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Gas in Marine Sediments (GIMS): past, current, and future (contributions from GIMS-14)
Geo-Marine Letters ( IF 2.1 ) Pub Date : 2020-05-30 , DOI: 10.1007/s00367-020-00660-w
Regina Katsman , Gerald Dickens

Shallow sediment (< 1000 m below the seafloor) along modern continental margins hosts enormous quantities of low molecular weight hydrocarbons (mostly methane, CH4) that exist as free (gas) bubbles, clathrates (or gas hydrates), or dissolved in water. The total amount and correct distribution of these hydrocarbons at present-day remain wildly unconstrained, principally because of current complications regarding means to detect, to quantify, and to explain. This problem only magnifies over geologic time, which necessarily forces consideration of past variations in sea level, ocean temperature, and carbon fluxes to and from the seafloor. In any case, gas in marine sediments has become an increasingly fascinating topic across a broad spectrum of geoand bio-sciences. The Gas in Marine Sediments (GIMS) conference series (Table 1), initiated in 1990 by the Shallow Gas Group, was intended to stimulate an awareness of shallow gas and gasrelated features (e.g., seepages and pockmarks) within the wider community. GIMS meetings, held approximately every 2 years (Table 1), provide an opportunity for scientists and engineers spanning multiple disciplines to share cutting-edge knowledge in a welcoming environment. During early conferences, there was a concerted effort to foster east-west relationships by encouraging the participation of colleagues from the Eastern Bloc. This goal of facilitating interdisciplinary and international cooperation, as well as publishing key and diverse work continues. Here, we introduce the fourteenth conference (GIMS-14), held in Haifa, Israel (October 14–20, 2018), which led to some interesting papers and key ideas. A Web site for the meeting, including the program and other details, can be found at http://gims14.haifa.ac.il/.

中文翻译:

海洋沉积物中的气体 (GIMS):过去、现在和未来(来自 GIMS-14 的贡献)

现代大陆边缘的浅层沉积物(海底以下 < 1000 m)含有大量低分子量碳氢化合物(主要是甲烷,CH4),它们以游离(气体)气泡、包合物(或气体水合物)形式存在或溶解在水中。目前,这些碳氢化合物的总量和正确分布仍然不受限制,主要是因为当前检测、量化和解释手段的复杂性。这个问题只会随着地质时间的推移而放大,这必然会迫使人们考虑过去海平面、海洋温度和进出海底的碳通量的变化。无论如何,海洋沉积物中的气体已成为广泛的地球科学和生物科学领域一个越来越引人入胜的话题。海洋沉积物中的气体 (GIMS) 会议系列(表 1),由浅层气体集团于 1990 年发起,旨在激发更广泛社区内对浅层气体和与气体相关的特征(例如渗流和麻点)的认识。GIMS 会议大约每 2 年举行一次(表 1),为跨越多个学科的科学家和工程师提供了在友好的环境中分享前沿知识的机会。在早期会议期间,通过鼓励来自东方集团的同事的参与,共同努力促进东西方关系。这一促进跨学科和国际合作以及出版关键和多样化工作的目标仍在继续。在这里,我们介绍在以色列海法(2018 年 10 月 14 日至 20 日)举行的第十四届会议 (GIMS-14),会议产生了一些有趣的论文和关键思想。会议网站,
更新日期:2020-05-30
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