Joint U.K./U.S.-Controlled Source E.M. Experiment over the Reykjanes Ridge

英国/美国在雷克雅内斯山脊联合控制源电磁实验

• 批准号: 9102551
• 负责人: Steven Constable
• 金额: $ 18.44万
• 依托单位: University of California-San Diego Scripps Inst of Oceanography
• 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
• 起止时间: 1991-09-01 至 1995-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9102551&HistoricalAwards=false
• 关键词: Joint; U.K.; U.S.; Controlled; Source

This is a project to conduct a combined seismic and electromagnetic study of the axial volcanic region of a section of the Reykjanes Ridge using the resources of Cambridge and Durham Universitites (UK), Flinders University (Australia), and Scrips Institution of Oceanography (US). The Study will use (1) wide angle seismic profiles along and across an axial volcanic ridge to determine the crustal structure, (2) a detailed electromagnetic sounding experiment centered on the ridge to determine crustal electrical conductivity structure, and (3) an array of long.antenna electric field instruments and magnetometers to determine the deeper conductivity structure in the mantle beneath the ridge axis by both controlled and natural source electromagnetic sounding.

该项目利用剑桥大学和达勒姆大学（英国）、弗林德斯大学（澳大利亚）和斯克里普斯海洋学研究所（美国）的资源，对雷克雅内斯山脊的一段轴向火山区域进行地震和电磁联合研究。该研究将使用（1）沿着和穿过轴向火山脊的广角地震剖面来确定地壳结构，（2）以火山脊为中心的详细电磁测深实验来确定地壳电导率结构，以及（3）一系列长天线电场仪器和磁力计，通过受控源和自然源来确定山脊轴下方地幔中更深的电导率结构 电磁探测。