| NURE航空计划回顾与新时代航空γ能谱勘查启示 |
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| 引用本文： | 李敬敏,米耀辉,骆遥.NURE航空计划回顾与新时代航空γ能谱勘查启示[J].物探与化探,2021(2):394-402. |
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| 作者姓名： | 李敬敏 米耀辉 骆遥 |
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| 作者单位： | 中国自然资源航空物探遥感中心 |
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| 基金项目： | 国家重点研发计划“深地资源勘查开采”重点专项项目(2017YFC0602100、2017YFC0602000);中国地质调查局地质调查项目(DD20191001、DD20189410、DD20190436)。 |
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| 摘 要： | 国家铀资源评价(NURE)计划实现了覆盖美国本土和阿拉斯加的1∶250000 NTMS图幅航空γ能谱测量和航磁测量,通过简要回顾该计划历程,重点针对NURE中航空地球物理勘查(航空γ能谱和航磁测量),讨论了航空地球物理勘查中测量技术、数据处理及解释方法等。NURE航空测量在铀矿勘查和辐射环境评价、洲际航空地球物理编图等领域发挥了巨大作用,产生了意义深远的影响。在总结NURE航空测量经验和做法的基础上,针对我国航空γ能谱测量勘查现状,建议从国家层面进行顶层设计,尽快实施我国陆域范围内的航空γ能谱和航磁框架性测量,实现对我国陆域航空γ能谱测量全覆盖,建设具有中国特色的航空γ能谱测量与监测体系。
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| 关 键 词： | NURE计划 航空γ能谱 铀矿勘查 航空地球物理 放射性 |
A review of NURE airborne program and suggestions on airborne gamma-ray spectrometry survey in the new era |
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| LI Jing-Min,MI Yao-Hui,LUO Yao.A review of NURE airborne program and suggestions on airborne gamma-ray spectrometry survey in the new era[J].Geophysical and Geochemical Exploration,2021(2):394-402. |
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| Authors: | LI Jing-Min MI Yao-Hui LUO Yao |
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| Institution: | (China Aero Geophysical Survey and Remote Sensing Center for Natural Resources,Beijing 100083,China) |
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| Abstract: | This paper briefly reviews the history and the overall work deployment of the U.S.National Uranium Resource Evaluation(NURE)program,with emphasis placed on the key techniques of airborne exploration.The airborne exploration included airborne gamma-ray spectrometry(AGRS)and aeromagnetic survey,which collected radiometric and magnetic data over the conterminous United States and Alaska.The airborne program systematically covered each 1°by 2°national topographic map series(NTMS)quadrangles,which were used to locate potential radioactive mineral deposits.The program played an important role in uranium resource and environmental radiation level evaluation,which has far-reaching definition and meaning.The experience and practices of the program should be used for reference.According to the current status of China's survey,top-level design for AGRS should be strengthened.This paper also proposes a national program of AGRS surveys for achieving coverage of terrestrial radioactivity and building a measurement and monitoring system with Chinese characteristics. |
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| Keywords: | U S National Uranium Resource Evaluation(NURE)program airborne gamma-ray spectrometry uranium prospecting airborne geophysical surveys radioactivity |
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