维普中文期刊产品整合服务

Impact of anthropogenic heat emissions on meteorological parameters and air quality in Beijing using a high-resolution model simulation

查看全文 作　　者：Hengrui [1,2,3]Tao;Jia [2,3]Xing;Gaofeng [1]Pan;Jonathan [4]Pleim;Limei [5]Ran;Shuxiao [2,3]Wang;Xing [2,3]Chang;Guojing [6]Li;Fei [7]Chen;Junhua [2,3]Li 高影响力作者 机构地区：[1]Aviation University of Air Force,Changchun 130022,China;[2]School of Environment and State Key Joint Laboratory of Environment Simulation and Pollution Control,Tsinghua University,Beijing 100084,China;[3]State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex,Beijing 100084,China;[4]Research Triangle Park,Environmental Protection Agency,NC 27711,USA;[5]East Remote Sensing Laboratory,United States Department of Agriculture,NC 20250,USA;[6]Unit No.96941 of Chinese People's Liberation Army,Beijing 100041,China;[7]Unit No.31010 of Chinese People's Liberation Army,Beijing 100081,China高影响力机构 出　　处：《Frontiers of Environmental Science & Engineering》索引2022年第16卷第4期,共11页高影响力期刊 基　　金：This work was supported in part by the National Key R&D Program of China(Grant No.2018YFC0213502);the National Natural Science Foundation of China(Grant No.41907190);the Beijing Municipal Commission of Science and Technology(No.Z19110000119004). 摘　　要：Anthropogenic heat emissions(AHE)play an important role in modulating the atmospheric thermodynamic and kinetic properties within the urban planetary boundary layer,particularly in densely populated megacities like Beijing.In this study,we estimate the AHE by using a Large-scale Urban Consumption of energY(LUCY)model and further couple LUCY with a high-resolution regional chemical transport model to evaluate the impact of AHE on atmospheric environment in Beijing.In areas with high AHE,the 2-m temperature(T_(2))increased to varying degrees and showed distinct diurnal and seasonal variations with maxima in night and winter.The increase in 10-m wind speed(WS_(10))and planetary boundary layer height(PBLH)exhibited slight diurnal variations but showed significant seasonal variations.Further,the systematic continuous precipitation increased by 2.1 mm due to the increase in PBLH and water vapor in upper air.In contrast,the precipitation in local thermal convective showers increased little because of the limited water vapor.Meanwhile,the PM_(2.5) reduced in areas with high AHE because of the increase in WS_(10) and PBLH and continued to reduce as the pollution levels increased.In contrast,in areas where prevailing wind direction was opposite to that of thermal circulation caused by AHE,the WS_(10) reduced,leading to increased PM_(2.5).The changes of PM_(2.5) illustrated that a reasonable AHE scheme might be an effective means to improve the performance of PM_(2.5) simulation.Besides,high AHE aggravated the O_(3) pollution in urban areas due to the reduction in NO_(x). 关 键 词：Anthropogenic heat emissions LUCY HIGH-RESOLUTION Meteorological parameters Air quality
相关文献

参考文献(45)

耦合文献(33)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费