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| DOI | 10.1016/j.atmosenv.2021.118824 |
| Enhanced stratospheric intrusion at Lulin Mountain, Taiwan inferred from beryllium-7 activity | |
| Huang S.; Huang P.-R.; Newman S.; Li K.-F.; Lin Y.-C.; Huh C.-A.; Lin N.-H.; Hsu S.-C.; Liang M.-C. | |
| 发表日期 | 2022 |
| ISSN | 1352-2310 |
| 卷号 | 268 |
| 英文摘要 | Beryllium-7 (7Be), produced by the interaction of cosmic radiation with atoms and molecules primarily in the upper troposphere and lower stratosphere, provides a useful tracer of cross-tropopause transport and vertical mixing in the troposphere. In the western Pacific subtropical region, the interaction of the subtropical jet stream with monsoon systems potentially enhances the transport. Here, we report one year of 7Be measurements at daily resolution during 2010, at Mt. Lulin (2862 m above mean sea level; NOAA code: LLN), along with other gaseous compounds such as O3 and CO and meteorological information, to assess processes that affect the variability of 7Be. The 7Be concentrations are of the order 1 mBq/m3 or less. The 7Be activity is generally low during summer, largely due to precipitation and unfavorable conditions of atmospheric dynamics (i.e., prevalence of upward motion), but it is occasionally high because of the influence of typhoons. In winter and spring, stratospheric effects observed at the surface were frequent and significant, thereby directly affecting the strength of stratospheric effects on the troposphere, such as the tropospheric oxidation capacity. The effects of the stratospheric intrusions are seen by negative and positive correlations of 7Be with relative humidity and concentration of O3, respectively. The stratospheric effect is further supported by the presence of downwelling transport in this region in the European Centre for Medium-Range Weather Forecasts-Atmospheric Composition Reanalysis Version 4 CO, O3, and relative humidity data. © 2021 Elsevier Ltd |
| 关键词 | Atmospheric transportCosmogenic 7BeMonsoonStratospheric intrusionSubtropical jetTyphoon |
| 语种 | 英语 |
| scopus关键词 | Atmospheric composition; Atmospheric humidity; Cosmology; Hurricanes; Sea level; Storms; Tropics; Troposphere; Upper atmosphere; Weather forecasting; Atmospheric transport; Beryllium-7; Cosmogenic 7be; Cosmogenics; Lower stratosphere; Stratospheric effects; Stratospheric intrusion; Subtropical jet; Typhoon; Upper troposphere; Atmospheric thermodynamics; beryllium 7; carbon monoxide; ozone; atmospheric dynamics; beryllium isotope; downwelling; jet stream; layered intrusion; relative humidity; stratosphere; troposphere; vertical mixing; air monitoring; air quality; Article; atmospheric transport; biomass production; circadian rhythm; concentration (parameter); cosmic radiation; data correlation; gas analysis; gas mixing; hurricane; isotope analysis; latitude; oxidation kinetics; oxygen concentration; precipitation; radioactivity; relative humidity; seasonal variation; solar cycle; stratosphere; time series analysis; troposphere; velocity; Mount Lulin; Taiwan |
| 来源期刊 | ATMOSPHERIC ENVIRONMENT
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/248146 |
| 作者单位 | Institute of Earth Sciences, Academia Sinica, Nankang, Taipei, Taiwan; Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan; Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, United States; Department of Environmental Sciences, University of California, Riverside, CA, United States; Yale-NUIST Center on Atmospheric Environment, Nanjing University of Information Science and Technology, Nanjing, China; Department of Atmospheric Sciences, National Central University, Jhongli, Taiwan; Center for Environmental Monitoring Technology, National Central University, Jhongli, Taiwan; Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan |
| 推荐引用方式 GB/T 7714 | Huang S.,Huang P.-R.,Newman S.,et al. Enhanced stratospheric intrusion at Lulin Mountain, Taiwan inferred from beryllium-7 activity[J],2022,268. |
| APA | Huang S..,Huang P.-R..,Newman S..,Li K.-F..,Lin Y.-C..,...&Liang M.-C..(2022).Enhanced stratospheric intrusion at Lulin Mountain, Taiwan inferred from beryllium-7 activity.ATMOSPHERIC ENVIRONMENT,268. |
| MLA | Huang S.,et al."Enhanced stratospheric intrusion at Lulin Mountain, Taiwan inferred from beryllium-7 activity".ATMOSPHERIC ENVIRONMENT 268(2022). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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