卫星遥感新方案

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中国团队研发出卫星遥感新方案,精准监测大型燃煤电厂碳排放
Zhong Guo Xin Wen Wang· 2025-06-20 08:30
Core Viewpoint - The research team from the Chinese Academy of Sciences has made significant advancements in the precise monitoring and accounting of carbon emissions from large coal-fired power plants, which is crucial under the global "dual carbon" goals of peak carbon emissions and carbon neutrality [1][2]. Group 1: Research Breakthroughs - The research team has developed a new satellite remote sensing solution that enables high-precision dynamic quantification and mapping of carbon dioxide emissions from large coal-fired power plants, marking a significant achievement in the field [1]. - The study was published in the international academic journal "Clean Production," highlighting its importance in providing objective and effective technical means for carbon emission accounting and verification [1][2]. Group 2: Methodological Innovations - The team introduced a model optimization algorithm based on the U.S. Orbiting Carbon Observatory-3, significantly improving the efficiency of background carbon emission value identification [2]. - A dynamic wind direction correction algorithm was developed to enhance the accuracy of smoke plume trajectory inversion, along with a smoke plume elevation model that accurately characterizes the dynamic lifting process of flue gas [2]. Group 3: Implications for Carbon Monitoring - The research results indicate that the improved Gaussian plume model successfully quantified carbon dioxide emissions from 14 large coal-fired power plants, with emissions ranging from 21.54 thousand tons to 82.3 thousand tons per day, demonstrating a significant increase in inversion accuracy [2]. - This research signifies a critical shift from static carbon emission inventories to dynamic management, which is essential for effective carbon monitoring and policy calibration [3].
如何精准监测大型燃煤电厂碳排放?中国团队研发出卫星遥感新方案
Zhong Guo Xin Wen Wang· 2025-06-20 03:29
Core Viewpoint - The article highlights significant advancements in the precise monitoring and accounting of carbon emissions from large coal-fired power plants, which are crucial for achieving global carbon neutrality goals [1][2]. Group 1: Research Breakthroughs - The Chinese Academy of Sciences has achieved a breakthrough in remote sensing and carbon emission estimation, enabling high-precision dynamic quantification and mapping of CO2 emissions from large coal-fired power plants [2]. - The research team developed a new satellite remote sensing approach, marking the first time high-precision dynamic quantification of CO2 emissions from large coal-fired power plants has been realized internationally [2][4]. Group 2: Importance of Carbon Emission Monitoring - Coal-fired power plants account for approximately 50% of global carbon emissions from fossil fuel combustion, making accurate carbon accounting essential for global carbon assessments and the electricity sector [3]. - Traditional methods of calculating emissions rely heavily on self-reported data from power plants, which can lead to discrepancies and lack of comparability due to the absence of unified international accounting standards [3]. Group 3: Methodological Innovations - The research team introduced an innovative optimization algorithm that significantly enhances the efficiency of identifying background carbon emission levels and improves the accuracy of smoke plume trajectory inversion [4]. - The study successfully quantified CO2 emissions from 14 large coal-fired power plants, with emissions ranging from 21.54 thousand tons to 82.3 thousand tons per day, demonstrating a marked improvement in inversion accuracy [4].