Collaborative Research: Establishing the Stratigraphy of Glacigenic Bedforms on the Chukchi Borderland, Arctic Ocean, to Reconstruct the History of Pleistocene Arctic Ice Shelves.
合作研究:建立北冰洋楚科奇边境冰川成因地层的地层学,重建更新世北极冰架的历史。
基本信息
- 批准号:0136238
- 负责人:
- 金额:$ 13.21万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-03-01 至 2006-02-28
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
0136238PolyakThis is a collaborative proposal by Principal Investigators at the Ohio State University and Old Dominion University. The Principal Investigators will investigate sediment cores from the Chukchi Borderland that were collected and curated by the U.S. Geological Survey (USGS) in 1992. The core sites are located in an area that contains several generations of glacigenic bedforms, which were mapped by the Science Ice Exercise (SCICEX) survey in 1999. A preliminary lithostratigraphy for these cores has been developed from their physical properties logs and core descriptions. The Principal Investigators will verify and further develop this stratigraphy based on lithological and paleontological (foraminiferal) compositions and paleomagnetic measurements, reinforced by 14C dating and coccolith studies. These approaches will allow them to put the Chukchi Borderland cores into a stratigraphic context for the Amerasian Basin and to correlate them with the Lomonosov Ridge sediment records. The results should help to establish an improved Quaternary age model for the Arctic Ocean. Investigation of glacigenic diamictons recovered by cores on the Chukchi Borderland will aid our understanding of the processes involved in the grounding of ice shelves on submarine rises. By using the composition of glacigenic clasts in sediments as provenance tracers they identify glaciation centers that sustained the ice shelves. This stratigraphically constrained information will yield insights into the Pleistocene glaciation history of both the interior and the periphery of the Arctic Ocean and will improve ourunderstanding of interactions between continental-based ice sheets and ice shelves.
这是俄亥俄州立大学和老道明大学的主要研究人员合作提出的一项建议。主要研究人员将调查楚科奇边境地区的沉积物岩心,这些岩心是1992年由美国地质调查局(USGS)收集和整理的。核心地点位于一个包含几代冰川形成地层的地区,这些地层是1999年科学冰运动(sciex)调查绘制的。根据岩心的物性、测井曲线和岩心描述,对这些岩心进行了初步的岩石地层学研究。首席研究人员将根据岩性和古生物学(有孔虫)组成和古地磁测量来验证和进一步发展这种地层学,并通过14C测年和球粒岩研究来加强。这些方法将使他们能够将楚科奇边地岩心置于美亚拉盆地的地层背景中,并将它们与罗蒙诺索夫岭的沉积物记录联系起来。这些结果将有助于建立一个改进的北冰洋第四纪时代模型。对楚科奇边境地区的冰芯采集到的冰川形成碎屑进行调查,将有助于我们了解海底隆起的冰架搁浅的过程。通过使用沉积物中的冰川碎屑组成作为物源示踪剂,他们确定了维持冰架的冰川中心。这些地层学上受限的信息将使我们对北冰洋内部和外围更新世冰川历史有更深入的了解,并将提高我们对大陆冰盖和冰架之间相互作用的理解。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Leonid Polyak其他文献
Reply to comment by Hillaire-Marcel and de Vernal on "A sedimentary record from the Makarov Basin, Arctic Ocean, reveals changing middle to late Pleistocene glaciation pattern" [Quat. Sci. Rev., 270 (2021), p.107176]
回复 Hillaire-Marcel 和 de Vernal 关于“北冰洋马卡罗夫盆地的沉积记录揭示了更新世中晚期冰川模式的变化”的评论 [Quat.
