Holocene Glaciation of the Southern Kenai Mountains, Alaska

阿拉斯加基奈山脉南部的全新世冰川

基本信息

  • 批准号:
    8922696
  • 负责人:
  • 金额:
    $ 25.57万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1990
  • 资助国家:
    美国
  • 起止时间:
    1990-04-01 至 1994-09-30
  • 项目状态:
    已结题

项目摘要

This research will investigate the patterns and timing of latest Pleistocene deglaciation and particularly of Holocene climatic change as recorded in fluctuations of glaciers on the Kenai Peninsula, southwest Alaska. Work will focus in the landfast glaciers, which here lack evidence of irregular flow and which may be expected to have experienced cycles of advance and retreat similar to those that are widely recorded in Alaska, but with variations reflecting individual aspect, position and hypsometry. Calving outlet glaciers in the Kenai Fjords National Park, by contrast, have displayed prolonged advanced followed by dramatic retreat in cycles dominated by such factors as fjords depth and configuration, water circulation, and ice-marginal sediment accumulation. Evaluation of moraine modification as well as the methods of radiocarbon dating, tephrochronology, lichenomentry and dendrochronology, will be critically applied in building the glacial chronology. Because most of the ice tongues end in forested areas, tree-ring dating of surfaces and selective cross-dating of living trees with buried wood may be a particularly powerful dating tool.
这项研究将调查最新的模式和时间 更新世冰消作用,特别是全新世气候 基奈冰川波动记录的变化 阿拉斯加西南部的半岛。 工作将集中在陆地上 冰川,这里缺乏不规则流动的证据, 可能会经历前进和后退的周期 类似于那些在阿拉斯加被广泛记录,但与 反映个人方面,位置和高度的变化。 在基奈峡湾国家公园, 对比之下,显示出长期的先进,其次是戏剧性的 海湾深度等因素控制的周期性后退, 形态、水循环和冰缘沉积 积累 冰碛物改性的评价以及 放射性碳定年法、火山灰年代学、地衣体记录法 和树木年代学,将被严格应用于建设 冰川年代学 因为大部分冰舌的末端 森林地区,树木年轮表面和选择性 活树与埋木的交叉年代测定可能是一种 特别强大的约会工具

项目成果

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Parker Calkin其他文献

Parker Calkin的其他文献

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{{ truncateString('Parker Calkin', 18)}}的其他基金

Collaborative Research: Tree-Ring Based Records of Temperature and Glacial Fluctuation Spanning the Past Two Millennia, Prince William Sound, Alaska
合作研究:基于树木年轮的过去两千年的温度和冰川涨落记录,阿拉斯加威廉王子湾
  • 批准号:
    9905493
  • 财政年份:
    1999
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Continuing Grant
Collaborative Research: West Antarctic Ice Sheet Stability: The Late Quaternary Glacial Record from Nunataks and Coastal Mountains
合作研究:南极西部冰盖稳定性:努纳塔克群岛和沿海山脉的晚第四纪冰川记录
  • 批准号:
    9408080
  • 财政年份:
    1994
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Standard Grant
Reconstruction of the Subarctic Climatic History and High Resolution Dating of Glacier Fluctuations Using Tree-Ring Analysis at Yakutat and Icy Bays, Alaska
利用阿拉斯加雅库塔特和冰湾的年轮分析重建亚北极气候历史和冰川波动的高分辨率测年
  • 批准号:
    9321213
  • 财政年份:
    1994
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Continuing Grant
Holocene Glaciation of Southwestern Seward Peninsula, Alaska
阿拉斯加苏厄德半岛西南部的全新世冰川作用
  • 批准号:
    8412897
  • 财政年份:
    1985
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Continuing Grant
Holocene Glaciation of the Brooks Range, Alaska
阿拉斯加布鲁克斯山脉的全新世冰川
  • 批准号:
    8020090
  • 财政年份:
    1981
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Continuing Grant
Past and Present Hydrologic Regimes in a Permafrost Environment, Atigun Pass, Brooks Range, Alaska
永久冻土环境中过去和现在的水文状况,阿提贡山口,布鲁克斯山脉,阿拉斯加
  • 批准号:
    7819982
  • 财政年份:
    1979
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Continuing Grant
Past and Present Hydrologic Regimes in a Permafrost Environment, Atigun Pass, Brooks Range, Alaska
永久冻土环境中过去和现在的水文状况,阿提贡山口,布鲁克斯山脉,阿拉斯加
  • 批准号:
    7619575
  • 财政年份:
    1976
  • 资助金额:
    $ 25.57万
  • 项目类别:
    Standard Grant

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南部科迪勒拉冰盖(不列颠哥伦比亚省弗雷泽低地)中更新世中晚期冰川作用历史的重建——一种地球化学方法。
  • 批准号:
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合作研究:整合始新世鲨鱼古生态学和气候模型来揭示南大洋环流和南极冰川作用
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合作研究:整合始新世鲨鱼古生态学和气候模型来揭示南大洋环流和南极冰川作用
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