in the continental shelf of the Gulf of Cadiz (SW Iberian Peninsula)

T Ortega, D Jiménez-López, A Sierra, R Ponce… - Science of The Total …, 2023 - Elsevier
This study examines the simultaneous water-atmosphere exchange of carbon dioxide (CO
2), methane (CH 4) and nitrous oxide (N 2 O) on the continental shelf of the Gulf of Cadiz, as …

The effect of hydrostatic pressure on enrichments of hydrocarbon degrading microbes from the Gulf of Mexico following the Deepwater Horizon oil spill

A Marietou, R Chastain, F Beulig, A Scoma… - Frontiers in …, 2018 - frontiersin.org
The Deepwater Horizon oil spill was one of the largest and deepest oil spills recorded. The
wellhead was located at approximately 1500 m below the sea where low temperature and …

Assessing marine gas emission activity and contribution to the atmospheric methane inventory: A multidisciplinary approach from the D utch D ogger B ank seep area …

M Römer, S Wenau, S Mau, M Veloso… - Geochemistry …, 2017 - Wiley Online Library
We present a comprehensive study showing new results from a shallow gas seep area in∼
40 m water depth located in the North Sea, Netherlands sector B13 that we call “Dutch …