Important contribution of N2O5 hydrolysis to the daytime nitrate in Xi' an, China during haze periods: Isotopic analysis and WRF-Chem model simulation
文献类型：期刊论文
| 作者 | Wu, Can1; Liu, Lang2,3; Wang, Gehui1,4; Zhang, Si1; Li, Guohui2; Lv, Shaojun1; Li, Jianjun2; Wang, Fanglin1; Meng, Jingjing5; Zeng, Ying1 |
| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2021-11-01 |
| 卷号 | 288页码:8 |
| 关键词 | Nitrate NO2 andO(3) Aerosol liquid water content (ALWC) PM2.5 Ammonia |
| ISSN号 | 0269-7491 |
| DOI | 10.1016/j.envpol.2021.117712 |
| 通讯作者 | Wang, Gehui(ghwang@geo.ecnu.edu.cn) |
| 英文摘要 | Nitrate, as one of the major components of tropospheric aerosols, plays a crucial role in winter haze formation. While, the formation mechanism of the high production of nitrate in Chinese megacities is still not fully understood. To quantify the contributions of major formation pathways to nitrate, airborne particles in Xi'an, inland China during the winter of 2017 were measured and analyzed for the water-soluble ions and stable nitrogen/oxygen isotope compositions of nitrate in PM2.5, followed by a WRF-Chem model simulation. The oxygen isotopic results indicated that N2O5 hydrolysis was an important formation pathway for the daytime nitrate in the haze episodes. The model simulation further revealed that N2O5 hydrolysis contribution increased from 8.2% to 20.5% of the total nitrate over 14:00-16:00 p.m., clearly showing that N2O5 formation followed by a heterogeneous hydrolysis to nitrate can effectively proceed in daytime under the abundantly co-existing O-3, NO2 and NH3 conditions. |
| WOS关键词 | PARTICLE LIQUID WATER ; NITROGEN DEPOSITION ; GLOBAL-MODEL ; INLAND CHINA ; AIR-QUALITY ; OXYGEN ; NOX ; POLLUTION ; PM2.5 ; ENHANCEMENT |
| 资助项目 | National Key R&D Plan, Ministry of Science and Technology of China (Mechanism and chemical process characterization of atmospheric particulate matter multi-isotope fractionation)[2017YFC0212703] ; National Natural Science Foundation of China[41773117] ; National Natural Science Foundation of China[41325014] ; Institute of Eco-Chongming ; ECNU Happiness Flower |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000696782200003 |
| 出版者 | ELSEVIER SCI LTD |
| 资助机构 | National Key R&D Plan, Ministry of Science and Technology of China (Mechanism and chemical process characterization of atmospheric particulate matter multi-isotope fractionation) ; National Natural Science Foundation of China ; Institute of Eco-Chongming ; ECNU Happiness Flower |
| 源URL | [http://ir.ieecas.cn/handle/361006/17004]  |
| 专题 | 地球环境研究所_粉尘与环境研究室 |
| 通讯作者 | Wang, Gehui |
| 作者单位 | 1.East China Normal Univ, Sch Geog Sci, Key Lab Geog Informat Sci, Minist Educ, Shanghai 210062, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China 3.Northwestern Polytech Univ, Sch Publ Policy & Adm, Xian 710061, Peoples R China 4.Inst Ecochongming, 3663 North Zhongshan Rd, Shanghai 200062, Peoples R China 5.Liaocheng Univ, Sch Environm & Planning, Liaocheng 252000, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Can,Liu, Lang,Wang, Gehui,et al. Important contribution of N2O5 hydrolysis to the daytime nitrate in Xi' an, China during haze periods: Isotopic analysis and WRF-Chem model simulation[J]. ENVIRONMENTAL POLLUTION,2021,288:8. |
| APA | Wu, Can.,Liu, Lang.,Wang, Gehui.,Zhang, Si.,Li, Guohui.,...&Zeng, Ying.(2021).Important contribution of N2O5 hydrolysis to the daytime nitrate in Xi' an, China during haze periods: Isotopic analysis and WRF-Chem model simulation.ENVIRONMENTAL POLLUTION,288,8. |
| MLA | Wu, Can,et al."Important contribution of N2O5 hydrolysis to the daytime nitrate in Xi' an, China during haze periods: Isotopic analysis and WRF-Chem model simulation".ENVIRONMENTAL POLLUTION 288(2021):8. |
入库方式： OAI收割
来源：地球环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。