Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2018GL077065 |
Contributions of Dynamic and Thermodynamic Scaling in Subdaily Precipitation Extremes in India | |
Ali, Haider; Mishra, Vimal | |
2018-03-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:5页码:2352-2361 |
文章类型 | Article |
语种 | 英语 |
国家 | India |
英文摘要 | Despite the importance of subdaily precipitation extremes for urban areas, the role of dynamic and thermodynamic scaling in changes in precipitation extremes in India remains poorly constrained. Here we estimate contributions from thermodynamic and dynamic scaling on changes in subdaily precipitation extremes for 23 urban locations in India. Subdaily precipitation extremes have become more intense during the last few decades. Moreover, we find a twofold rise in the frequency of subdaily precipitation extremes during 1979-2015, which is faster than the increase in daily precipitation extremes. The contribution of dynamic scaling in this rise in the frequency and intensity of subdaily precipitation extremes is higher than the thermodynamic scaling. Moreover, half-hourly precipitation extremes show higher contributions from the both thermodynamic (similar to 10%/K) and dynamic (similar to 15%/K) scaling than daily (6%/K and 9%/K, respectively) extremes indicating the role of warming on the rise in the subdaily precipitation extremes in India. Our findings have implications for better understanding the dynamic response of precipitation extremes under the warming climate over India. Plain Language Summary Understanding the changes in precipitation extremes in urban areas with warming climate can be valuable in mitigating the adverse social and financial consequences. India has witnessed a twofold rise in the frequency of subdaily precipitation extremes during 1979-2015. This increase in the subdaily frequency of extreme precipitation events is higher than the frequency of daily precipitation extremes. Urban areas in India witness flooding due to increasing extreme precipitation events, which caused enormous damage to infrastructure. Despite the increase in subdaily extreme precipitation in India, the contribution of thermodynamic and dynamic scaling remains largely unexplored. We show that subdaily precipitation extremes have substantially larger contribution from thermodynamic and dynamic scaling than that of daily precipitation extremes. We find that subdaily precipitation extremes are more strongly related to changes in variations in the atmospheric motion and increase in vertical velocity than the rise in atmospheric moisture content. Our work will help in understanding the subdaily precipitation extremes in India under the warming climate. |
英文关键词 | precipitation precipitation extremes subdaily scaling relationship dynamic and thermodynamic scaling India |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428402400027 |
WOS关键词 | ASIAN SUMMER MONSOON ; CLIMATE-CHANGE ; HIGHER TEMPERATURES ; RAINFALL EXTREMES ; FUTURE CHANGES ; DRY SPELLS ; SIMULATIONS ; RESOLUTION ; INTENSITY ; PROJECTIONS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/29112 |
专题 | 气候变化 |
作者单位 | Indian Inst Technol, Dept Civil Engn, Gandhinagar, India |
推荐引用方式 GB/T 7714 | Ali, Haider,Mishra, Vimal. Contributions of Dynamic and Thermodynamic Scaling in Subdaily Precipitation Extremes in India[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(5):2352-2361. |
APA | Ali, Haider,&Mishra, Vimal.(2018).Contributions of Dynamic and Thermodynamic Scaling in Subdaily Precipitation Extremes in India.GEOPHYSICAL RESEARCH LETTERS,45(5),2352-2361. |
MLA | Ali, Haider,et al."Contributions of Dynamic and Thermodynamic Scaling in Subdaily Precipitation Extremes in India".GEOPHYSICAL RESEARCH LETTERS 45.5(2018):2352-2361. |
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