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In-Use Stock of Copper Analysis Using Satellite Nighttime Light Observation Data

机译:使用卫星夜间光观测数据分析在用铜

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摘要

We have developed a novel methodology for analyzing the worldwide copper stock-in-use by using nighttime light images. Radiance calibrated nighttime light imaged data (RCD) for the entire world has been assembled from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS) by the National Geophysical Data Center. It has been recognized that the intensity of nighttime light is strongly associated with such aspects of human settlement as population density and energy consumption. We assumed that the presence of light implies the use of electrical conducting material, namely copper. The stock-in-use data for copper in Japan, North America, Australia and China were obtained from previous material flow analysis studies. We analyzed the relationship between light accumulation and the size of the copper stock in those countries. A significant correlation was found and the feasibility of this method was confirmed. We employed this method to analyze the stock-in-use in other Asian countries. The in-use stock of copper was correlated with the gross domestic product (GDP),
机译:我们已经开发出一种新颖的方法,通过使用夜间光图像来分析全球在用铜库存。美国国家地球物理数据中心从国防气象卫星计划(DMSP)作战线扫描系统(OLS)收集了全世界辐射校准的夜间光成像数据(RCD)。已经认识到,夜间光的强度与诸如人口密度和能量消耗之类的人类住区密切相关。我们假设光的存在意味着要使用导电材料,即铜。日本,北美,澳大利亚和中国的铜库存数据是从先前的材料流动分析研究获得的。我们分析了这些国家的光积累与铜存量之间的关系。发现了显着的相关性,并证实了该方法的可行性。我们采用这种方法来分析其他亚洲国家的在用库存。在用铜库存与国内生产总值(GDP)相关,

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