Kaipeng Li, Yan He, Chunhe Hou, Jian Ma, Zhengyang Jiang, Weibiao Chen, Peng Chen, Fanghua Liu, Yongqiang Chen, Shouchuan Guo. Detection of Chlorophyll Profiles from Coastal to Oceanic Water by Dual-Wavelength Ocean Lidar[J]. Chinese Journal of Lasers, 2021, 48(20): 2010002
- Chinese Journal of Lasers
- Vol. 48, Issue 20, 2010002 (2021)
Fig. 1. Schematic diagram of the DWOL system
![Schematic diagram of 486 nm & 532 nm lasers[18]. (a) Schematic diagram of the laser; (b) internal structure of the lasers](/richHtml/zgjg/2021/48/20/2010002/img_2.jpg)
Fig. 2. Schematic diagram of 486 nm & 532 nm lasers[18]. (a) Schematic diagram of the laser; (b) internal structure of the lasers
Fig. 3. Airborne results. (a) Result for one frame of data from oceanic water at S4; (b) result for one frame of data from coastal water at S1
Fig. 4. Accumulation for 500-frame data. (a) From oceanic water at S4; (b) from coastal water at S1
Fig. 5. Attenuation coefficients of water for 486 nm channel and 532 nm channel at S4 and S1. (a) At S4; (b) at S1
Fig. 6. Profiles of chlorophyll concentration in coastal water obtained in the in-situ shipborne experiment
Fig. 7. Profiles of chlorophyll concentration in oceanic water obtained in the in-situ shipborne experiment
Fig. 8. Chlorophyll concentration inversed with 486 nm data.(a) At S1; (b) at S2; (c) at S3; (d) at S4
Fig. 9. Correlation analysis between the airborne data inversion results and shipborne measurement results at corresponding depth. (a) At S1; (b) at S2; (c) at S3; (d) at S4
Fig. 10. Distribution of attenuation coefficients profiles and the corresponding distribution of CSL profiles. (a)(c) Distribution of attenuation coefficients profiles; (b)(d) corresponding distribution of CSL profiles
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Table 1. Parameters designed for the DWOL system
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