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Optical sensing of plankton communities and dynamics
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Measurements of particulate optical properties and their implications in biogeochemical variables in the open South China Sea
P-B2-02-S
Guoqiang Qiu* , Xiamen University, Xiamen, China
Xiaogang Xing, Second Institute of Oceanography, Hangzhou, China
Xiao-Hai Yan, University of Delaware, US
Rui Ren, Xiamen University, Xiamen, China
Haili Wang, Xiamen University, Xiamen, China
Presenter Email: guoq,qiu@xmu.edu.cn |
| Understanding and predicting the physical forcing and biogeochemical responses require multidisciplinary observation synchronously. Bio-optical measurements performed from in-situ and remote sensing platforms provide effective tools for retrieving the biogeochemical properties in the ocean. Recently, new generations of miniature, low-power consumption bio-optical sensors have been developed. Integrated on in-water profiling floats, moorings, drifters, gliders and autonomous underwater vehicles, they allow significant extension of in-situ observation across multiple spatial and temporal scales. In the future, more autonomous platforms will be deployed in the open South China Sea (SCS). However, the previous bio-optical measurements were mainly carried out in the coastal or northern part of the SCS, while the in-situ observations in the open SCS are very limited. The concentration, composition, and size distribution of the particles vary largely in different regions, and undoubtedly the performance of the empirical relationships between biogeochemical and bio-optical variables can be better if they are established and applied in a specific region. The main aim of this study is to establish such relationships in the open SCS based on data acquired during a summer cruise. The results can be applied to such autonomous platforms in the SCS, which will expand the observation capability. |
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