Auxiliary Experiment for INDEPTH-II - Uppermantle Velocity Anomaly, Shear-Wave Splitting, and Crustal/Mantle Velocity Structures in the Tethyan Himalayas and Southern Tibet

INDEPTH-II 辅助实验 - 特提斯喜马拉雅山和西藏南部的上地幔速度异常、剪切波分裂和地壳/地幔速度结构

• 批准号: 9316814
• 负责人: James Ni
• 金额: $ 23.44万
• 依托单位: New Mexico State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-04-15 至 1999-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9316814&HistoricalAwards=false
• 关键词: Auxiliary; Experiment; INDEPTH; II; Uppermantle

9316358 Ni This is a project to deploy a passive-source broadband seismic array to complement the core reflection profiling experiment (INDEPTH II - a funded CD project) across the Tsangpo Suture in Tibet. The array will be equipped with 12 broadband seismometers contributed by the P.I.'s German colleagues, and will record for 8- 9 months beginning in May, 1994. Although the reflection profiling experiment is expected to image the top of the underthrusting Indian Plate, the behavior of the mantle part of the lithosphere is unknown. The anomalous velocity structure of the upper mantle beneath southern Tibet can be imaged by a passive-source PASSCAL-type experiment. The main objective of the proposed broadband study is to search for the mantle downwelling beneath southern Tibet. ***

小行星9316358 这是一个部署被动源宽带地震台阵的项目，以补充横跨西藏藏布江缝合线的岩心反射剖面实验（INDEPTH II --一个由CD资助的项目）。 该阵列将配备12个宽带地震仪，由P.I.从1994年5月开始，将进行为期8- 9个月的记录。 虽然反射剖面实验预计将成像俯冲印度板块的顶部，岩石圈地幔部分的行为是未知的。 利用被动源PASSCAL型实验，可以获得藏南地区上地幔的异常速度结构。 宽带研究的主要目的是寻找藏南地区的地幔下降流。 ***