COLLABORATIVE RESEARCH: High Resolution, Interdisciplinary Paleoclimatic Studies of Late Quaternary Lacustrine Systems in Mongolia

合作研究:蒙古晚第四纪湖泊系统的高分辨率、跨学科古气候研究

基本信息

  • 批准号:
    9709343
  • 负责人:
  • 金额:
    $ 9.6万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1998
  • 资助国家:
    美国
  • 起止时间:
    1998-01-01 至 2001-12-31
  • 项目状态:
    已结题

项目摘要

9709343 Williams This Proposal requests a three year award to do high-resolution, interdisciplinary studies of Late Quaternary paleoclimate change as recorded in lacustrine sediment from Lakes Telmen and Dood Mongolia. During the first two years, a lake coring and catchment sediment and soil sampling program will take place during the summer, when access to these lakes is possible. The proposed paleoclimate study is system-wide in scope, interdisciplinary in approach and located in a region of the Earth that is little studied but important to global climate (Webb et al., 1993). This project closely follows the guidelines of the USGCRP and PAGES programs and will contribute to greater coverage of the PEP-II Asian transect of PAGES/IGBP (Eddy, 1992). This study will also aid the ongoing Baikal Drilling Project efforts to recover paleoclimate change from Baikal sediments (Williams et al., 1997) by providing higher resolution records from the same region. Because small Mongolian lakes have accumulation rates approximately 5 times that of Lake Baikal (Sevastyanov et al., 1989; Colman et al., 1996), it will be possible to obtain a climate record with centennial to decadal resolution from the proposed Mongolian lake sites Through coordinated analysis of multiple climate proxies, including rock-magnetics, palynology, geochemistry, diatoms, biogenic silica and detailed lithostratigraphy, this study will provide insight into orbital and internal forcing mechanisms of the Asian Monsoon, abrupt climate change (e.g., Younger Dryas, Little Ice Age), and ecosystem change in Mongolia and provide a means of testing climate models (e.g., COHMAP). Quantification of humid and arid intervals in the sediment record will further understanding of the evolution/intensification of the Asian monsoon since the last glacial maximum and of variations in the transport of Atlantic air masses (Gasse et al., 1991; Kutzbach et al., 1993; Gasse and Van Campo, 1994; Weijian et al., 1996; Karabanov et al., submitted). Regional studies of Late Quaternary climate change are often truncated at the Mongolian border (Velichko, 1984; Winkler and Wang, 1993; Peterson et al., 1993) because political borders provide convenient boundaries for regional syntheses and paleoclimate data from Mongolia is limited (see Fig. 1 in COHMAP members, 1988; Harrison et al., 1996). However, the climate in the Mongolian region represents an important transition from the subarctic in the north (Russia) to desert in the south (Gobi of Mongolia/China). The results of the proposed study will help link the better studied region to the south (Winkler and Wang, 1993) to the existing network of lake paleoclimate records in Russia (Velichko, 1984; Harrison et al., 1996) and the new paleoclimate studies from Lake Baikal (Williams et al., 1997) along the PEP-II transect. A secondary but important objective of the proposed work is to provide geomagnetic records of direction and relative intensity (Thompson 1984; King et al., 1983; Tauxe, 1993). These geomagnetic records will fill an important gap in the global distribution of such records, contribute to a better understanding of the nature of the geodynamo, and in conjunction with the Lake Baikal geomagnetic record (Peck et al., 1996), begin to form a regional master geomagnetic curve that can be used for correlation and dating in future studies of lake and loess sediments in central Asia
威廉姆斯9709343 该提案要求提供一个为期三年的奖项,对Telmen湖和Dood蒙古湖的湖泊沉积物中记录的晚第四纪古气候变化进行高分辨率的跨学科研究。 在头两年期间,将在夏季进行湖泊取芯和集水区沉积物和土壤取样方案,届时可以进入这些湖泊。 拟议的古气候研究在范围上是全系统的,在方法上是跨学科的,并且位于地球上很少研究但对全球气候很重要的区域(Webb等人,1993年)。 该项目严格遵循USGCRP和PAGES计划的指导方针,并将有助于扩大PAGES/IGBP PEP-II亚洲样带的覆盖范围(Eddy,1992年)。 这项研究还将有助于正在进行的贝加尔湖钻探项目,从贝加尔湖沉积物中恢复古气候变化(威廉姆斯等人,1997年),通过提供来自同一地区的更高分辨率记录。 由于蒙古小型湖泊的蓄积率约为贝加尔湖的5倍(Sevastyanov等人,1989; Colman等人,1996年),将有可能从拟议的蒙古湖站点获得百年至十年分辨率的气候记录 通过对岩石磁学、孢粉学、地球化学、硅藻、生物硅和详细的岩石地层学等多个气候代用指标的协调分析,这项研究将深入了解亚洲季风的轨道和内部强迫机制,气候突变(例如,新仙女木、小冰期)和蒙古的生态系统变化,并提供了测试气候模型的手段(例如,COHMAP)。 对沉积物记录中潮湿和干旱间隔的量化将进一步了解自末次盛冰期以来亚洲季风的演变/加强以及大西洋气团输送的变化(Gasse等人,1991; Kutzbach等人,1993; Gasse和货车Campo,1994; Weijian等人,1996; Karabanov等人,提交)。 晚第四纪气候变化的区域研究往往在蒙古边界被截断(Velichko,1984年; Winkler和Wang,1993年; Peterson等人,1993年),因为政治边界为区域综合提供了方便的边界,而蒙古的古气候数据有限(见COHMAP成员,1988年的图1; Harrison等人,1996年)。 然而,蒙古地区的气候代表了从北部(俄罗斯)的亚北极到南部(蒙古/中国的戈壁)的沙漠的重要过渡。 拟议研究的结果将有助于将南部研究得更好的地区(Winkler和Wang,1993年)与俄罗斯现有的湖泊古气候记录网络(Velichko,1984年; Harrison等人,1996年)和贝加尔湖的新古气候研究(威廉姆斯等人,沿着PEP-II样带。 所提出的工作的次要但重要的目标是提供方向和相对强度的地磁记录(Thompson 1984; King等人,1983; Tauxe,1993)。 这些地磁记录将填补此类记录全球分布的重要空白,有助于更好地了解地球发电机的性质,并与贝加尔湖地磁记录(Peck等人,1996),开始形成区域性的主地磁曲线,可用于今后中亚湖泊和黄土沉积物的对比和定年研究

