PERIODS

作品数：233被引量：501H指数：11
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Isotopic characteristics and source analysis of atmospheric ammonia during agricultural periods in the Xichuan area of the Danjiangkou Reservoir被引量：2
《Journal of Environmental Sciences》2024年第2期460-469,共10页Xiaoshu Chen Tongqian Zhao Chunyan Xiao Xiaoming Guo Feihong Chen 
supported by the National Natural Science Foundation of China (Nos.U1704241 and 42007175);the Plan for Scientific Innovation Talent of Henan Province (No.194200510010);the Science Research Funds for the Universities of Henan Province (No.NSFRF200326)。
Nitrogen deposition is an important means of exogenous nitrogen input in reservoir water.Agricultural activities around the reservoir lead to a sharp increase in the concentration of ammonia in the atmosphere,which po...
关键词：Danjiangkou reservoir Atmospheric ammonia nitrogen ISOTOPE Ammonia source analysis Agricultural sources 
A critical review of sulfate aerosol formation mechanisms during winter polluted periods被引量：4
《Journal of Environmental Sciences》2023年第1期387-399,共13页Can Ye Keding Lu Huan Song Yujing Mu Jianmin Chen Yuanhang Zhang 
supported by the National Key Research and Development Program of China(No.2019YFC0214801);the China Postdoctoral Science Foundation(Nos.2021M700214 and 2022T150011)。
Sulfate aerosol contributes to particulate matter pollution and plays a key role in aerosol radiative forcing,impacting human health and climate change.Atmospheric models tend to substantially underestimate sulfate co...
关键词：Sulfate aerosol Formation mechanisms Multiphase oxidation Transition metal ions Reactive oxygen species 
Formation mechanisms of nitrous acid(HONO) during the haze and non-haze periods in Beijing,China
《Journal of Environmental Sciences》2022年第4期343-353,共11页Deng Lin Shengrui Tong Wenqian Zhang Weiran Li Fangjie Li Chenhui Jia Gen Zhang Meifang Chen Xinran Zhang Zhen Wang Maofa Ge Xiang He 
supported by the National Natural Science Foundation of China(Nos.41830106,22006124);Beijing National Laboratory for Molecular Sciences(No.BNLMS-CXXM-202011);the Youth Innovation Promotion Association CAS(No.2017042)
As an important precursor of hydroxyl radical(OH),nitrous acid(HONO)plays a significant role in atmospheric chemistry.Here,an observation of HONO and relevant air pollutants in an urban site of Beijing from 14 to 28 A...
关键词：Nitrous acid(HONO) SOURCE Formation mechanisms OH radicals 
Characterization and source identification of submicron aerosol dur ing ser ious haze pollution periods in Beijing被引量：1
《Journal of Environmental Sciences》2022年第2期25-37,共13页Peng Xu Yuan Yang Junke Zhang Wenkang Gao Zirui Liu Bo Hu Yuesi Wang 
supported by the Ministry of Science and Technology of China(No.2017YFC0210000);the Science and Technology Planned Project in Guizhou Province(Qian Kehe Foundation[2019]1Y175);the Introducing Talent in Guizhou University(2018)。
Submicron aerosol is of extensive concern not only due to its significant impact on air quality but also because it is detrimental to human health.In this study,we investigated the characteristics,sources and chemical...
关键词：Haze pollution Submicron aerosol Source apportionment PAHs Organic and inorganic nitrate 
Enhanced mixing state of black carbon with nitrate in single particles during haze periods in Zhengzhou, China
《Journal of Environmental Sciences》2022年第1期185-196,共12页Qianni Zhou Chunlei Cheng Suxia Yang Minghao Yuan Jingjing Meng Haifeng Gong Qien Zhong Yao Zhang Yutong Xie Zhen Zhou Mei Li 
financially supported by the National Natural Science Foundation of China(No.41827804,41805093);the Guangzhou Economic and Technological Development District International Science and Technology Cooperation Project(No.2018GH08);the International Science and Technology Cooperation Project of Guangdong Province(No.2018A050506020);the Pearl River Nova Program of Guangzhou(No.201806010064)。
Black carbon(BC)plays an important role in air quality and climate change,which is closely associated with its mixing state and chemical compositions.In this work the mixing state of BC-containing single particles was...
