DOI: 10.1002/jgrd.50648
论文题名: Cloud optical and microphysical properties derived from ground-based and satellite sensors over a site in the Yangtze Delta region
作者: Liu J. ; Li Z. ; Zheng Y. ; Chiu J.C. ; Zhao F. ; Cadeddu M. ; Weng F. ; Cribb M.
刊名: Journal of Geophysical Research Atmospheres
ISSN: 21698996
出版年: 2013
卷: 118, 期: 16 起始页码: 9141
结束页码: 9152
语种: 英语
Scopus关键词: Overpasses
; Radiometers
; Analytical spectral devices
; Ground-based instruments
; Microphysical property
; Moderate resolution imaging spectroradiometer
; Multi-channel microwave radiometers
; Multifilter rotating shadowband radiometers
; Radiance measurement
; Space-borne instruments
; Satellite imagery
; Aqua (satellite)
; chemical oxygen demand
; cloud microphysics
; frequency analysis
; measurement method
; MODIS
; optical depth
; optical method
; radiometer
; satellite imagery
; China
; Yangtze Delta
英文摘要: Comprehensive surface-based retrievals of cloud optical and microphysical properties were made at Taihu, a highly polluted site in the central Yangtze Delta region, during a research campaign from May 2008 to December 2009. Cloud optical depth (COD), effective radius (Re), and liquid water path (LWP) were retrieved from measurements made with a suite of ground-based and spaceborne instruments, including an Analytical Spectral Devices spectroradiometer, a multifilter rotating shadowband radiometer, a multichannel microwave radiometer profiler, and the Moderate Resolution Imaging Spectroradiometer (MODIS) on Terra and Aqua satellites. Retrievals from zenith radiance measurements capture better the temporal variation of cloud properties than do retrievals from hemispherical fluxes. Annual mean LWP, COD, and Re are 115.8 ± 90.8 g/m2, 28.5 ± 19.2, and 6.9 ± 4.2 μm. Over 90% of LWP values are less than 250 g/m2. Most of the COD values (>90%) fall between 5 and 60, and ~80% of Re values are less than 10 μm. Maximum (minimum) values of LWP and Re occur in summer (winter); COD is highest in winter and spring. Raining and nonraining clouds have significant differences in LWP, COD, and Re. Rainfall frequency is best correlated with LWP, followed by COD and Re. Cloud properties retrieved from multiple ground-based instruments are also compared with those from satellite retrievals. On average, relative to surface retrievals, mean differences of satellite retrievals in cloud LWP, COD, and Re were -33.6 g/m2 (-26.4%), -5.8 (-31.4%), and 2.9 μm (29.3%) for 11 MODIS-Terra overpasses and -43.3 g/m2 (-22.3%), -3.0 (-10.0%), and -1.3 μm (-12.0%) for 8 MODIS-Aqua overpasses, respectively. These discrepancies indicate that MODIS cloud products still suffer from large uncertainties in this region. © 2013. Her Majesty the Queen in Right of Canada. American Geophysical Union. 资助项目: 40637035
; 41175019
; NNX08AH71G
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/63384
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: State Laboratory of Earth Surface Process and Resource Ecology, College of Global Change and Earth System Science, Beijing Normal University, Xinjiekouwai Street No.19, Beijing, 100875, China; Department of Atmospheric and Oceanic Science, Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, United States; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science and Technology, Nanjing, China; Department of Meteorology, University of Reading, Reading, United Kingdom; Argonne National Laboratory, Lemont, IL, United States; NOAA/Center for Satellite Applications and Research, College Park, MD, United States
Recommended Citation:
Liu J.,Li Z.,Zheng Y.,et al. Cloud optical and microphysical properties derived from ground-based and satellite sensors over a site in the Yangtze Delta region[J]. Journal of Geophysical Research Atmospheres,2013-01-01,118(16)