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缅甸造山带中缅地球物理探测计划(CMGSMO project)简介
双击自动滚屏 发布者:sal   发布时间:2019-10-27   阅读:542次   【字体:

China-Myanmar Geophysical Survey of the Myanmar Orogen (CMGSMO) project
(PI: Prof.Yu-Mei HE, ymhe@mail.iggcas.ac.cnhttp://sourcedb.igg.cas.cn/en/zjrck/200907/t20090713_2065468.html)

In 2015, Institute of Geology and Geophysics, Chinese Academy of Sciences, incorporating with the Myanmar Geosciences Society, implemented the China-Myanmar Geophysical Survey of the Myanmar Orogen (CMGSMO) project to explore the deep structure beneath Myanmar and understand the continental subduction after continent-continent collision.

During 2016 to 2018, we had deployed 71 temporary seismic stations covering the Central Myanmar from the west to the east (21.6°N to 23.9°N in latitude and 93.1°E to 97.3°E in longitude). The array consists of a dense-deployed linear sub-array and a 2-D backbone network. The east-west trending linear sub-array has 38 stations with average interval of 10-15 km and 400 km long. It traversed the major tectonic unit from Myanmar- India border in the Indo-Burma Ranges (IBR) through the Central Basin (CB) and the Sagaing Fault to Shan Plateau, Myanmar. The backbone 2-D network consists of 33 stations with average spacing of 30-50 km covering the 250 km × 320 km region of the IBR and the CB.

The backbone 2-D network and 13 stations in east-west trending linear sub-array are equipped with the Nanometrics Trillium 120PA broadband sensors with bandwidth from 50 Hz to 120 seconds. The rest stations in the sub-array are equipped with the Guralp CMG-3ESP broadband sensors with bandwidth from 50 Hz to 30/60 seconds. All stations are equipped with the digital data recorders REF TEK 130. A total of 457 gigabyte continuous data are collected during 18 months observation.

The Seismic Array Laboratory will make all CMGSMO data publicly available from Jan. 2022 (three years after the completion of the CMGSMO project).
 
 
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地址:北京市朝阳区北土城西路19号 中国科学院地质与地球物理研究所 《地震台阵探测实验室》 邮 编:100029
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