关键词：Single particle Black carbon Mixing state NITRATE Aging process 
Alteration of dominant cyanobacteria in different bloom periods caused by abiotic factors and species interactions被引量：6
《Journal of Environmental Sciences》2021年第1期1-9,共9页Zhenyan Zhang Xiaoji Fan WJ.G.M.Peijnenburg Meng Zhang Liwei Sun Yujia Zhai Qi Yu Juan Wu Tao Lu Haifeng Qian 
National Natural Science Foundation of China(Nos.21577128,21777144);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT17R97)。
Freshwater cyanobacterial blooms have drawn public attention because they threaten the safety of water resources and human health worldwide.Heavy cyanobacterial blooms outbreak in Lake Taihu in summer annually and van...
关键词：Cyanobacterial bloom Temperature Nitrogen condition Species interaction 
Impact of emission reduction on aerosol-radiation interaction during heavy pollution periods over Beijing-Tianjin-Hebei region in China被引量：4
《Journal of Environmental Sciences》2020年第9期2-13,共12页Wei Wen Chunwei Guo Xin Ma Xiujuan Zhao Lei Liu Dan Chen Jing Xu 
supported by the National Key Research and Development Program of China(Nos.2016YFC0208905,2017YFC1501406,and 2017YFC0210300);the National Natural Science Foundation of China(Nos.51808549,21806183 and 51774038);Beijing Major Science and Technology Project(No.Z181100005418014);Chinese Academy of Meteorological Sciences Foundation(No.2018Y001)
In December 2015,the Beijing-Tianjin-Hebei(BTH) region experienced several episodes of heavy air pollution.The government immediately issued emergency control measures to reduce the pollution,which provided a good opp...
关键词：pollution. POLLUTION AEROSOL 
A framework for investigating the air quality variation characteristics based on the monitoring data: Case study for Beijing during 2013–2016被引量：2
《Journal of Environmental Sciences》2019年第7期225-237,共13页Jixian Cui Jianlei Lang Tian Chen Shushuai Mao Shuiyuan Cheng Zhanshan Wang Nianliang Cheng 
financially supported by the National Key R&D Program of China(2017YFC 0209905);the Natural Sciences Foundation of China(No.51878012,51638001);the project supported by Beijing Municipal Education Commission of Science and Technology(No.KM201610005019);the New Talent Program of Beijing University of Technology(No.2017-RX(1)-10)
In this study, an analysis framework based on the regular monitoring data was proposed for investigating the annual/inter-annual air quality variation and the contributions from different factors(i.e., seasons, pollut...
关键词：Monitoring data analysis Air quality variations AIRFLOW DIRECTIONS Pollution PERIODS BEIJING 
A monitoring-modeling approach to SO_4^(2-) and NO_3^- secondary conversion ratio estimation during haze periods in Beijing, China被引量：3
《Journal of Environmental Sciences》2019年第4期293-302,共10页Xiaoqi Wang Wei Wei Shuiyuan Cheng Chong Zhang Wenjiao Duan 
supported by the National Key R&D Program of China (No. 2016YFC0202705);the National Natural Science Foundation of China (Nos. 51638001 and 51478017);the funding support from Beijing Municipal Commission of Science and Technology (Nos. Z161100004516013 and Z171100002217002)
SO_4^(2-) and NO_3^- are important chemical components of fine particulate matter(PM_(2.5)),especially during haze periods.This study selected two haze episodes in Beijing,China with similar meteorological conditions....
关键词：HAZE PERIODS SO42- and NO3- SECONDARY CONVERSION SECONDARY oxidation ratio 
Assessment of the cytotoxic and mutagenic potential of the Jialu River and adjacent groundwater using human-hamster hybrid cells被引量：1
《Journal of Environmental Sciences》2018年第8期133-143,共11页Xiaofei Wang Guoping Zhao Hongqiang Wang Junting Liang Shengmin Xu Shaopeng Chen An Xu Lijun Wu 
supported by the CAS Strategic Priority Research Program(No.XDB14030502);the National Basic Research Program(973)of China(No.2014CB932002);the Natural Science Foundation of Anhui Province(No.1808085QB37);the Hi-Tech Research and Development Program(863)of China(No.2008AA062504);the National Natural Science Foundation of China(Nos.20977093,81273004,81301182,and 31470829);the Talent Research Foundation of Hefei University(No.16-17RC03);the Key Project of Natural Science Research of Anhui High Education Institutions(Nos.KJ2017A545,and KJ2017A546);the Project of Anhui Quality Engineering(No.2016msgzs060)
The Jialu River in China has been seriously polluted by the direct discharge of industrial and domestic wastewater. The predominant contaminants of the Jialu River and its adjacent groundwater were recently investigat...
关键词：Jialu River Water sample Flow periods Mutagenic potential Artificial neural network 
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