Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JAS-D-17-0133.1 |
Intensification of Large-Scale Stretching of Atmospheric Pollutant Clouds due to Climate Change | |
Haszpra, Timea1,2 | |
2017-12-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES |
ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | Hungary |
英文摘要 | The aim of the paper is to investigate the question of how a changing climate influences the spreading of pollutants on continental and global scales. For characterizing the spreading, a measure of chaotic systems, called topological entropy, is used. This quantity describes the exponential stretching of pollutant clouds and, therefore, is related to the predictability and the complexity of the structure of a pollutant cloud. For the dispersion simulations the ERA-Interim database is used from 1979 to 2015. The simulations demonstrate that during this period the mean topological entropy slightly increases: the length of an initially line-like pollutant cloud advected for 10 (30) days in the atmosphere becomes 20%-65% (200%-400%) longer by the 2010s than in the 1980s. The mean topological entropy is found to be strongly correlated with the mean of the absolute value of the relative vorticity and only weakly linked to the mean temperature. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000427864800008 |
WOS关键词 | NCEP-NCAR REANALYSIS ; NORTHERN-HEMISPHERE ; CYCLONE ACTIVITY ; AIR-QUALITY ; WINTER ; VARIABILITY ; RADIONUCLIDES ; DISPERSION ; ACCIDENT ; ERA-40 |
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/29786 |
专题 | 地球科学 |
作者单位 | 1.Eotvos Lorand Univ, Inst Theoret Phys, Budapest, Hungary; 2.Eotvos Lorand Univ, MTA ELTE Theoret Phys Res Grp, Budapest, Hungary |
推荐引用方式 GB/T 7714 | Haszpra, Timea. Intensification of Large-Scale Stretching of Atmospheric Pollutant Clouds due to Climate Change[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(12). |
APA | Haszpra, Timea.(2017).Intensification of Large-Scale Stretching of Atmospheric Pollutant Clouds due to Climate Change.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(12). |
MLA | Haszpra, Timea."Intensification of Large-Scale Stretching of Atmospheric Pollutant Clouds due to Climate Change".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.12(2017). |
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