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Atmospheric Boundary Layer Eco-Environment Shanghuang Observatory:An Integrated Multiscale Research Platform in Southeastern China for Understanding Boundary Layer Processes,Atmospheric Chemistry Feedback,and Extreme Weather–Climate Linkages 认领 引用
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作者 Zifa WANG Xiaole PAN +27 位作者 Yele SUN Jinyuan XIN Hang SU Junji CAO Jie LI Ting YANG Hang LIU Weijie YAO Weiqi XU Xueshun CHEN Wei ZHOU Yongjing MA Xueling CHENG JING YE Bo HU Rubin JIANG Zhe WANG Baozhu GE Lin WU Xinwei LI Jinxi LI Zichen WU Lei KONG Mingming ZHU Jia JIA Xingyu LI Xuekun FANG Lanzhong LIU 《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2026年第6期1291-1299,共9页
In the context of global warming,the increasing frequency of extreme weather events,meteorological disasters,and regional pollution events highlights the urgent need for targeted atmospheric observations in ecological... In the context of global warming,the increasing frequency of extreme weather events,meteorological disasters,and regional pollution events highlights the urgent need for targeted atmospheric observations in ecologically sensitive regions.The atmospheric boundary layer top remains a critical yet under-observed interface in climate and environmental research.To respond to this need,the Atmospheric Boundary Layer Eco-Environment Shanghuang Observatory(ABLES)was established in 2023 by the Institute of Atmospheric Physics,Chinese Academy of Sciences in Jinhua,southeastern China.As a high-altitude,state-of-the-art research platform,ABLES addresses the critical need for comprehensive atmospheric and environmental observations in East Asia.The observatory facilitates interdisciplinary research focusing on three core areas:(1)cross-sphere transport of pollutants between atmospheric layers and its environmental and climatic impacts;(2)physical and chemical interactions between clouds and aerosols under extreme weather conditions;and(3)multiscale feedback mechanisms between climate change and ecosystems.ABLES is also aimed at revealing long-term patterns in greenhouse gases,ozone depleting substances,and cloud properties,and to elaborate the formation mechanisms of severe weather events such as thunderstorms and freezing rain.The findings at ABLES will support advances in weather forecasting,air quality modeling,and adaptive strategies for climate resilience.As part of China's growing environmental monitoring network,ABLES has been collaborating with various research organizations,serving as a cooperative research platform for technological development and evidence-based environmental policymaking. 展开更多
关键词 multiscale research platform atmospheric environment extreme meteorology
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Structural characteristics and drivers of greenhouse gas emissions at county-level and long-time scales:A case study of the Anji County,China 认领 引用 被引量：1
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作者 Zhouxiang Cai Liting Hu +2 位作者 Di Chen Ying Zhang Xuekun Fang 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2024年第6期319-330,共12页
To achieve carbon neutrality,the Chinese government needs to gain a comprehensive understanding of the sources and drivers of greenhouse gas(GHG)emissions,particularly at the county level.Anji County in eastern China ... To achieve carbon neutrality,the Chinese government needs to gain a comprehensive understanding of the sources and drivers of greenhouse gas(GHG)emissions,particularly at the county level.Anji County in eastern China is a typical example of an industrial transformation from quarrying to a low-carbon economy.This study analyzed the decoupling types and structural characteristics of GHG emissions and the driving factors of carbon dioxide(CO2)emissions in the Anji from 2006 to 2019,and explored the differences between countylevel and provincial-level or city-level results.It was observed that energy-related activities are the main source of GHG emissions in Anji and that economic development is the driving factor behind the increasing CO2emissions.However,industrial transformation and upgradation coupled with the alternative use of clean energy limit the growth of GHG emissions.This study details the GHG emissions of county during the industrial transformation stage and provides corresponding policy recommendations for county governments. 展开更多
关键词 County GHG emissions Decoupling Driving factors Policy recommendations
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Pioneering observation of atmospheric volatile organic compounds in Hangzhou in eastern China and implications for upcoming 2022 Asian Games 认领 引用 被引量：7
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作者 Bowei Li Steven Sai Hang Ho +3 位作者 Xinhe Li Liya Guo Rui Feng Xuekun Fang 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2023年第2期723-734,共12页
