DOI: 10.1002/2014GL059453
论文题名: Combined satellite and radar retrievals of drop concentration and CCN at convective cloud base
作者: Rosenfeld D. ; Fischman B. ; Zheng Y. ; Goren T. ; Giguzin D.
刊名: Geophysical Research Letters
ISSN: 0094-10082
EISSN: 1944-9813
出版年: 2014
卷: 41, 期: 9 起始页码: 3259
结束页码: 3265
语种: 英语
英文关键词: cloud-aerosol interactions
Scopus关键词: Clouds
; Drops
; Radar
; Satellites
; Atmospheric systems
; Cloud condensation nuclei
; Convective clouds
; Drop concentrations
; Satellite retrieval
; Simultaneous measurement
; Southern great plains
; U.S. Department of Energy
; Radar measurement
; boundary layer
; cloud condensation nucleus
; convective cloud
; measurement method
; radar
; satellite imagery
英文摘要: The number of activated cloud condensation nuclei (CCN) into cloud drops at the base of convective clouds (Na) is retrieved based on the high-resolution (375m) satellite retrievals of vertical profiles of convective cloud drop effective radius (re). The maximum cloud base supersaturation (S) is calculated when Na is combined with radar-measured updraft and yields CCN(S), which was validated well against ground-based CCN measurements during the conditions of well-mixed boundary layer over the U.S. Department of Energy's Atmospheric System Research Southern Great Plains site. Satellite retrieving Na is a new capability, which is one essential component of simultaneous measurements of cloud microstructure and CCN from space by using clouds as natural CCN chambers. This has to be complemented by a methodology for satellite estimates of cloud base updraft, which is yet to be developed and demonstrated. In the mean time, the retrieved Na can be used for the assimilation of the combined CCN and updraft effects on clouds in models. Key Points Satellite-retrieved convective cloud base drop concentration was validated Cloud base CCN were retrieved when adding cloud-radar-measured updraft Satellite with radar-retrieved CCN at cloud base validated at the DOE/SGP site © 2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84901934036&doi=10.1002%2f2014GL059453&partnerID=40&md5=36ed3e15e1c17dcf8ff92dd68471dc02
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7346
Appears in Collections: 气候减缓与适应
There are no files associated with this item.
作者单位: Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
Recommended Citation:
Rosenfeld D.,Fischman B.,Zheng Y.,et al. Combined satellite and radar retrievals of drop concentration and CCN at convective cloud base[J]. Geophysical Research Letters,2014-01-01,41(9).