Seismic-Wave Strain, Rotation, and Gradiometry for the 4 March 2008 TAIGER Explosions

地震学 地质学 旋转(数学) 拉伤 大地测量学 几何学 数学 解剖 生物
作者
Charles A. Langston,W. H. K. Lee,Chin‐Jen Lin,C. C. Liu
出处
期刊:Bulletin of the Seismological Society of America [Seismological Society of America]
卷期号:99 (2B): 1287-1301 被引量:24
标识
DOI:10.1785/0120080200
摘要

Abstract Acceleration spatial gradients, horizontal strains, and horizontal rotation were computed using strong-motion array data from the 4 March 2008 TAIGER explosions in northeastern Taiwan and used in conjunction with the original three component acceleration data to perform a gradiometric analysis of the strong ground motion wave train. The analysis yields a complex, frequency-dependent view of the nature of seismic-wave propagation over short propagation distances that imply significant lateral velocity changes in structure. Areal strain and rotation about the vertical axis have equal amplitudes and suggest significant wave scattering within the confines of the river valley where the experiment was performed and/or significant departure from an axisymmetric explosion source. Gradiometry shows that the P wave arrives at the array 35° off-azimuth clockwise from the straight-line path and appears to have been refracted from the northern side of the valley. Large, slowly propagating secondary surface waves initially arrive 45° counterclockwise from the straight-line path but later arrivals are seen to propagate in all directions, including back toward the explosion source. A frequency-dependent radiation pattern for the triple-borehole explosion in comparison to the single-borehole explosion explains the differences in the maximum amplitudes between the sources seen in the acceleration data. The use of seismic strain and rotation with standard particle motion wave fields at a single location allows for a direct view of seismic-wave propagation that illuminates the true nature of the seismogram.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
小敏哼发布了新的文献求助10
刚刚
冯冯申博了么完成签到,获得积分10
刚刚
Dky_安静的初夏应助777采纳,获得10
刚刚
刚刚
冷酷的寒烟完成签到 ,获得积分10
刚刚
DONGmumu发布了新的文献求助10
1秒前
zhaoyuyuan发布了新的文献求助10
1秒前
彭于晏应助抹茶夏天采纳,获得30
1秒前
盖盖完成签到,获得积分10
2秒前
2秒前
专注的乐荷关注了科研通微信公众号
2秒前
朴素的不乐完成签到 ,获得积分10
2秒前
2秒前
syx发布了新的文献求助10
3秒前
郑偏偏发布了新的文献求助10
3秒前
完美世界应助庄冬丽采纳,获得10
4秒前
4秒前
vv123456ha完成签到,获得积分10
4秒前
甜心院士发布了新的文献求助20
5秒前
5秒前
6秒前
独特冰安发布了新的文献求助10
6秒前
东北卖蛤应助旷野采纳,获得10
6秒前
老阎应助竹叶青采纳,获得30
6秒前
6秒前
wl20130000完成签到,获得积分10
6秒前
范啦啦啦完成签到,获得积分10
7秒前
7秒前
呵呵完成签到,获得积分10
7秒前
含糊的寇完成签到,获得积分10
7秒前
盖盖发布了新的文献求助10
8秒前
小蘑菇应助lll采纳,获得10
8秒前
8秒前
小美最棒完成签到,获得积分10
8秒前
9秒前
9秒前
华仔应助战战采纳,获得10
9秒前
科目三应助完美的流沙采纳,获得10
9秒前
lsc完成签到,获得积分10
9秒前
传奇3应助fed采纳,获得10
9秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Picture Books with Same-sex Parented Families: Unintentional Censorship 500
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
A Preliminary Study on Correlation Between Independent Components of Facial Thermal Images and Subjective Assessment of Chronic Stress 500
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 360
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3970843
求助须知:如何正确求助?哪些是违规求助? 3515550
关于积分的说明 11178897
捐赠科研通 3250660
什么是DOI,文献DOI怎么找? 1795393
邀请新用户注册赠送积分活动 875828
科研通“疑难数据库(出版商)”最低求助积分说明 805188