Spectral features of solar radiation in sea ice of Bohai Sea

QU Ping; ZHAO Jin-ping; LI Shu-jiang; CAO Wen-xi; XU Da-zhi

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QU Ping, ZHAO Jin-ping, LI Shu-jiang, CAO Wen-xi, XU Da-zhi. Spectral features of solar radiation in sea ice of Bohai Sea[J]. Haiyang Xuebao, 2009, 31(1): 37-43.

Citation:

QU Ping, ZHAO Jin-ping, LI Shu-jiang, CAO Wen-xi, XU Da-zhi. Spectral features of solar radiation in sea ice of Bohai Sea[J]. Haiyang Xuebao, 2009, 31(1): 37-43.

QU Ping, ZHAO Jin-ping, LI Shu-jiang, CAO Wen-xi, XU Da-zhi. Spectral features of solar radiation in sea ice of Bohai Sea[J]. Haiyang Xuebao, 2009, 31(1): 37-43.

Citation:

QU Ping, ZHAO Jin-ping, LI Shu-jiang, CAO Wen-xi, XU Da-zhi. Spectral features of solar radiation in sea ice of Bohai Sea[J]. Haiyang Xuebao, 2009, 31(1): 37-43.

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Spectral features of solar radiation in sea ice of Bohai Sea

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
Ocean University of China, Qingdao, 266100, China
3.
South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China

Received Date: 2008-05-15
Rev Recd Date: 2008-12-22

Abstract

Abstract

Sea ice is a yearly occurred phenomenon in Bohai Sea of China.Optical feature of sea ice is important to the evolution of ice it self.In this study,a multi-spectral instrument system with 11 wavelengths was used to measure the incident,reflected,and transmitted radiations and their daily variations for the costal fastice in three locations near the Yingkou Harbor,west flank of the Liaodong Peninsula.Although the spectral distribution of arrived solar radiation was a double peaks structure,the reflectance and transmission were discrepant with it.Integrals of incidence,reflectance and transmission radiations are perfectly simulated by linear functions of solar height,and the albedo is simulated by a quadric function of solar height,which can revert the observation values in different time of day to that in noontime and make them comparable.The attenuation feature of sea ice for solar light is quite special that the at tenuated radiation by sea ice was independent of the solar radiation intensity and wavelength.As the ice thickness and of components in sea ice changed a little during the experiment,as a short coming of this paper,the impact from the thickness and microstructure of sea ice cannot be studied.
- Bohai Sea,
- sea ice,
- optics,
- solar radiation,
- spectral distribution

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References(27)

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