Collaborative Research: Long Term Sublimation/Preservation of Two Separate, Buried Glacier Ice Masses, Ong Valley, Southern Transantarctic Mountains
合作研究:跨南极山脉南部翁谷两个独立的埋藏冰川冰块的长期升华/保存
基本信息
- 批准号:1445169
- 负责人:
- 金额:$ 10.02万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-11-01 至 2022-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Putkonen/1445205This award supports the study of a large body of ice that is buried beneath approximately a meter of debris in the Ong Valley of the Transantarctic Mountains of East Antarctica. Preliminary analyses of this material suggest that it could be over a million years old. Most glacial ice contains tiny air bubbles that have trapped the atmospheric gases and other atmospherically transported materials existing at the time that the ice was deposited such as plant pollen, microbes and mineral dust. Samples will be collected from this buried ice mass, down to a depth of 10 meters, and cosmogenic nuclide concentrations both in the overlying debris and in the till contained in the ice will be measured. This site could contain some of the oldest ice on Earth and studies of the material contained within it may help researchers to better understand the processes involved in its survival for such long periods of time. This work will also help inform scientists about the processes involved in the development of landforms here on earth as well as those on Mars where similar dirt covered glaciers are found today.Samples of the buried ice will be collected in Ong Valley and analyzed to determine the cosmogenic nuclide concentrations in both the overlying debris and in the mineral matter suspended in the ice. The combined analysis of the target cosmogenic nuclides (Beryllium-10, Aluminum-26, and Neon-21) will allow the age of the ice to be uniquely determined and will enable determination of the rate that the ice is sublimating. The intellectual merit of this research is to unequivocally determine the age of the ice and the sublimation rate of the ice in Ong Valley, Antarctica and to better understand if this an uniquely Antarctic process or whether it could exist elsewhere on earth or on other planets. The work may also lead to the recognition of the oldest buried ice ever found on Earth and would provide a source from which direct information about the atmospheric chemistry, ancient life forms, and geology of that time could be measured. The broader impacts of this work are that it will be relevant to researchers in a number of different fields including glaciology, paleoclimatology, planetary geology, and biology. Several students will also participate in the project, conducting Antarctic field work, making measurements in the lab, attending meetings, participating in outreach activities, and producing videos. A graduate student will also write a thesis on this research. The results will be published in scientific journals and presented at conferences. The project requires field work in Antarctica.
