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| DOI | 10.1029/2020GL088488 |
| Record Lack of Cyclones in Southern Australia During 2019 | |
| Pepler A. | |
| 发表日期 | 2020 |
| ISSN | 0094-8276 |
| 卷号 | 47期号:13 |
| 英文摘要 | Australia experienced its driest calendar year on record in 2019. A number of factors contributed to the persistently dry conditions, including a record-low number of cyclones in the Australian region south of 30°S as well as very high numbers of anticyclones during the southern wet season (April–September). The record year is likely a result of natural climate variability together with an underlying trend. The number of cyclones in southern Australia has decreased since 1979, and the number of cool season anticyclones has increased, although large interannual variability means that these trends currently cannot be distinguished from natural variability. However, the longer NCEP1 and JRA55 reanalyses provide evidence of a long-term decline in cyclone frequency in southern Australia since the 1950s. ©2020. American Geophysical Union. All Rights Reserved. |
| 英文关键词 | Atmospheric pressure; Cool seasons; Cyclone frequency; Dry condition; Interannual variability; Natural climate variabilities; Natural variability; Number of factors; Wet season; Storms; annual variation; anticyclone; climate modeling; climate variation; dry season; trend analysis; wet season; Australia |
| 语种 | 英语 |
| 来源期刊 | Geophysical Research Letters
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/170188 |
| 作者单位 | Australian Bureau of Meteorology, Sydney, Australia |
| 推荐引用方式 GB/T 7714 | Pepler A.. Record Lack of Cyclones in Southern Australia During 2019[J],2020,47(13). |
| APA | Pepler A..(2020).Record Lack of Cyclones in Southern Australia During 2019.Geophysical Research Letters,47(13). |
| MLA | Pepler A.."Record Lack of Cyclones in Southern Australia During 2019".Geophysical Research Letters 47.13(2020). |
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