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Start of the International Ocean Discovery Program Expedition 379: Exploring the dynamics of the West Antarctic Ice Sheet by drilling ice sheet margins of the Amundsen Gulf | |||||||||||||||||||
admin | |||||||||||||||||||
2019-01-18 | |||||||||||||||||||
发布年 | 2019 | ||||||||||||||||||
语种 | 英语 | ||||||||||||||||||
国家 | 日本 | ||||||||||||||||||
领域 | 资源环境 | ||||||||||||||||||
正文(英文) | ![]() ![]()
January 18, 2019
JAMSTEC Start of the International Ocean Discovery Program Expedition 379: Exploring the dynamics of the West Antarctic Ice Sheet by drilling ice sheet margins of the Amundsen GulfTo explore “Amundsen Sea West Antarctic Ice Sheet History: Development and sensitivity of the West Antarctic Ice Sheet tested from drill records of the Amundsen Sea Embayment” as part of the International Ocean Discovery Program (IODP)(*1), a research expedition using JOIDES Resolution (*2) prepared by the United States will begin on January 18th. In this research expedition, we will drill the continental shelf and the ocean floor proximal to the continental shelf of the Amundsen Gulf (Figure 1) in the margin of the West Antarctic Ice Sheet (WAIS) where the most pronounced glacier retreat is observed in Antarctica. The aim is to clarify the ages at which continental deposits and unconformities were formed through expansion and contraction of the WAIS and reconstruct the marine environments of ice sheet margins in order to explain the relationship between the ocean, climatic conditions, and the growth and decay of the WAIS. In this research expedition, a total of 29 researchers, three of whom will be from Japan, and others from the United States, Europe, New Zealand, China, India, and Korea will be on board. *1 The International Ocean Discovery Program (IODP) is a multinational cooperative project that was started in October 2013. The scientific drilling vessel (D/V), Chikyu, operated by Japan, and the JOIDES Resolution, operated by the U.S., are utilized for expeditions. There is also an option for European countries to charter mission-specific platforms. The IODP’s mission is to shed light on global environmental changes, the mantle and crust dynamics and tectonics of the Earth, and the biosphere beneath the seafloor. IODP took over the Integrated Ocean Drilling Program conducted from October 2003 to 2013. ![]() JOIDES Resolution ©IODP *2 The JOIDES Resolution is the U.S. drilling vessel that participates in the IODP. Compared to the Deep-sea Scientific Drilling Vessel Chikyu by JAMSTEC, the JOIDES Resolution is used more often for drilling in shallow waters. Table 1: Drill sites in this research expedition (in the order of drilling)
(Drill sites may change depending on the expedition preparation status, meterological conditions, and research progress.)
*Figure 1 is cited from the IODP website with partial modification. Reference: IODP Copyright Statement Contacts:
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URL | 查看原文 | ||||||||||||||||||
来源平台 | Japan Agency for Marine-Earth Science and Technology | ||||||||||||||||||
文献类型 | 新闻 | ||||||||||||||||||
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/104382 | ||||||||||||||||||
专题 | 资源环境科学 | ||||||||||||||||||
推荐引用方式 GB/T 7714 | admin. Start of the International Ocean Discovery Program Expedition 379: Exploring the dynamics of the West Antarctic Ice Sheet by drilling ice sheet margins of the Amundsen Gulf. 2019. |
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