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学科主题: Remote Sensing ; Imaging Science & Photographic Technology
题名: Diurnal variability of ocean optical properties during a coastal algal bloom: implications for ocean colour remote sensing
作者: [Cui, Tingwei ; Zhang, Jie ; Hao, Yanling ; Yu, Yonggui] SOA, FIO, Qingdao 266061, Peoples R China ; [Cao, Wenxi ; Zu, Tingting ; Wang, Dongxiao] Chinese Acad Sci, SCSIO, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Hao, Yanling] Inner Mongolia Univ, Hohhot 010021, Inner Mongolia, Peoples R China
通讯作者: ctwumb@gmail.com
刊名: INTERNATIONAL JOURNAL OF REMOTE SENSING
发表日期: 2013
卷: 34, 期:23, 页:8301-8318
部门归属: LTO
资助者: This work was jointly funded by the High-tech Research and Development Programme of China [No. 2007AA092102, 2006AA09A310]; the National Natural Science Foundation of China [No. 61265008, 41006012]; the youth talent frontier field project of SCSIO, CAS [No. SQ201002]; Dragon 3 programme [No. 10470].
摘要: Understanding the diurnal variability of ocean optical properties is critical for better interpretation of satellite ocean colour data and characterizing biogeochemical processes. The daytime variability of ocean optical properties throughout an algal bloom event is analysed in this article based on in situ observations from dawn to dusk at a fixed coastal site in the South China Sea. Diurnal variability during the sunlit period of the ocean optical properties is found to be significant. During the 6 hours around noon, the temporal variability (defined by the coefficient of variation) of phytoplankton absorption, coloured dissolved organic matter and non-algal particle absorption, and particle backscattering at 443nm can reach 21%+/- 15%, 12%+/- 9%, and 17%+/- 9%, respectively. The diurnal variability during the bloom is much more pronounced than that of the non-bloom phase. With atmospheric radiative transfer modelling, it is further demonstrated that the geostationary satellite detection of within-day optical variability in algae-dominated waters depends on the reliability of the aerosol retrieval. The implications of the diurnal bio-optical variability for the retrieval, validation, and interpretation of satellite ocean colour products are also discussed.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000325515500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10860
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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[Cui, Tingwei; Zhang, Jie; Hao, Yanling; Yu, Yonggui] SOA, FIO, Qingdao 266061, Peoples R China; [Cao, Wenxi; Zu, Tingting; Wang, Dongxiao] Chinese Acad Sci, SCSIO, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Hao, Yanling] Inner Mongolia Univ, Hohhot 010021, Inner Mongolia, Peoples R China.Diurnal variability of ocean optical properties during a coastal algal bloom: implications for ocean colour remote sensing,INTERNATIONAL JOURNAL OF REMOTE SENSING,2013,34(23):8301-8318
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