光学学报, 2018, 38 (12): 1201001, 网络出版: 2019-05-10
基于航空多角度偏振信息的近海海域非球形气溶胶光学厚度反演研究 下载: 720次
Optical Depth Retrieval of Offshore Sea Nonspherical Aerosol Based on Airborne Multi-Angle Polarization Information
图 & 表
图 1. 细模态气溶胶粒子M4不同纵横轴比的椭球形非球形粒子相函数和线偏振度。(a)长圆椭球粒子, F11;(b)长圆椭球粒子, -F12/F11;(c)扁圆椭球粒子, F11;(d)扁圆椭球粒子, -F12/F11
Fig. 1. Phase functions and linear polarization degrees of ellipsoidal nonspherical particles with different aspect ratios in fine-mode state M4. (a) Prolate spheroid, F11; (b) prolate spheroid, -F12/F11; (c) oblate spheroid, F11; (d) oblate spheroid, -F12/F11
图 2. 粗模态气溶胶粒子M9不同纵横轴比的椭球形非球形粒子相函数和线偏振度。(a)长圆椭球粒子, F11;(b)长圆椭球粒子, -F12/ F11;(c)扁圆椭球粒子, F11;(d)扁圆椭球粒子, -F12/ F11
Fig. 2. Phase functions and linear polarization degrees of ellipsoidal nonspherical particles with different aspect ratios in coarse-mode state M9. (a) Prolate spheroid, F11; (b) prolate spheroid, -F12/F11; (c) oblate spheroid, F11; (d) oblate spheroid, -F12/F11
图 3. 细模态M4等概率椭球形状分布的非球形粒子与球形粒子的散射相矩阵比较。(a) F11;(b) -F12/F11; (c) F22/F11; (d) F33/F11; (e) F34/F11; (f) F44/F11
Fig. 3. Scattering matrix comparison of spherical particles and nonspherical particles with equal-probability ellipsoidal distribution in fine-mode state M4. (a) F11; (b) -F12/F11; (c) F22/F11; (d) F33/F11; (e) F34/F11; (f) F44/F11
图 4. 粗模态M9等概率椭球形状分布的非球形粒子与球形粒子散射相矩阵比较。(a) F11; (b) -F12/F11; (c) F22/F11; (d) F33/F11; (e) F34/F11; (f) F44/F11
Fig. 4. Scattering matrix comparison of spherical particles and nonspherical particles with equal-probability ellipsoidal distribution in coarse-mode state M9. (a) F11; (b) -F12/F11; (c) F22/F11; (d) F33/F11; (e) F34/F11; (f) F44/F11
图 5. 不同态下球形粒子、非球形粒子偏振反射率随气溶胶光学厚度的变化趋势。(a)细模态M4;(b)粗模态M9
Fig. 5. Polarized reflectance versus optical depth for spherical and nonspherical particles in different states. (a) Fine-mode state M4; (b) coarse-mode state M9
图 7. 球形和非球形气溶胶粒子气溶胶光学厚度反演结果。(a)上午;(b)下午
Fig. 7. Retrieval results of optical depths of spherical and nonspherical aerosol particles. (a) Morning; (b) afternoon
表 1主要飞行参数
Table1. Main parameters for flight
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表 2球形模式和非球形模式反演的气溶胶光学厚度均值与相对均方误差
Table2. Average value and relative root-mean-square error of spherical and nonspherical aerosols
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提汝芳, 孙晓兵, 李树, 陈震霆, 乔延利. 基于航空多角度偏振信息的近海海域非球形气溶胶光学厚度反演研究[J]. 光学学报, 2018, 38(12): 1201001. Rufang Ti, Xiaobing Sun, Shu Li, Zhenting Chen, Yanli Qiao. Optical Depth Retrieval of Offshore Sea Nonspherical Aerosol Based on Airborne Multi-Angle Polarization Information[J]. Acta Optica Sinica, 2018, 38(12): 1201001.