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CAP方法反演2016年唐山ML4.3地震震源机制解
唐山地震 CAP方法 震源机制解 余震
2019/1/4
利用河北台网及临近区域台网的地震波形资料，采用CAP方法反演了2016年9月10日河北唐山ML4.3地震的震源机制解和震源深度并将反演结果作为已知输入，利用F-K方法计算理论地震波形，与观测记录进行对比，以验证结果的可靠性。结果显示，此次唐山地震为右旋-正倾断层，矩震级为4.4，最佳双力偶解为节面I：走向238.0°，倾角44.0°，滑动角-143.0°；节面Ⅱ：走向119.5°，倾角65.3°，...
The temporal and spatial variations of low frequency geomagnetic pulsations at polar cusp and cap latitudes
Geomagnetic pulsations Antartica
2015/10/8
Geomagnetic field measurements at two Antarctic stations are compared during two weeks in the local summer (January 1-15, 1992). Low frequency (0.6-6 mHz) pulsations are observed at each station near ...
Imaging of fast moving electron-density structures in the polar cap
polar cap ionosphere data analysis inverse theory ionospheric storms
2015/9/2
The imaging of fast-moving electron-density structures in the polar cap presents a unique set of challenges that
are not encountered in other ionospheric imaging problems. GPS observations of total e...
Low frequency geomagnetic field fluctuations at cap and low latitude during October 29-31,2003
magnetospheric ULF waves sun-earth interaction polar cap
2015/9/2
On October-November 2003 complex interplanetary structures, originated by a series of solar eruptions, hit the Earth, triggering violent Sun-Earth connection events. In this paper we analyze the low f...
利用区域波形数据使用CAP方法反演中强地震的震源机制正逐渐得到广泛应用.本文以胶东半岛近期发生的两次显著中等地震为例,讨论了使用CAP方法反演震源机制时的误差估计,展示了反演结果的不确定性分析过程.2013年11月23日和2014年1月7日在山东莱州和乳山分别发生了M4.6和M4.3级中等地震,两次事件均造成了较大影响.我们基于CAP方法,使用自助抽样(bootstrap)技术多次重复反演过程,得...
Origin of giant wave ripples in snowball Earth cap carbonate
Origin of giant wave ripples snowball Earth cap carbonate
2014/4/8
The most extreme climate transitions in Earth history are recorded by the juxtaposition of Neoproterozoic glacial deposits with overlying cap carbonate beds. Some of the most remarkable sedimentary st...
Afternoon Absorption and the Rotation of the Polar Cap Convection Pattern
Afternoon Absorption Rotation Polar Cap Convection Pattern
2009/6/15
Afternoon Absorption and the Rotation of the Polar Cap Convection Pattern.