课题基金 / 基金详情

Radar Studies of the Bed of an Active Ice Stream

Radar Studies of the Bed of an Active Ice Stream
活动冰流床的雷达研究
批准号:
9018530
负责人:
Charles Bentley
金额:
$30.78万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1991
资助国家:
美国
项目状态:
已结题
起止时间:
1991-05-01 至 1994-04-30

项目摘要

项目成果

Charles Bentley的其他基金

相似基金

相关文献

中文摘要
翻译
该合同支持南极洲冰流B的地面雷达探测项目,其主要目的是确定冰顶、冰底和床顶之间的运动差。这将通过测量与冰床界面的不规则性有关的衍射(“褪色”)图案相对于表面的运动来完成。可以以1米左右的分辨率测量到的差异运动将归因于冰盖内部的剪切变形和其床上的滑动。它还计划确定钻孔地点选择和应变分析的床地形,监测钻孔水层的横向渗透,研究内部分层,并使用短脉冲高分辨率雷达系统绘制近地表裂缝图。
英文摘要
This award supports a ground-based radar sounding program in Antarctica on Ice Stream B with a primary purpose of determining the differential motion between the top of the ice and the base of the ice and the top of the bed. This will be done by measuring the movement, relative to the surface, of diffraction ("fading") patterns associated with irregularities in the ice-bed interface. Differential motion, which can be measured with a resolution of about 1 meter, will be attributable to shear deformation within the ice sheet and sliding on its bed. It is also planned to determine bed topography for drill-hole site selection and strain analyses, monitor drill holes for lateral penetration of water layers, study internal layering, and map near- surface crevasses using a short-pulse, high-resolution radar system.
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
Provision of Ice Drilling Design and Operation Group (IDDOG)
  • 批准号:
    0841135
  • 项目类别:
    Cooperative Agreement
  • 资助金额:
    $1350.33万
  • 财政年份:
    2008
  • 负责人:
    Charles Bentley
  • 依托单位:
Collaborative Project: Ice Drilling Program Office (IDPO)
  • 批准号:
    0841225
  • 项目类别:
    Cooperative Agreement
  • 资助金额:
    $104.19万
  • 财政年份:
    2008
  • 负责人:
    Charles Bentley
  • 依托单位:
Ice Coring and Drilling Services
  • 批准号:
    0003289
  • 项目类别:
    Contract
  • 资助金额:
    $100.0万
  • 财政年份:
    2000
  • 负责人:
    Charles Bentley
  • 依托单位:
Radar Investigations of Former Shear Margins: Roosevelt Island and Ice Stream C
  • 批准号:
    9615322
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $20.0万
  • 财政年份:
    1997
  • 负责人:
    Charles Bentley
  • 依托单位:
海外基金