Fig. 1. Schematic diagram of the DWOL system

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