| 野外实验场地球物理电磁数据采集与分析 |
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| 引用本文： | 李建华,林品荣.野外实验场地球物理电磁数据采集与分析[J].地球物理学进展,2012,27(4):1377-1384. |
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| 作者姓名： | 李建华 林品荣 |
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| 作者单位： | 中国地质科学院地球物理地球化学勘查研究所,廊坊,065000 |
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| 基金项目： | 中国地质科学院地球物理地球化学勘查研究所基本科研业务费专项资金资助(AS2010P03);国土资源部电磁探测技术重点实验室联合资助 |
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| 摘 要： | 地球物理电磁数据观测实验场的建立在国内仍属空白,根据开展电磁法的方法技术要求,我们率先选择具备条件的已知矿区作为实验场地,开展了包括国内、外多种型号电磁法仪器(GDP 32Ⅱ、V8、DEM-V、DJS-8A)的相同装置下的同剖面同点位对比试验.对野外实验场上所开展的不同方法每种仪器的数据采集方式与取得结果进行比较分析,并与地质资料进行了结合分析;通过地球物理电磁数据的综合观测研究,形成标准化的数据,将对电磁法仪器开发、仪器引进提供实验检测场地与标准的检测数据,促进地球物理电磁探测技术的研究与发展.
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| 关 键 词： | 地球物理 电磁法 实验场 GDP-32Ⅱ V8 DEM-V |
Acquisition and analysis of geophysical electromagnetic data on the experiment field |
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| LI Jian-hua
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LIN Pin-rong.Acquisition and analysis of geophysical electromagnetic data on the experiment field[J].Progress in Geophysics,2012,27(4):1377-1384. |
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| Authors: | LI Jian-hua LIN Pin-rong |
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| Institution: | (Institute of Geophysical and Geochemical Exploration CAGS,Langfang 065000,China) |
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| Abstract: | It is still blank that establishment of Geophysical electromagnetic experiment field.According to the technical requirements,we choose the known mine which has the conditions of electromagnetic methods detection as the experimental site firstly.In the field,compared tests of domestic & foreign electromagnetic equipments(GDP-32II、V8、DEM-V、DJS-8A) had carried out at the same technical parameter.In order to achieve the establishment of electromagnetic experimental field,the results obtained with each instrument of different electromagnetic methods have been compared and analyzed,combining with geological information.Through studying comprehensively of the observed electromagnetic data to form standardized data,it will can provide an experimental test site and standard test data for the development or introduction of electromagnetic instruments,at the same time,research and development of electromagnetic methods detection techniques will been promoted.In the experimental field,the Induced polarization(IP)and the Controllable source audio frequency magnetotelluric(CSAMT) measurements of several domestic & foreign electromagnetic method instruments have been developed,the similar results of the same method have been achieved,and the same electrical characteristics have been presented.They will lay a good foundation of further construction of the experimental field,will provide the basis for the formation of standard data,and will play the role of reference and inspiration to inspection the correctness of data which obtained by the being studied or used electromagnetic method instruments. |
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| Keywords: | geophysics electromagnetic methods experiment field GDP-32II V8 DEM-V |
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