Geological and Geophysical Investigations of the East Antarctic Margins: A Workshop Discussion at the Byrd Polar Research Center in Columbus, Ohio, February 21-23, 1997

摘要由美国国家科学基金会南极计划资助的南极边缘地质和地球物理研究通常集中在传统上可以通过船只到达的地区，如南极半岛和罗斯海地区，或者从麦克默多站可以通过飞机到达的地区。由于对大部分边缘地区的访问有限，导致数据集和解释偏向于罗斯和威德尔海地区以及南极洲西部及其沿岸的过程和事件。该奖项支持一个研讨会，其主要目标是确定关键的科学问题，这些问题可以通过前往南极东部边缘的威尔克斯、恩德比和莫德女王地地区的游轮来解决，并评估美国社区对实施研究游轮计划的兴趣程度。潜在的研究目标可分为以下几个子学科：a)以古气候研究为重点的近岸海洋研究；b)陆架-洋壳海洋研究强调中生代裂陷几何问题；c)陆上前第三纪地质研究，观察Gondwana组合和分裂事件；d)陆上晚第三纪地质和地球物理研究，也主要具有古气候意义。这些学科之间的统一因素是发展南极地球科学的环极观点的基本需要。这一目标隐含着美国计划与其他国家计划的合作，特别是澳大利亚和日本。研讨会的第二个目标是协调后勤计划，该计划将与陆上和海上项目的科学目标相结合，以充分利用分配的船舶时间。

Grunow OPP 9705586 Abstract Geological and geophysical research sponsored by the US Antarctic Program of the National Science Foundation along the Antarctic margin has usually concentrated on the areas traditionally visited either by ship, such as the Antarctic Peninsula and Ross Sea regions, or areas easily accessible by aircraft from McMurdo Station. Limited access to much of the margin has resulted in data sets and interpretations that are skewed toward processes and events within and along the Ross and Weddell sea regions and West Antarctica. This award supports a workshop with primary objectives of identifying key scientific questions which could be addressed through cruises to the Wilkes, Enderby and Queen Maud Land areas of the East Antarctic margin, and assessing the level of interest within the US community of implementing research cruise initiatives. Potential research objectives can be divided into the following sub-disciplines: a) nearshore marine research with an emphasis on paleoclimatic studies; b) continental shelf to oceanic crust marine research stressing questions of Mesozoic breakup and rifting geometry; c) onshore pre-Tertiary geological research looking at Gondwana assembly and breakup events; and d) onshore Late Tertiary geological and geophysical studies, also primarily of paleoclimatic significance. The unifying element between these disciplines is the essential need to develop a circumpolar view of Antarctic earth sciences. Implicit in this goal is cooperation of USAP efforts with other national programs, particularly Australia and Japan. A secondary objective of the workshop will be to coordinate a logistics plan which would mesh the scientific goals of onshore and offshore programs in order to take full advantage of the allocated ship-time.