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题名: Comparison of CERES surface radiation fluxes with surface observations over Loess Plateau
作者: Yan, HR(阎虹如); Huang, JP(黄建平); Minnis, P; Wang, TH(王天河); Bi, JR(闭建荣)
收录类别: SCIE ; EI ; BIOSIS
出版日期: 2011-06-15
刊名: REMOTE SENSING OF ENVIRONMENT
卷号: 115, 期号:6, 页码:1489-1500
出版者: ELSEVIER
出版地: NEW YORK
英文摘要: Surface energy budget is an important factor in weather and climate processes. To estimate the errors in satellite-retrieved surface radiation budget over the interior of China, instantaneous-footprint surface radiation fluxes from the Terra/Aqua FLASHFlux SSF product are compared with the measurements taken at the Semi-Arid Climate and Environment Observatory of Lanzhou University (SACOL) from July 2008 to March 2010. Validation is performed separately for different conditions: clear-sky and cloudy-sky, daytime and nighttime for four seasons. Differences between the FLASHFlux CERES shortwave radiation flux and surface measurements have larger standard deviations in cloudy-sky conditions than in clear-sky conditions, indicating that cloud contamination increases uncertainty in the retrieval algorithm. Upward shortwave radiation flux (USW) is overestimated in cloudy conditions suggesting that the cloud parameters and surface scene type in the retrieval process are not optimal for northwestern China. The CERES downward longwave radiation fluxes (DLW) accurately follow the variation of surface measurements during daytime, but are slightly underestimated during nighttime due to the coarse sounding profile and undetected low clouds at nighttime. The CERES upwelling longwave radiation fluxes (ULW) are strongly underestimated during daytime but are slightly underestimated during nighttime regardless of cloud coverage. This large bias could be caused by an underestimate of surface skin temperature and/or surface emissivity, or spatial inhomogeneity around the site. Generally, except for diurnal ULW, other components of the surface radiative fluxes obtained from CERES SSF datasets are close to meeting the accuracy requirements for climate research. (C) 2011 Elsevier Inc. All rights reserved.
关键词: surface radiative fluxes ; CERES/SSF ; validation
作者部门: [Yan, Hongru ; Huang, Jianping ; Wang, Tianhe ; Bi, Jianrong] Lanzhou Univ, Coll Atmospher Sci, Minist Educ, Key Lab Semiarid Climate Change, Lanzhou 730000, Peoples R China ; [Minnis, Patrick] NASA, Langley Res Ctr, Hampton, VA 23666 USA
通讯作者: Huang, JP (reprint author), Lanzhou Univ, Coll Atmospher Sci, Minist Educ, Key Lab Semiarid Climate Change, Lanzhou 730000, Peoples R China.
学科分类: Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology
文章类型: Article
所属项目编号: Lanzhou University [985] ; National Science Foundation of China [40725015, 40905007] ; Fundamental Research Funds for the Central Universities [LZUJBKY-2010-10] ; Ministry of Education, China ; NASA
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金 ; 美国国家航空航天局项目
项目资助者: NSFC ; MOE ; LZU ; NASA
语种: 英语
DOI: 10.1016/j.rse.2011.02.008
ISSN号: 0034-4257
WOS记录号: WOS:000290011200018
EI记录号: 20111413891750
BIOSIS记录号: BIOSIS:PREV201100319388
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/119231
Appears in Collections:大气科学学院_期刊论文

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Recommended Citation:
Yan, HR,Huang, JP,Minnis, P,et al. Comparison of CERES surface radiation fluxes with surface observations over Loess Plateau[J]. REMOTE SENSING OF ENVIRONMENT,2011,115(6):1489-1500.
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