- DOI:
10.1016/j.quascirev.2021.107298 - 发表时间:
- 期刊:
- 影响因子:4
- 作者:
Wenshen Xiao;Leonid Polyak;Christelle Not;Rujian Wang - 通讯作者:
Rujian Wang
A sedimentary record from the Makarov Basin, Arctic Ocean, reveals changing middle to Late Pleistocene glaciation patterns
北冰洋马卡罗夫盆地的沉积记录揭示了中更新世到晚更新世冰川模式的变化
- DOI:
10.1016/j.quascirev.2021.107176 - 发表时间:
2021-10 - 期刊:
- 影响因子:4
- 作者:
Wenshen Xiao;Leonid Polyak;Rujian Wang;Christelle Not;Linsen Dong;Yanguang Liu;Tong Ma;Taoliang Zhang - 通讯作者:
Taoliang Zhang
A Eurasian Basin sedimentary record of glacial impact on the central Arctic Ocean during MIS 1–4
MIS 1-4期间冰川对北冰洋中部影响的欧亚盆地沉积记录
- DOI:
10.1016/j.gloplacha.2022.103993 - 发表时间:
2022 - 期刊:
- 影响因子:3.9
- 作者:
Linsen Dong;Leonid Polyak;Xiaotong Xiao;Stefanie Brachfeld;Yanguang Liu;Xuefa Shi;Xisheng Fang;Yazhi Bai;Aimei Zhu;Chaoxin Li;Song Zhao;Dong Wu;Chunjuan Wang - 通讯作者:
Chunjuan Wang
Sedimentary Record of Glacial Impacts and Melt Water Discharge off the East Siberian Continental Margin, Arctic Ocean
北冰洋东西伯利亚大陆边缘冰川影响和融水排放的沉积记录
- DOI:
10.1029/2021jc017650 - 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
Song Zhao;Yanguang Liu;Linsen Dong;Xuefa Shi;Leonid Polyak;Xinqing Zou;Weiguo Wang;Dong Wu - 通讯作者:
Dong Wu
Middle to Late Pleistocene Arctic paleoceanographic changes based on sedimentary records from Mendeleev Ridge and Makarov Basin
基于门捷列夫海岭和马卡洛夫盆地沉积记录的中更新世北极古海洋变化
- DOI:
10.1016/j.quascirev.2019.106105 - 发表时间:
2020-01 - 期刊:
- 影响因子:4
- 作者:
Wenshen Xiao;Leonid Polyak;Rujian Wang;Ludvig Löwemark;Jing Mei;Defang You;Weiguo Wang;Li Wu;Xiaobo Jin - 通讯作者:
Xiaobo Jin
Leonid Polyak的其他文献
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{{ truncateString('Leonid Polyak', 18)}}的其他基金
Evaluating Sea-Surface Conditions in the Interglacial Arctic Ocean Using Planktic Foraminiferal Assemblages and Mg/Ca Ratios
使用浮游有孔虫组合和 Mg/Ca 比率评估间冰期北冰洋的海面条件
- 批准号:
1404370 - 财政年份:2014
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Oceanographic and Biological Implications of Arctic Sea-Ice Change: Evidence from Quaternary Benthic Foraminifers
北极海冰变化的海洋学和生物学影响:来自第四纪底栖有孔虫的证据
- 批准号:
1304755 - 财政年份:2013
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Collaborative research: Unraveling the post-Pliocene Arctic Ocean transition to the icehouse climate
合作研究:揭示上新世后北冰洋向冰室气候的过渡
- 批准号:
1003777 - 财政年份:2010
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Collaborative Research: Paleoceanographic constraints on the warming Arctic Ocean
合作研究:古海洋学对北冰洋变暖的限制
- 批准号:
0806999 - 财政年份:2008
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Collaborative research: Investigating Holocene Paleoclimate in the Western Arctic Ocean Using Very High-Resolution Marine Records off Alaska
合作研究:利用阿拉斯加附近的高分辨率海洋记录调查北冰洋西部的全新世古气候
- 批准号:
0612473 - 财政年份:2006
- 资助金额:
$ 13.21万 - 项目类别:
Continuing grant
Collaborative Research: Understanding the Distribution and Stable-Isotopic Composition of Planktonic Foraminifera in the Western Arctic Ocean
合作研究:了解北冰洋西部浮游有孔虫的分布和稳定同位素组成
- 批准号:
0520505 - 财政年份:2005
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Collaborative Research: Trans-Arctic 2005 Expedition for Development of a Pan-Arctic Stratigraphy and Paleoclimate Record
合作研究:2005 年跨北极探险,开发泛北极地层学和古气候记录
- 批准号:
0352359 - 财政年份:2004
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Evaluating the Last Glacial Maximum Ice-Sheet Extent in the Northen Kara Sea and its Effect on the Siberian River Drainage.
评估北喀拉海末次冰期最大冰盖范围及其对西伯利亚河排水的影响。
- 批准号:
0221468 - 财政年份:2002
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
Reconstructing the Limits of the Last Glaciation and Postglacial Environments in the Southeastern Barents and Southwestern Kara Seas
重建巴伦支海东南部和喀拉海西南部末次冰期和冰后环境的界限
- 批准号:
9818247 - 财政年份:1999
- 资助金额:
$ 13.21万 - 项目类别:
Continuing grant
Propagation of the Low 240 Pu/239 Pu Signal From the Southern Barents Sea Into Central Arctic Ocean: A Key to Understanding the Transport of Particle-Reactive Contaminants
低 240 Pu/239 Pu 信号从巴伦支海南部传播到北冰洋中部:了解颗粒反应污染物迁移的关键
- 批准号:
9908871 - 财政年份:1999
- 资助金额:
$ 13.21万 - 项目类别:
Standard Grant
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