A bio-optical inversion model to retrieve absorption contributions and phytoplankton size structure from total minus water spectral absorption using genetic algorithm
[Lin Junfang; Cao Wenxi; Zhou Wen; Hu Shuibo; Wang Guifen; Sun Zhaohua; Xu Zhantang] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; Hu Shuibo] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Song Qingjun] State Ocean Adm, Natl Satellite Ocean Applicat Serv NSOAS, Beijing 100049, Peoples R China; wxcao@scsio.ac.cn
2013
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号31期号:5页码:970-978
摘要We propose a bio-optical inversion model that retrieves the absorption contributions of phytoplankton and colored detrital matter (CDM), as well as the phytoplankton size classes (PSCs), from total minus water absorption spectra. The model is based on three-component separation of phytoplankton size structure and a genetic algorithm. The model performance was tested on two independent datasets (the NASA bio-Optical Marine Algorithm Dataset (NOMAD) and the northern South China Sea (NSCS) dataset). The relationships between the estimated and measured values were strongly linear, especially for a (CDM) (412), and the Root Mean Square Error (RMSE) of the CDM exponential slope (S (CDM)) was relatively low. Next, the inversion model was directly applied to in-situ total minus water absorption spectra determined by an underwater meter during a cruise in September 2008, to retrieve the phytoplankton size structure in the seawater. By comparing the measured and retrieved chlorophyll a concentrations, we demonstrated that total and size-specific chlorophyll a concentrations could be retrieved by the model with relatively high accuracy. Finally, we applied the bio-optical inversion model to investigate changes in phytoplankton size structure induced by an anti-cyclonic eddy in the NSCS.
部门归属LTO
关键词Inversion Phytoplankton Size Classes Absorption Coefficients Genetic Algorithm
学科领域Limnology ; Oceanography
资助者The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises.
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语种英语
资助者The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises. ; The support of SeaBASS and all contributors to the NOMAD dataset for in-situ data are gratefully acknowledged. We also express our appreciation to the many colleagues in our group, who supported the open cruises.
WOS记录号WOS:000324111300004
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10886
专题热带海洋环境国家重点实验室(LTO)
通讯作者wxcao@scsio.ac.cn
推荐引用方式
GB/T 7714
[Lin Junfang,Cao Wenxi,Zhou Wen,et al. A bio-optical inversion model to retrieve absorption contributions and phytoplankton size structure from total minus water spectral absorption using genetic algorithm[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2013,31(5):970-978.
APA [Lin Junfang.,Cao Wenxi.,Zhou Wen.,Hu Shuibo.,Wang Guifen.,...&wxcao@scsio.ac.cn.(2013).A bio-optical inversion model to retrieve absorption contributions and phytoplankton size structure from total minus water spectral absorption using genetic algorithm.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,31(5),970-978.
MLA [Lin Junfang,et al."A bio-optical inversion model to retrieve absorption contributions and phytoplankton size structure from total minus water spectral absorption using genetic algorithm".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 31.5(2013):970-978.
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