Putkonen/1445205这项奖项支持对大型冰的研究,该冰块被埋在东南极洲跨北极山脉的Ong Valley大约一米的碎屑下。对该材料的初步分析表明,它可能已经超过一百万年了。 大多数冰川冰都包含微小的气泡,这些气泡已将大气气体和其他大气运输的材料困住了,当时冰被沉积了,例如植物花粉,微生物和矿物灰尘。 样品将从该埋入的冰块中收集到10米的深度,并且将测量上覆碎片中的宇宙核素浓度,并在冰中含有的底部。该地点可能包含地球上最古老的冰,对其中包含的材料的研究可能有助于研究人员更好地了解其长期生存的过程。这项工作还将有助于向科学家告知科学家,以及今天发现类似污垢覆盖冰川的火星上涉及的过程。将在Ong Valley中收集埋藏冰的样本并进行分析,以确定在矿物质和冰块中的宇宙基因核素浓度。对靶宇宙核素(Beryllium-10,Aluminum-26和Neon-21)的综合分析将使冰的年龄唯一确定,并能够确定冰的升华速率。这项研究的智力优点是明确确定冰的年龄和Ong Valley,Antarctica中冰的升华率,并更好地理解这是一个独特的南极过程,还是它在地球其他地方还是其他行星上存在。 这项工作还可能导致人们认识到地球上发现的最古老的掩埋冰,并将提供有关大气化学,古代生命形式和当时地质的直接信息的来源。 这项工作的广泛影响是,它将与许多不同领域的研究人员有关,包括冰川学,古气候学,行星地质学和生物学。几个学生还将参加该项目,进行南极现场工作,在实验室中进行测量,参加会议,参加外展活动并制作视频。研究生还将写一篇关于这项研究的论文。 结果将在科学期刊上发表,并在会议上介绍。该项目需要在南极洲进行现场工作。
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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Daniel Morgan其他文献
Max Ophuls and the Limits of Virtuosity: On the Aesthetics and Ethics of Camera Movement
马克斯·奥菲尔斯和精湛技艺的极限:论摄影机运动的美学和伦理
- DOI:
10.1086/661646 - 发表时间:
2011 - 期刊:
- 影响因子:1.7
- 作者:
Daniel Morgan - 通讯作者:
Daniel Morgan
Face Feature Change Detection Ability in Developmental Prosopagnosia and Super-Recognisers
发育性脸盲症和超级识别器中的面部特征变化检测能力
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Jodie Davies;Daniel Morgan;Josh P. Davis;John R. Towler - 通讯作者:
John R. Towler
123: Impact of Urinary Incontinence Severity on Mental Health
- DOI:
10.1016/s0022-5347(18)37385-3 - 发表时间:
2004-04-01 - 期刊:
- 影响因子:
- 作者:
Yvonne Hsu;Daniel Morgan;John McGuire;Rodney L. Dunn;Susan Nagel;Dee Fenner;John O. De Lancey;Edward J. McGuire;John T. Wei - 通讯作者:
John T. Wei
Medicolegal Death Investigation of Sudden Unexpected Infant Deaths.
婴儿意外死亡的法医学死亡调查。
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:1.1
- 作者:
R. A. Mitchell;C. DiAngelo;Daniel Morgan - 通讯作者:
Daniel Morgan
Astral Sciences in Early Imperial China
中国早期的星体科学
- DOI:
10.1017/9781316488270 - 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Daniel Morgan - 通讯作者:
Daniel Morgan
Daniel Morgan的其他文献
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{{ truncateString('Daniel Morgan', 18)}}的其他基金
Unlocking the Glacial History of the McMurdo Dry Valleys, Antarctica by Fingerprinting Glacial Tills with Detrital Zircon U-Pb Age Populations
通过用碎屑锆石 U-Pb 年龄种群对冰川碴进行指纹识别,解开南极洲麦克默多干谷的冰川历史
- 批准号:
1842542 - 财政年份:2019
- 资助金额:
$ 10.02万 - 项目类别:
Standard Grant
Kant's Moral Psychology of the Will
康德的意志道德心理学
- 批准号:
AH/E504493/1 - 财政年份:2007
- 资助金额:
$ 10.02万 - 项目类别:
Research Grant
An Updated Assessment of Atomic, Molecular, and Optical Physics
原子、分子和光学物理的最新评估
- 批准号:
9812262 - 财政年份:1999
- 资助金额:
$ 10.02万 - 项目类别:
Standard Grant
1998 Solid State Sciences Forum, Washington, D.C., Fall 1998
1998 年固体科学论坛,华盛顿特区,1998 年秋季
- 批准号:
9802308 - 财政年份:1998
- 资助金额:
$ 10.02万 - 项目类别:
Standard Grant
Support of the Committee on Atomic, Molecular, and Optical Sciences
原子、分子和光学科学委员会的支持
- 批准号:
9724784 - 财政年份:1998
- 资助金额:
$ 10.02万 - 项目类别:
Continuing Grant
An Assessment of Condensed Matter and Materials Physics
凝聚态和材料物理的评估
- 批准号:
9632837 - 财政年份:1996
- 资助金额:
$ 10.02万 - 项目类别:
Standard Grant
Partial Support of the Plasma Science Committee
等离子体科学委员会的部分支持
- 批准号:
9514768 - 财政年份:1996
- 资助金额:
$ 10.02万 - 项目类别:
Continuing Grant
NAS: 1996 Forum of the Solid State Sciences Committee, Washington, DC; February, 1996
NAS:1996 年固体科学委员会论坛,华盛顿特区;
- 批准号:
9531156 - 财政年份:1996
- 资助金额:
$ 10.02万 - 项目类别:
Standard Grant
Support of Solid State Sciences Committee
固体科学委员会的支持
- 批准号:
9408495 - 财政年份:1994
- 资助金额:
$ 10.02万 - 项目类别:
Continuing Grant
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