GSTDTAP  > 气候变化
DOI10.1029/2020GL087909
Can Quasi-Periodic Gravity Waves Influence the Shape of Ice Crystals in Cirrus Clouds?
Saha, Sourita1; Kumar, Kondapalli Niranjan1,2; Sharma, Som1; Kumar, Prashant3; Joshi, Vaidehi1
2020-04-17
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2020
卷号47期号:11
文章类型Article
语种英语
国家India
英文摘要

The present work, for the first time, unravels the impact of mesoscale gravity waves on the microphysical changes in cirrus clouds over the subtropical Indian region using Raman lidar, satellite, model simulations, and reanalysis data sets. The cirrus clouds are formed from the convective outflow of large-scale convergence zone extending from south-west to north-east Indian region. These clouds are modulated by the upward propagating gravity waves with time periods similar to 40 and similar to 20 min over the Raman lidar observational site. The wave-induced enhancement of moisture leads to supersaturation thereby controlling the ice crystals' size and shape through depositional freezing. The ice crystals size increases, and they transform to irregular shapes in the presence of wave activity. Therefore, the present work is novel and will have implications toward the uncertainties associated with cirrus clouds in both regional and global climate models.


英文关键词Raman lidar cirrus clouds gravity waves
领域气候变化
收录类别SCI-E
WOS记录号WOS:000543387400023
WOS关键词MICROPHYSICAL PROPERTIES ; RADIATIVE PROPERTIES ; LIDAR ; REGIONS ; CLIMATE ; PARAMETERIZATION ; SUPERSATURATION ; CLASSIFICATION ; TEMPERATURE ; STATISTICS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/249037
专题气候变化
作者单位1.Phys Res Lab, Ahmadabad, Gujarat, India;
2.Minist Earth Sci, Natl Ctr Medium Range Weather Forecasting, New Delhi, India;
3.Space Applicat Ctr, Ahmadabad, Gujarat, India
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Saha, Sourita,Kumar, Kondapalli Niranjan,Sharma, Som,et al. Can Quasi-Periodic Gravity Waves Influence the Shape of Ice Crystals in Cirrus Clouds?[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(11).
APA Saha, Sourita,Kumar, Kondapalli Niranjan,Sharma, Som,Kumar, Prashant,&Joshi, Vaidehi.(2020).Can Quasi-Periodic Gravity Waves Influence the Shape of Ice Crystals in Cirrus Clouds?.GEOPHYSICAL RESEARCH LETTERS,47(11).
MLA Saha, Sourita,et al."Can Quasi-Periodic Gravity Waves Influence the Shape of Ice Crystals in Cirrus Clouds?".GEOPHYSICAL RESEARCH LETTERS 47.11(2020).
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