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DOI | 10.1007/s00382-017-3826-3 |
Characteristics of precipitating monsoon clouds over rain-shadow and drought-hit regions of India using radar | |
Morwal, S. B.; Narkhedkar, S. G.; Padmakumari, B.; Maheskumar, R. S.; Kulkarni, J. R. | |
2018-05-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:3571-3594 |
文章类型 | Article |
语种 | 英语 |
国家 | India |
英文摘要 | C-band radars were installed at Baramati and Shegaon as a part of operational cloud seeding program of Maharashtra State in the monsoon season (June-September) 2004. These provided first time a unique opportunity to study (1) characteristics of precipitating monsoon clouds (2) convection and (3) number of seedable clouds over Indian meteorological subdivisions of Madhya Maharashtra (rain-shadow) and Vidarbha (drought-hit). The monsoon season is divided into active and break periods. The cloud characteristics studied are: diurnal variation, cloud top heights and durations. Diurnal variation of cloud frequency shows maximum in the afternoon hours (10-11 UTC) and minimum in the early morning hours (3-4 UTC) in both the periods. Cloud tops show trimodal distributions with modes at 2-3, 8-9 and above 9 km. Mean cloud duration is 55 min. Congestus has been found prominent cloud type (65%) with mean top height of 6.76 km. Frequency of cumulonimbus clouds is found higher in the break periods. Cloud scale is taken as a metric for characterization of convection. Maximum frequency of cloud scale is found at C scale (mesoscale: area 100-1000 km(2)). Mesoscale Convective System has been found dominating convection type. The convection over the area has been shown to be hybrid type, consisting of basic oceanic type modulated by land convection. Convective clouds having maximum reflectivities between 25 and 35 dBZ, suitable for hygroscopic and glaciogenic seeding, are found in a large number. Understanding of characteristics of clouds and convection is useful for the diagnostic and precipitation enhancement studies over the rain-shadow/drought-hit regions. |
英文关键词 | Characteristics of clouds and convection using radar Rain-shadow region of Madhya Maharashtra Drought-hit region of Vidarbha Summer monsoon season Active and break periods Thermodynamical parameters Large scale dynamical processes Statistics of seedable convective clouds |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000429650700024 |
WOS关键词 | MESOSCALE CONVECTIVE SYSTEMS ; VERTICAL WIND SHEAR ; LIVED SQUALL LINES ; TROPICAL CONVECTION ; DIURNAL-VARIATIONS ; PENINSULAR INDIA ; SUMMER MONSOON ; BOUNDARY-LAYER ; TOGA COARE ; SCALE |
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/36041 |
专题 | 气候变化 |
作者单位 | Indian Inst Trop Meteorol, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India |
推荐引用方式 GB/T 7714 | Morwal, S. B.,Narkhedkar, S. G.,Padmakumari, B.,et al. Characteristics of precipitating monsoon clouds over rain-shadow and drought-hit regions of India using radar[J]. CLIMATE DYNAMICS,2018,50:3571-3594. |
APA | Morwal, S. B.,Narkhedkar, S. G.,Padmakumari, B.,Maheskumar, R. S.,&Kulkarni, J. R..(2018).Characteristics of precipitating monsoon clouds over rain-shadow and drought-hit regions of India using radar.CLIMATE DYNAMICS,50,3571-3594. |
MLA | Morwal, S. B.,et al."Characteristics of precipitating monsoon clouds over rain-shadow and drought-hit regions of India using radar".CLIMATE DYNAMICS 50(2018):3571-3594. |
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