SGER: Kilauea Volcano Dynamics from Microgravity Pilot Project
SGER: Kilauea Volcano Dynamics from Microgravity Pilot Project
批准号:
0729139
负责人:
Anahita Tikku
金额:
$0.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2007
资助国家:
美国
项目状态:
已结题
起止时间:
2007-04-01 至 2008-09-30
中文摘要
重力和地震学经常被用作火山监测的预测工具,但通常没有结合起来。该SGER项目将调查可能对监测有用但迄今为止受到的关注相对较少的重力和地震信号:连续微重力和地震发射。研究人员的假设是,由于两者都与变形有关(尽管在不同的时间尺度上),因此两者之间可能存在相关性,并且对两种信号的组合分析将是比任何一种单独更有效的预测工具。不同构造环境中地震辐射和全球定位系统(GPS)之间的类似相关性也提供了动力。他们将研究基拉韦厄火山的山顶火山口。特别是,有大量的证据表明,活跃的流体流动,以及记录的瞬态变形事件,非常长的周期地震活动,地震震颤。他们将收集连续的相对重力和GPS数据,并结合地震信息进行分析。如果成功,这项工作可能会引发人们对扩展微重力阵列和更全面的地震分析的兴趣。该项目将支持一个新的,女研究员,本科生的研究经验,并带来新的见解火山灾害。
英文摘要
Gravity and seismology are often used as predictive tools in volcano monitoring, but usually are not integrated. This SGER project will investigate gravity and seismic signals that are potentially useful for monitoring but thus far have received relatively little attention: continuous microgravity and seismic emissions. The researchers' hypothesis is that, because both are deformation related (albeit at different time scales) there could be a correlation between the two, and that combined analysis of the two signals will be a more effective predictive tool than either one is alone. Analogous correlations between seismic emissions and global positioning system [GPS] in different tectonic environments provide motivation as well. They will study the summit crater of Kilauea volcano. In particular, there is abundant evidence for active fluid flow well documented as transient deformation events, very long period seismicity, and seismic tremor. They will collect continuous relative gravity and GPS data and analyze it with seismic information. If successful, the work could spark interest in extended microgravity arrays and more comprehensive seismic analysis. The project will support a new, female researcher, undergraduate research experience, and bring new insights into volcanic hazards.
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