| 光谱学与光谱分析 |
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| Reflectance of Sea Ice in Liaodong Bay |
| XU Zhan-tang1, 2, YANG Yue-zhong1*, WANG Gui-fen1, CAO Wen-xi1，KONG Xiang-peng3 |
1. Key Laboratory of Tropical Marine Environment Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3. Institute of Environmental Science and Engineering of Dalian Marine University，Dalian 116026, China |
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Abstract In the present study, the relationships between sea ice albedo and the bidirectional reflectance distribution in Liaodong Bay were investigated. The results indicate that: (1)sea ice albedo α(λ) is closely related to the components of sea ice, the higher the particulate concentration in sea ice surface is, the lower the sea ice albedo α(λ) is. On the contrary, the higher the bubble concentration in sea ice is, the higher sea ice albedo α(λ) is. (2)Sea ice albedo α(λ) is similar to the bidirectional reflectance factor Rf when the probe locates at nadir. The Rf would increase with the increase in detector zenith θ, and the correlation between Rf and the detector azimuth would gradually increase. When the θ is located at solar zenith 63°, the Rf would reach the maximum, and the strongest correlation is also shown between the Rf and the detector azimuth. (3)Different types of sea ice would have the different anisotropic reflectance factors.
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Received: 2009-10-09
Accepted: 2010-01-08
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Corresponding Authors:
YANG Yue-zhong
E-mail: wuli@scsio.ac.cn
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