A Three-Dimensional Gravity Analysis of the East Pacific Rise from 18 Degrees to 22 Degrees South

东太平洋从南纬 18 度上升到南纬 22 度的三维重力分析

• 批准号: 9013152
• 负责人: Kenneth Macdonald
• 金额: --
• 依托单位: University of California-Santa Barbara
• 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: 1991-06-15 至 1994-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9013152&HistoricalAwards=false
• 关键词: Three; Dimensional; Gravity; Analysis; East

Abstract Gravity data collected by the PI during a SeaMARC II program on the East Pacific Rise, together with data collected during earlier studies, provide the basis of an ideal gravity survey of an ultra- fast spreading ridge. The main goal of this renewal proposal is to determine if "bull's eye" gravity lows or other along-axis variations in the gravity field occur at such ultra-fast spreading rates in the South Pacific. This study will provide the support for completion of a PhD thesis and complements work done by the student earlier on crustal thinning near Atlantic transform faults.

摘要PI在东太平洋海隆SeaMARC II计划期间收集的重力数据，以及在早期研究期间收集的数据，为超快速扩张脊的理想重力调查提供了基础。这一更新建议的主要目标是确定南太平洋是否会出现“靶心”重力低或重力场的其他沿轴变化。这项研究将为博士论文的完成提供支持，并补充学生早些时候在大西洋转换断层附近地壳变薄方面所做的工作。