| 光谱学与光谱分析 |
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| Study of Red Tide Spectral Characteristics and Its Mechanism |
| CUI Ting-wei1, 2, ZHANG Jie2, 3, MA Yi2, 3, SUN Ling2 |
1. Ocean University of China, Qingdao 266003, China
2. First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
3. Key Lab of Marine Science and Numerical Modeling, State Oceanic Administration, Qingdao 266061, China |
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Abstract In situ spectral data of different red tide, whose dominant species are leptocylindrus danicus, chattonella marina, skeletonema costatum, and mesodinium rubrum, were acquired by above water method utilizing spectrometer manufactured by FieldSpec® Dual VNIR(USA). It is emphasized that the characteristic reflectance peak lying between 687 and 728 nm can be used to distinguish between red tide and normal sea water. Also the spectral discrepancy between different dominant species of red tide is pointed out, which could be utilized to identify certain red tide species by remote sensing technique. Mechanisms of phytoplankton red tide spectra peaks and vales are given. Spectral characteristics of mesodinium rubrum, a kind of protozoan, may be related to its symbiotic alga in its body and phytoplankton pigment crumb. So, research on ingestion preference, symbiotic property with algae, and fluorescence emission character of such symbiotic algae under normal temperature may be helpful for the deep understanding of mechanism of mesodinium rubrum spectra.
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Received: 2005-04-18
Accepted: 2005-08-31
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Corresponding Authors:
CUI Ting-wei
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| Cite this article: |
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CUI Ting-wei,ZHANG Jie,MA Yi, et al. Study of Red Tide Spectral Characteristics and Its Mechanism[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(05): 884-886.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I05/884 |
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