Fig. 1. Flowchart of dynamic resolution PSD retrieval based on DPC data

Fig. 2. Gamma function distributions of water cloud droplets for cloud effective particle radii of 1 and 20 µm and variances of 0.01 and 0.20

Fig. 3. Variation of polarization phase function of water cloud. (a) Variation with effective particle radius; (b) variation with effective particle variance

Fig. 4. Principle of multi-angle imaging of DPC and observational geometry across equatorial in orbit 3896

Fig. 5. Multi-view observation geometry distributions of DPC obtained by equidistant sampling in the cross-track direction. (a) geometry 1; (b) geometry 2; (c) geometry 3; (d) geometry 4; (e) geometry 5; (f) geometry 6; (g) geometry 7; (h) geometry 8

Fig. 6. Simulation inversion results of simulation data of different effective particle radii. (a) r_e=5; (b) r_e=10; (c) r_e=15

Fig. 7. DPC results in sample region. (a) True-color image; (b) cloud detection result; (c) cloud phase identification result; (d) optimization result of dynamic inversion scale

Fig. 8. Comparison between MODIS and DPC. (a) MODIS cloud effective particle radius product; (b) dynamic resolution-based DPC cloud effective particle radius inversion result; (c) distribution of deviation between them

Fig. 9. Comparison of cloud effective particle radius products between MODIS and DPC at each pixel. (a) Scatter regression analysis; (b) histogram statistical results