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DOI | 10.1002/2017JD027759 |
Vertical Structure and Radiative Forcing of Monsoon Clouds Over Kanpur During the 2016 INCOMPASS Field Campaign | |
George, Geet1; Sarangi, Chandan2,3; Tripathi, Sachchida Nand2,4; Chakraborty, Tirthankar4,5; Turner, Andrew6,7 | |
2018-02-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2018 |
卷号 | 123期号:4页码:2152-2174 |
文章类型 | Article |
语种 | 英语 |
国家 | India; USA; England |
英文摘要 | An overview of cloud vertical structure (CVS) and cloud radiative forcing (CRF) during Indian summer monsoon is obtained over Kanpur, through observations made during the Interaction of Convective Organisation and Monsoon Precipitation, Atmosphere, Surface and Sea field campaign of 2016. Associations of CVS parameters with CRF at surface and top of atmosphere (TOA) are also investigated. One hundred thirty-seven radiosondes were launched at Indian Institute of Technology Kanpur, between 5 and 28 July 2016. CVS is determined using an algorithm that identifies cloud layers from vertical profiles of relative humidity, with altitude-dependent relative humidity thresholds. CVS is analyzed by separating the campaign period on the basis of presence and absence of depressions/low-pressure systems. Compared to nondepression periods, low-pressure events showed significant difference in all CVS and CRF parameters except cloud top height. CVS was multilayered in similar to 75% launches, with deep, mixed-phase clouds being present in similar to 70% launches. CRF was calculated from clear-sky measurements and TOA observations from Clouds and the Earth's Radiant Energy System satellite retrievals, and surface measurements. A net cooling effect was found overall, with instantaneous shortwave CRF (mean values of -95.92 and -101.89 W/m(2) at surface and TOA, respectively) dominating longwave cloud radiative forcing (LWCRF) (mean values of 15.33 and 66.55 W/m(2) at surface and TOA, respectively). Results suggest that shortwave CRF depends on total depth of cloud layers and is independent of cloud altitude, whereas LWCRF depends on both depth and vertical location of cloud layers, with base and top heights regulating LWCRF at surface and TOA, respectively. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000427774500016 |
WOS关键词 | GENERAL-CIRCULATION MODEL ; UPPER-AIR OBSERVATIONS ; INDIAN MONSOON ; REGION ; DEPRESSIONS ; CLIMATE ; ATMOSPHERE ; RADIOSONDE ; SATELLITE ; SURFACE |
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/33090 |
专题 | 气候变化 |
作者单位 | 1.IIT Kanpur, Environm Engn & Management Programme, Kanpur, Uttar Pradesh, India; 2.IIT Kanpur, Dept Civil Engn, Kanpur, Uttar Pradesh, India; 3.Pacific Northwest Natl Lab, Atmospher Sci & Global Change, Richland, WA USA; 4.IIT Kanpur, Ctr Environm Sci & Engn, Kanpur, Uttar Pradesh, India; 5.Yale Univ, Sch Forestry & Environm Studies, New Haven, CT 06511 USA; 6.Univ Reading, Dept Meteorol, Reading, Berks, England; 7.Univ Reading, Natl Ctr Atmospher Sci, Reading, Berks, England |
推荐引用方式 GB/T 7714 | George, Geet,Sarangi, Chandan,Tripathi, Sachchida Nand,et al. Vertical Structure and Radiative Forcing of Monsoon Clouds Over Kanpur During the 2016 INCOMPASS Field Campaign[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(4):2152-2174. |
APA | George, Geet,Sarangi, Chandan,Tripathi, Sachchida Nand,Chakraborty, Tirthankar,&Turner, Andrew.(2018).Vertical Structure and Radiative Forcing of Monsoon Clouds Over Kanpur During the 2016 INCOMPASS Field Campaign.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(4),2152-2174. |
MLA | George, Geet,et al."Vertical Structure and Radiative Forcing of Monsoon Clouds Over Kanpur During the 2016 INCOMPASS Field Campaign".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.4(2018):2152-2174. |
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