Methane Release in Submarine Landslides: A Seismic, Sedimentological, and Geochemical Study of the Storegga Slide, Offshore Norway

获奖原因是对挪威边缘的Storegga滑动进行了协调的地震和取心研究。斯托尔加滑坡是在被认为含有大量天然气水合物的沉积物中形成的。检查这一滑坡区域将检验海底滑坡可以将水合物中的甲烷释放到海洋和/或大气中从而影响气候的假设。这项研究将检验三个主要假设；1)斯托尔加地区存在多少天然气水合物？ 2)甲烷是否因滑坡而逸出？如果有，逸出多少？3)水合物解离是否促进了海底滑坡？在为期43天的巡航中，“尤因号”将获得高分辨率地震反射数据、三分量海底地震数据和巨型活塞岩心。

Award is for a coordinated seismic and coring study of the Storegga Slide on the Norwegian Margin. The Storegga slide developed in sediments thought to have contained substantial amounts of gas hydrate. Examining this slide area will test the hypothesis that submarine landslides can release methane from hydrates into the oceans and/or atmosphere and thereby affect climate. The study will test three major hypotheses; 1) How much gas hydrate is present in the Storegga region, 2) did methane escape as a result of the slide, and if so, how much? 3) does hydrate dissociation promote submarine landslides? A 43 day cruise of the R/V Ewing will acquire high resolution seismic reflection data, three component ocean bottom seismic data and jumbo piston cores.