| 地下水化学异常信息迁移的水动力学模型实验研究 |
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| 引用本文： | 鱼金子,徐峰,刘五洲,车用太,杨会年,刘春国.地下水化学异常信息迁移的水动力学模型实验研究[J].地震,2000,20(1):91-95. |
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| 作者姓名： | 鱼金子 徐峰 刘五洲 车用太 杨会年 刘春国 |
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| 作者单位： | 中国地震局地质研究所,北京,100029 |
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| 基金项目： | 地震科学联合基金!95105 |
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| 摘 要： | 地下水化学组份的震前异常特征之一是异常形态多样，异常幅度不等，形态与幅度方面表现出复杂性。为揭示这种复杂性的实质，进行了水动力模型实验研究。研究结果表明，脉冲状水化学异常信息在含水层系统中的迁移规律是复杂的，随着迁移距离的增大信息幅度的衰减是明显的，甚至异常形态也有变异。异常信息的这种变化牲学与含水受层受力状态的不同有关。
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| 关 键 词： | 水化学异常 水动力学模型 地震前兆 地下水 |
| 文章编号： | 1000-3274(2000)01-0091-05 |
| 修稿时间： | 1999-03-04 |
Experimental study on hydrodynamic model on seismic hydrochemical anomaly migration |
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| YU Jin-zi,XU Feng,LIU Wu-zhou,CHE Yong-tai,YANG Hui-nian,LIU Chun-guo.Experimental study on hydrodynamic model on seismic hydrochemical anomaly migration[J].Earthquake,2000,20(1):91-95. |
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| Authors: | YU Jin-zi XU Feng LIU Wu-zhou CHE Yong-tai YANG Hui-nian LIU Chun-guo |
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| Institution: | YU Jin-zi
(Institute of Geology, CSB,Beijing 100029, China)
XU Feng
(Institute of Geology, CSB,Beijing 100029, China)
LIU Wu-zhou
(Institute of Geology, CSB,Beijing 100029, China)
CHE Yong-tai
(Institute of Geology, CSB,Beijing 100029, China)
YANG Hui-nian
(Institute of Geology, CSB,Beijing 100029, China)
LIU Chun-guo
(Institute of Geology, CSB,Beijing 100029, China) |
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| Abstract: | The anomaly features of hydrochemical components appeared before earth- quakes consist of multiple forms, uneven amplitudes and complicated variations of the forms and amplitudes. To reveal the essence of the complexity, the experiments on hydro- chemic model are carried out. The results indicate that the regularity of pulse hydrochemi- cal anomaly migration in the aquifer system is rather complicated. With increase of the mi- gration distance, the information amplitude attenuates obviously, and even the anomaly forms are changed. These features of variation are also related with the stress state that the aquifer has been situated in. |
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| Keywords: | Seismic hydrochemical anomaly Hydrodynamic model Experimental study |
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