Understanding the emission sources of volatile organic compounds(VOCs)is critical for air pollution mitigation.Continuous measurements of atmospheric VOCs were conducted from January to February in Hangzhou in 2021.Th... Understanding the emission sources of volatile organic compounds(VOCs)is critical for air pollution mitigation.Continuous measurements of atmospheric VOCs were conducted from January to February in Hangzhou in 2021.The average measured concentration of total VOCs(TVOCs)was 38.2±20.9 ppb,>42% lower than that reported by previous studies at the urban center in Hangzhou.The VOC concentrations and proportions were similar between weekdays and weekends.During the long holidays of the Spring Festival in China,the concentrations of TVOCs were∼50% lower than those during the regular days,but their profiles showed no significant difference(p>0.05).Further,we deduced that aromatics and alkenes were the most crucial chemicals promoting the formation of O3 and secondary organic aerosol(SOA)in Hangzhou.According to interspecies correlations,combustion processes and solvent use were inferred as major VOC emission sources.This study provides implications for air quality improvements before and during the upcoming Asian Games that will be hosted in Hangzhou in 2022. 展开更多
关键词 VOCs Atmospheric observation Eastern China 2022 Asian game Air quality improvements
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Global methyl halide emissions from biomass burning during 2003-2021 认领 引用 被引量：1
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作者 Xiaoyi Hu Di Chen +3 位作者 Liting Hu Bowei Li Xinhe Li Xuekun Fang 《Environmental Science and Ecotechnology》 SCIE 2023年第2期79-86,共8页
Methyl halides(CH3Cl,CH3Br,and CH3I)are ozone-depleting substances.Biomass burning(BB)is an important source of methyl halides.The temporal variations and global spatial distribution of BB methyl halide emissions are ... Methyl halides(CH3Cl,CH3Br,and CH3I)are ozone-depleting substances.Biomass burning(BB)is an important source of methyl halides.The temporal variations and global spatial distribution of BB methyl halide emissions are unclear.Thus,global methyl halide emissions from BB during 2003e2021 were estimated based on satellite data.A significant decreasing trend(p<0.01)in global methyl halide emissions from BB was found between 2003 and 2021,with CH3Cl emissions decreasing from 302 to 220 Gg yr-1,CH3Br emissions decreasing from 16.5 to 11.7 Gg yr-1,and CH3I emissions decreasing from 8.9 to 6.1 Gg yr-1.From a latitudinal perspective,the northern high-latitude region(60e90N)was the only latitude zone with significant increases in BB methyl halide emissions(p<0.01).Based on an analysis of the drivers of BB methyl halide emissions,emissions from cropland,grassland,and shrubland fires were more correlated with the burned area,while BB emissions from forest fires were more correlated with the emissions per unit burned area.The non-BB emissions of CH3Cl increased from 4749 Gg yr-1in 2003 to 4882 Gg yr-1in 2020,while those of CH3Br decreased from 136 Gg yr-1in 2003 to 118 Gg yr-1in 2020(global total CH3I emissions are not available).The finding indicates that global CH3Cl and CH3Br emissions from sources besides BB increased and decreased during 2003e2020.Based on our findings,not only searching for unknown sources is important,but also re-evaluating known sources is necessary for addressing methyl halide emissions. 展开更多
关键词 Methyl halides Biomass burning Emission inventory Global budget Ozone depletion
Estimated HCFC-142b emissions in China: 2000–2050 认领 引用 被引量：4
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作者 Jiarui Han Li Li +5 位作者 Shenshen Su Jing Wu Xuekun Fang Shenglan Jia Jianbo Zhang Jianxin Hu 《Chinese Science Bulletin》 2014年第24期3046-3053,共8页
1-Chloro-1,1-difluoroethane(HCFC-142b)was both ozone depleting substance under restriction of the Montreal Protocol on Substances that Deplete the Ozone Layer(Montreal Protocol)and potent greenhouse gas with high GWP.... 1-Chloro-1,1-difluoroethane(HCFC-142b)was both ozone depleting substance under restriction of the Montreal Protocol on Substances that Deplete the Ozone Layer(Montreal Protocol)and potent greenhouse gas with high GWP.Controlling its emissions in China will contribute to both mitigating climate change and protecting ozone.A national emission inventory of HCFC-142b for China during 2000–2012 was established and projected to2050 based on the 2006 IPCC Guidelines for National Greenhouse Gas Inventories and the Montreal Protocol,showing that(i)in contrast to the downward trend revealed by existing researches,HCFC-142b emissions kept increasing from 0.1 kt/y in 2000 to the peak of 14.4 kt/y in2012,making China a crucial contributor to global HCFC-142b emissions and(ii)for future emission projections,a continuous increase from 14.9 kt/y in 2013 to 97.2 kt/y in2050 was anticipated under the business-as-usual(BAU)scenarios,while a reduction of about 90%of the projected BAU emissions would be obtained by fulfilling the Montreal Protocol,namely an accumulative mitigation of 1578kt HCFC-142b from 2013 to 2050,equal to 103 kt ODP and 3504 Tg CO2emissions.Emissions from each province in 2012 were also estimated to identify key emission areas.Among the 31 mainland provinces in China(Hong Kong,Macao,and Taiwan were not included),Jiangsu,Zhejiang,Shandong,and Guangdong had the highest emission ratesin 2012(2.06,1.85,1.52,and 1.04 kt/y,respectively);Zhejiang,Jiangsu,and Shanghai exhibit the strongest emission strength(0.83,0.59,and 0.54 t/km2,respectively),much higher than the average national level of 0.33t/km2. 展开更多
关键词 二氧化碳排放量 中国大陆 蒙特利尔议定书 消耗臭氧层物质 估计 温室气体 排放清单 保护臭氧层
Gridded usage inventories of chlordane in China 认领 引用
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作者 Qiang WANG Lijuan ZHAO +4 位作者 Xuekun FANG Jianhua XU Yifan LI Yehong SHI Jianxin HU 《Frontiers of Environmental Science & Engineering》 SCIE CSCD 2013年第1期10-18,共9页
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