Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020JD032458 |
Impacts of Two East Asian Atmospheric Circulation Modes on Black Carbon Aerosol Over the Tibetan Plateau in Winter | |
Yuan, Tiangang1; Chen, Siyu1; Wang, Lin2; Yang, Yaoxian3,4; Bi, Hongru1; Zhang, Xiaorui1; Zhang, Yue1 | |
2020-06-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2020 |
卷号 | 125期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Light-absorbing particles over the Tibetan Plateau (TP) can accelerate glacial retreat, thus causing a series of serious environmental and social problems. Previous studies mainly focus on seasonal transport of aerosols over the TP, while the potential factors influencing the subseasonal variation in airborne black carbon (BC) are almost ignored. In this study, the Weather Research and Forecasting coupled with chemistry (WRF-Chem) model and multiple observations are used to investigate the impacts of East Asian atmospheric circulation on BC aerosol over the TP in winter. Results show that the weakness of westerly wind over northern TP, acceleration of westerly wind over southern TP, and eastward shift of East Asia major trough are responsible for the high BC concentration over east slope of the TP. In this circumstance, more BC from northern India can be transported to eastern TP and the south slopes of the TP by the enhanced westerly wind. The intensified southwesterly wind over eastern TP brings more BC from the Sichuan Basin to northeastern TP. The BC can also penetrate to eastern TP in planetary boundary layer. Subsequently, the weakened westerly wind over northern TP and positive anomalous updrafts over east slope of the TP support the accumulation and uplift of BC. Another circulation mode is opposite to the pattern above and results in low BC concentration over the TP. These two circulation modes are possibly associated with the low-level meridional temperature anomaly over East Asia, which modulates the upper level atmospheric circulation through the transient eddy feedback. |
英文关键词 | black carbon East Asian winter monsoon Tibetan Plateau transport WRF-Chem |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000544936500001 |
WOS关键词 | TRANS-PACIFIC TRANSPORT ; MINERAL DUST ; SUMMER MONSOON ; SNOW COVER ; PART I ; CHINA ; CLIMATE ; EMISSIONS ; REGION ; DEPOSITION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/289475 |
专题 | 气候变化 |
作者单位 | 1.Lanzhou Univ, Coll Atmospher Sci, Minist Educ, Key Lab Semiarid Climate Change, Lanzhou, Gansu, Peoples R China; 2.Chinese Acad Sci, Inst Atmospher Phys, Ctr Monsoon Syst Res, Beijing, Peoples R China; 3.Chinese Acad Sci, State Key Lab Numer Modeling Atmospher Sci & Geop, Inst Atmospher Phys, Beijing, Peoples R China; 4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Yuan, Tiangang,Chen, Siyu,Wang, Lin,et al. Impacts of Two East Asian Atmospheric Circulation Modes on Black Carbon Aerosol Over the Tibetan Plateau in Winter[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(12). |
APA | Yuan, Tiangang.,Chen, Siyu.,Wang, Lin.,Yang, Yaoxian.,Bi, Hongru.,...&Zhang, Yue.(2020).Impacts of Two East Asian Atmospheric Circulation Modes on Black Carbon Aerosol Over the Tibetan Plateau in Winter.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(12). |
MLA | Yuan, Tiangang,et al."Impacts of Two East Asian Atmospheric Circulation Modes on Black Carbon Aerosol Over the Tibetan Plateau in Winter".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.12(2020). |
条目包含的文件 | 条目无相关文件。 |
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。
修改评论