Attenuation Rule of Underwater Irradiation of Artificial Light Source

Ze Jin Gao; Xian Qiu Zhang; Guo Xiang Wang; Liang Zhang; Min Qing Wang; Zai Yong Ni; Chao Yan; Rong Jun Lu

doi:10.4028/www.scientific.net/AMR.807-809.215

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Attenuation Rule of Underwater Irradiation of...

Attenuation Rule of Underwater Irradiation of Artificial Light Source

Abstract:

Using artificial light source to supplement light for submerged plants in water where the illumination is insufficient can promote the growth and improve the purification ability of submerged plants. The attenuation rule of underwater irradiation is the key to design and place the lamps. High-precision underwater spectrograph was adopted to study the underwater light spectrum and attenuation rule of underwater irradiation. The results showed that the attenuation rate of total irradiation (E) with depth (h) and turbidity (t) in algae water is the most remarkable; the relationships of E with h and t in different water were E₁(t,h)=E₀e^-K(t)h=E₀e^{-(0.1345t+0.1206)h}(muddy water), E₂(t,h)=E₀e^-K(t)h=E₀e^{-(0.203t+0.4684)h}(algae water) and E₃(t,h)=E₀e^-K(t)h=E₀e^{-(0.1708t+0.2279)h}(mixed water). By these relationships, the position of artificial light could be calculated.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

215-218

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.215

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Online since:

September 2013

Authors:

Ze Jin Gao, Xian Qiu Zhang, Guo Xiang Wang, Liang Zhang, Min Qing Wang, Zai Yong Ni, Chao Yan, Rong Jun Lu

Keywords:

Artificial Light Source, Attenuation, Depth, Total Irradiation Intensity, Turbidity

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