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Aerosol characteristics over the Tibetan Plateau simulated with a coupled aerosol-climate model(FGOALS-f3-L) 被引量:1
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作者 Min Zhao tie dai +4 位作者 Hao Wang Bian He Qing Bao Yimin Liu Guangyu Shi 《Atmospheric and Oceanic Science Letters》 CSCD 2021年第2期60-66,共7页
This study presents the simulated aerosol spatiotemporal characteristics over the Tibetan Plateau(TP)with a newly developed coupled aerosol-climate model(FGOALS-f3-L).The aerosol properties are simulated over the TP f... This study presents the simulated aerosol spatiotemporal characteristics over the Tibetan Plateau(TP)with a newly developed coupled aerosol-climate model(FGOALS-f3-L).The aerosol properties are simulated over the TP for the period 2002-11.The results indicate that soil dust,sulfate,and carbonaceous aerosols(black carbon(BC),organic carbon(OC)and BC/OC)account for 53.6%,32.2%,and 14.2%of the total aerosol mass over the TP,respectively.The simulated aerosol surface mass concentrations and aerosol optical depths(AODs)are evaluated with ground-based and satellite observations,respectively.Underestimations of the aerosol surface mass concentration are found at the Lhasa site,especially for BC and OC.The spatial distribution and interannual variation of AOD are consistent with MODIS observations,with the RMSE of 0.081 and bias of 0.036.Due to the uncertainty of the parameterization of dust emissions,the model’s performance in summer and autumn is much better than that in spring. 展开更多
关键词 AEROSOL Tibetan Plateau FGOALS-f3-L Observation
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Simulating Aerosol Optical Depth and Direct Radiative Effects over the Tibetan Plateau with a High-Resolution CAS FGOALS-f3 Model
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作者 Min ZHAO tie dai +4 位作者 Hao WANG Qing BAO Yimin LIU Hua ZHANG Guangyu SHI 《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2022年第12期2137-2155,I0020-I0022,共22页
Current global climate models cannot resolve the complex topography over the Tibetan Plateau(TP)due to their coarse resolution.This study investigates the impacts of horizontal resolution on simulating aerosol and its... Current global climate models cannot resolve the complex topography over the Tibetan Plateau(TP)due to their coarse resolution.This study investigates the impacts of horizontal resolution on simulating aerosol and its direct radiative effect(DRE)over the TP by applying two horizontal resolutions of about 100 km and 25 km to the Chinese Academy of Sciences Flexible Global Ocean-Atmosphere Land System(CAS FGOALS-f3)over a 10-year period.Compared to the AErosol RObotic NETwork observations,a high-resolution model(HRM)can better reproduce the spatial distribution and seasonal cycles of aerosol optical depth(AOD)compared to a low-resolution model(LRM).The HRM bias and RMSE of AOD decreased by 0.08 and 0.12,and the correlation coefficient increased by 0.22 compared to the LRM.An LRM is not sufficient to reproduce the aerosol variations associated with fine-scale topographic forcing,such as in the eastern marginal region of the TP.The difference between hydrophilic aerosols in an HRM and LRM is caused by the divergence of the simulated relative humidity(RH).More reasonable distributions and variations of RH are conducive to simulating hydrophilic aerosols.An increase of the 10-m wind speed in winter by an HRM leads to increased dust emissions.The simulated aerosol DREs at the top of the atmosphere(TOA)and at the surface by the HRM are–0.76 W m^(–2)and–8.72 W m^(–2)over the TP,respectively.Both resolution models can capture the key feature that dust TOA DRE transitions from positive in spring to negative in the other seasons. 展开更多
关键词 Tibetan Plateau high-resolution climate model aerosol optical depth aerosol direct radiative effect
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Advances in Atmospheric Radiation:Theories,Models,and Their Applications.PartⅡ:Radiative Transfer Models and Related Applications
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作者 Hua ZHANG Feng ZHANG +13 位作者 Lei LIU Yuzhi LIU Husi LETU Yuanjian YANG Zhengqiang LI Kun WU Shuai HU Ming LI tie dai Fei WANG Zhili WANG Yuxiang LING Yining SHI Chao LIU 《Journal of Meteorological Research》 SCIE CSCD 2024年第2期183-208,共26页
The subject of“atmospheric radiation”includes not only fundamental theories on atmospheric gaseous absorption and the scattering and radiative transfer of particles(molecules,cloud,and aerosols),but also their appli... The subject of“atmospheric radiation”includes not only fundamental theories on atmospheric gaseous absorption and the scattering and radiative transfer of particles(molecules,cloud,and aerosols),but also their applications in weather,climate,and atmospheric remote sensing,and is an essential part of the atmospheric sciences.This review includes two parts(Part I and PartⅡ);following the first part on gaseous absorption and particle scattering,this part(PartⅡ)reports the progress that has been made in radiative transfer theories,models,and their common applications,focusing particularly on the contributions from Chinese researchers.The recent achievements on radiative transfer models and methods developed for weather and climate studies and for atmospheric remote sensing are firstly reviewed.Then,the associated applications,such as surface radiation estimation,satellite remote sensing algorithms,radiative parameterization for climate models,and radiative-forcing related climate change studies are summarized,which further reveals the importance of radiative transfer theories and models. 展开更多
关键词 atmospheric radiation radiative transfer remote sensing radiative forcing climate change
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The first 5-year Clean Air Action did increase the blue days in winter over Beijing-Tianjin-Hebei 被引量:1
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作者 Su Wang Gang Huang +1 位作者 tie dai Kaiming Hu 《Science Bulletin》 SCIE EI CSCD 2022年第8期774-776,共3页
China has made great efforts to mitigate its long-standing environmental problem in recent years.In China,during the first 5-year Clean Air Action(2013–2017),remarkable reductions in primary pollutants such as SO_(2)... China has made great efforts to mitigate its long-standing environmental problem in recent years.In China,during the first 5-year Clean Air Action(2013–2017),remarkable reductions in primary pollutants such as SO_(2) and fine particle matter (PM_(2.5)) have been achieved,especially in Beijing-Tianjin-Hebei(BTH)region[1,2]. 展开更多
关键词 大气污染防治 CLEAN TIANJIN
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