海上核污染扩散轨迹计算方法的对比分析  

Calculation method of nuclear pollution diffusion trajectory at sea of the versus score

作　　者：王鹏 王倩茹 康贤彪 WANG Peng;WANG Qianru;KANG Xianbiao(School of Air Traffic Management,Civil Aviation Flight University of China.,Guanghan 618307,China)

机构地区：[1]中国民用航空飞行学院空中交通管理学院,四川广汉618307

出　　处：《高科技与产业化》2025年第1期20-23,共4页High-Technology & Commercialization

基　　金：中央高校基本科研业务费专项资金资助(JG2022-24)。

摘　　要：本研究比较了最大浓度法、几何中心法和质心轨迹法三种海洋核污染物扩散计算方法,基于三维数值模式模拟铯-137在中国东南沿海的扩散过程。结果显示,质心轨迹法综合考虑了污染物空间分布和浓度权重,最能反映整体扩散趋势和浓度中心。最大浓度法适用于识别高风险区域,但难描述长期扩散,几何中心法虽能展现宏观趋势,但在浓度中心定位上存在偏差。这一发现强调了海洋动力学过程在核污染物扩散中的关键作用。This study compares three methods for calculating the dispersion of marine nuclear pollutants:the maximum concentration method,the geometric center method,and the centroid trajectory method.Using a 3D numerical model,the dispersion of cesium-137 in the southeastern coast of China was simulated.The results show that the centroid trajectory method,which considers both spatial distribution and concentration weighting,best reflects the overall dispersion trend and concentration center.The maximum concentration method is effective for identifying high-risk areas but struggles to depict long-term dispersion,while the geometric center method provides a macro-level trend but has inaccuracies in locating the concentration center.This finding underscores the critical role of ocean dynamics in nuclear pollutant dispersion.

关 键 词：海洋核污染物 扩散轨迹 数值模拟 

分 类 号：X771[环境科学与工程—环境工程]