Holocene and Glacial Climate Change in the Desert Southwest, USA: New Isotopic Records from Speleothems

美国西南部沙漠的全新世和冰川气候变化:洞穴化石的新同位素记录

基本信息

  • 批准号:
    0318480
  • 负责人:
  • 金额:
    $ 32.49万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2003
  • 资助国家:
    美国
  • 起止时间:
    2003-08-01 至 2007-07-31
  • 项目状态:
    已结题

项目摘要

Climatic extremes in the desert southwest of North America control the availability of water and the sustainability of many human and natural systems. Instrumental records demonstrate significant variability of climate in the past century, particularly related to the El Nino-Southern Oscillation (ENSO) system. Longer records from tree-ring reconstructions reveal the recurrence of significant prolonged (decadal to multidecadal) droughts in recent centuries. Continuous high-resolution records of desert southwest climate on Holocene and glacial time scales are lacking. This award will fund a research program to develop a promising archive of climate information in this region, the records preserved in speleothems (cave deposits). This work will generate the first highly resolved, well-dated, calibrated, replicated records of Holocene and glacial climate in the desert southwest. This work will include expanded speleothem sampling, modern cave monitoring for calibration, improvement of U/Th dating methodologies, and the development and interpretation of new, replicated high-resolution climate records for the Holocene. This work should make important contributions to the reconstructed climatic records of the US desert southwest. Outreach components include the involvement of local cavers, K-12 education, and US Forest Service collaboration.
北美西南部沙漠的极端气候控制着水资源的供应以及许多人类和自然系统的可持续性。仪器记录显示上个世纪气候发生了显着变化,特别是与厄尔尼诺-南方涛动(ENSO)系统有关。树木年轮重建的较长记录揭示了近几个世纪以来严重的长期(十年到数十年)干旱的复发。缺乏全新世和冰川时间尺度上沙漠西南气候的连续高分辨率记录。该奖项将资助一项研究计划,以开发该地区有前途的气候信息档案,这些记录保存在洞穴沉积物中。这项工作将产生第一个高分辨率、日期明确、校准、复制的全新世和西南部沙漠冰川气候记录。这项工作将包括扩大洞穴采样、用于校准的现代洞穴监测、改进 U/Th 测年方法,以及开发和解释全新世的新的、复制的高分辨率气候记录。这项工作将为重建美国西南部沙漠的气候记录做出重要贡献。外展活动包括当地探洞者的参与、K-12 教育和美国林务局合作。

项目成果

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Julia Cole其他文献

A Slow Dance for El Niño
  • DOI:
    10.1126/science.1059111
  • 发表时间:
    2001-02
  • 期刊:
  • 影响因子:
    56.9
  • 作者:
    Julia Cole
  • 通讯作者:
    Julia Cole
The rhythm of the rains
雨的节奏
  • DOI:
    10.1038/4511061a
  • 发表时间:
    2008-02-27
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Jonathan Overpeck;Julia Cole
  • 通讯作者:
    Julia Cole
Dishing the dirt on coral reefs
揭露珊瑚礁的污垢
  • DOI:
    10.1038/421705a
  • 发表时间:
    2003-02-13
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Julia Cole
  • 通讯作者:
    Julia Cole
The rhythm of the rains
雨的节奏
  • DOI:
    10.1038/4511061a
  • 发表时间:
    2008-02-27
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Jonathan Overpeck;Julia Cole
  • 通讯作者:
    Julia Cole
Utilizing tDCS to augment the formation of safety signals for fear inhibition in posttraumatic stress disorder
  • DOI:
    10.1016/j.brs.2023.01.026
  • 发表时间:
    2023-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Mascha van ’t Wout-Frank;Sydney Brigido;Julia Cole;Noah Philip
  • 通讯作者:
    Noah Philip

Julia Cole的其他文献

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{{ truncateString('Julia Cole', 18)}}的其他基金

Collaborative Research: Reconstructing Climate Linkages Across the Tropical Oceans Over the Last Millennium
合作研究:重建过去千年热带海洋的气候联系
  • 批准号:
    2202793
  • 财政年份:
    2022
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Reconciling divergent histories of Eastern Pacific climate with new coral data from Galapagos (Ecuador)
将东太平洋气候的不同历史与加拉帕戈斯群岛(厄瓜多尔)的新珊瑚数据进行协调
  • 批准号:
    1829613
  • 财政年份:
    2018
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Multicentury records of ENSO and rainfall in corals from northern Australia
ENSO 和澳大利亚北部珊瑚降雨的多世纪记录
  • 批准号:
    1851587
  • 财政年份:
    2018
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Multicentury records of ENSO and rainfall in corals from northern Australia
ENSO 和澳大利亚北部珊瑚降雨的多世纪记录
  • 批准号:
    1559323
  • 财政年份:
    2016
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Reconciling divergent histories of Eastern Pacific climate with new coral data from Galapagos (Ecuador)
将东太平洋气候的不同历史与加拉帕戈斯群岛(厄瓜多尔)的新珊瑚数据进行协调
  • 批准号:
    1401326
  • 财政年份:
    2014
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
RAPID: Drought Risk and Low-frequency Hydroclimatic Variability in CMIP5 Simulations
RAPID:CMIP5 模拟中的干旱风险和低频水文气候变化
  • 批准号:
    1127331
  • 财政年份:
    2011
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
P2C2: Hydroclimatic Variability in the Southwest United States: New High-Resolution Speleothem Records of Past Drought
P2C2:美国西南部的水文气候变化:过去干旱的新高分辨率洞穴记录
  • 批准号:
    0903093
  • 财政年份:
    2009
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Sampling Galapagos corals for SST trend reconstruction
对加拉帕戈斯珊瑚进行采样以重建海温趋势
  • 批准号:
    0957881
  • 财政年份:
    2009
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Standard Grant
Deciphering the Ocean's Influence on East African Climate Using Multicentury, Multivariate Coral Records
利用多世纪、多变量的珊瑚记录解读海洋对东非气候的影响
  • 批准号:
    0096319
  • 财政年份:
    2000
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Continuing Grant
CAREER: Decadal Variability in the Tropical Pacific and Indian Oceans -An Interdisciplinary Pathway for Global Change Education and Research
职业:热带太平洋和印度洋的年代际变化——全球变化教育和研究的跨学科途径
  • 批准号:
    9985557
  • 财政年份:
    2000
  • 资助金额:
    $ 32.49万
  • 项目类别:
    Continuing Grant

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魁北克-拉布拉多北部的冰川湖及其对冰川消融晚期和全新世早期气候区间融水排放的贡献
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