Thermal Structure of the Cascadia Subduction Zone, Grays Canyon Discovery Corridor, Washington

华盛顿州格雷斯峡谷探索走廊卡斯卡迪亚俯冲带的热结构

• 批准号: 1249552
• 负责人: Robert Harris
• 金额: $ 3.92万
• 依托单位: Oregon State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-03-15 至 2015-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1249552&HistoricalAwards=false
• 关键词: Thermal; Structure; Cascadia; Subduction; Zone

Heatflow measurements using a 3.5 m probe will be added to a scheduled experiment "Thermal structure of the cascadia subduction zone on the WA margin (PIs Johnson & Solomon, OCE-1144164). The probe temperature and thermal conductivity measurements will enhance the ~1 m depth heatflow determinations the main experiment will obtain. Improved assessment of possible bottom water temperature variation will be documented by deviations from linearity in the uppermost thermal gradient measured by the probe. One day of shiptime to conduct heat probe work is confirmed, a second day is requested if ship schedule allows. Postcruise numerical modeling of these data aims to constrain temperature structure extending down to the subducting plate interface, which is related to deep seismicity patterns.

使用3.5 m探测器的热量测量将添加到计划的实验中：“在WA边缘上卡斯卡迪亚俯冲带的热结构（Pis Johnson＆Solomon，OCE-1144164）。探头温度和热导率测量值将通过〜1 M深度的测量来提高〜1 M的深度测定。在探针测量的最上面的热梯度中，确认进行热探头工作，如果船舶时间表允许，请要求第二天。