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Characterizing PBO Borehole Strainmeters: Calibration, Earthquake Response, Noise Statistics and Sources

Characterizing PBO Borehole Strainmeters: Calibration, Earthquake Response, Noise Statistics and Sources
表征 PBO 钻孔应变计:校准、地震响应、噪声统计和来源
批准号:
1053208
负责人:
Duncan Carr Agnew
金额:
$16.52万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2011
资助国家:
美国
项目状态:
已结题
起止时间:
2011-05-01 至 2013-10-31

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中文摘要
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英文摘要
This project is studying data from seismometers and borehole strainmeters in southern California to understand better what signals they can and cannot detect. The detection levels are largely controlled by noise in the earth and in the instruments, and the project aims to characterize this, especially in two areas. One is at the frequencies of seismic waves, where it is important to understand the variations in noise level from natural sources and human activities. The other is at periods of days to months, over which the strainmeters can be affected by groundwater changes. The project will be examining strainmeter and pumping data to develop models of how this effect works.
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Facility Support: Pinon Flat Observatory - Longbase Strainmeters Interim Operation
Probing Fluids, Fractures, Faults, and Strain with PBO Borehole Data
Seismic Noise and Episodic Tremor: Improving Models for External Sources to Improve Detection of Internal Ones
Modernization of Existing Long-Base Strainmeters at Pinyon Flat and Durmid Hill
国内基金
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  • 项目类别:
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