项目成果

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Douglas Williams其他文献

Web Surveys by Smartphones and Tablets
通过智能手机和平板电脑进行网络调查
  • DOI:
    10.1177/0894439317719438
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    4.1
  • 作者:
    R. Tourangeau;Hanyu Sun;Ting Yan;Aaron Maitland;Gonzalo Rivero;Douglas Williams
  • 通讯作者:
    Douglas Williams
Therapeutic electromagnetic field effects on angiogenesis and tumor growth.
治疗性电磁场对血管生成和肿瘤生长的影响。
  • DOI:
  • 发表时间:
    2001
  • 期刊:
  • 影响因子:
    2
  • 作者:
    C. D. Willtams;Marko S. Markov;W. Hardman;Ivan L Cameron;Douglas Williams
  • 通讯作者:
    Douglas Williams
No End In Sight
  • DOI:
    10.1021/cen-v038n016.p125
  • 发表时间:
    2006-10
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Douglas Williams
  • 通讯作者:
    Douglas Williams
Correction to: Trials with patient-reported outcomes registered on the Australian New Zealand Clinical Trials Registry (ANZCTR)
  • DOI:
    10.1007/s11136-018-1934-0
  • 发表时间:
    2018-07-16
  • 期刊:
  • 影响因子:
    2.700
  • 作者:
    Rebecca Mercieca-Bebber;Douglas Williams;Margaret-Ann Tait;Jessica Roydhouse;Lucy Busija;Chindhu Shunmuga Sundaram;Michelle Wilson;Ailsa Langford;Claudia Rutherford;Natasha Roberts;Madeleine King;Elisabeth Vodicka;Beth Devine
  • 通讯作者:
    Beth Devine
Phase II feasibility study of rekindle: An online psychosexual intervention for cancer survivors and/or their partners.
rekindle的第二阶段可行性研究:针对癌症幸存者和/或其伴侣的在线性心理干预。
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Catalina R Lawsin;K. McGeechan;Douglas Williams;P. Butow;I. Juraskova;K. Hobbs;F. Boyle;J. Kay;Annie Miller;H. Dhillon
  • 通讯作者:
    H. Dhillon

Douglas Williams的其他文献

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{{ truncateString('Douglas Williams', 18)}}的其他基金

RCN-UBE Incubator: Integrating Bio-inspired Innovation into Life Science Education Through Interdisciplinary Communities of Practice
RCN-UBE孵化器:通过跨学科实践社区将仿生创新融入生命科学教育
  • 批准号:
    2217189
  • 财政年份:
    2022
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
ChangeMaker K12: A Digital Platform for Supporting Elementary Preservice Teachers in Teaching Engineering and Human-centered Design
ChangeMaker K12:支持小学职前教师教学工程和以人为本的设计的数字平台
  • 批准号:
    2044358
  • 财政年份:
    2021
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
EAGER:Maker: Making Inspired by Nature: Digital Tools and Activities for Supporting Pre-service Elementary Teachers in Applying Biomimicry in a Maker-centered Classroom
EAGER:创客:受自然启发的制作:支持职前小学教师在以创客为中心的课堂中应用仿生学的数字工具和活动
  • 批准号:
    1723677
  • 财政年份:
    2017
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
TIES: a Transfer Initiative for Engineering Scholars
TIES:工程学者转学计划
  • 批准号:
    0849984
  • 财政年份:
    2009
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Continuing Grant
The Arctic and Global Change: Informal Science Education Opportunities
北极与全球变化:非正式科学教育机会
  • 批准号:
    0336928
  • 财政年份:
    2004
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
A Proposal to Create an Online, Student Managed Journal for Undergraduate Research in Marine and Aquatic Sciences
为海洋和水生科学本科研究创建在线学生管理期刊的提案
  • 批准号:
    0122065
  • 财政年份:
    2001
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
Collaborative Research: Lake Baikal Drilling Project: High Resolution Studies of Paleoclimate Change in South-Central Siberia During the Plio-Pleistocene
合作研究:贝加尔湖钻探项目:上里奥-更新世期间西伯利亚中南部古气候变化的高分辨率研究
  • 批准号:
    9614770
  • 财政年份:
    1997
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Continuing Grant
Science Planning Workshop for Research Opportunities in the Republic of Mongolia
蒙古共和国研究机会科学规划研讨会
  • 批准号:
    9530886
  • 财政年份:
    1995
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant
Collab. Research: Baikal Drilling Project: Late Neogene History of Climate Change and Tectonics of Southeastern Siberia
合作。
  • 批准号:
    9317204
  • 财政年份:
    1994
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Continuing Grant
Acquisition of a Mass Spectrometry Facility for Global Change Research
收购用于全球变化研究的质谱设备
  • 批准号:
    9413957
  • 财政年份:
    1994
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Standard Grant

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