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Satellite remote sensing observations and on-site observations on offshore platforms are currently the two most
mainstream means of observing characteristics of marine aerosols. Among them, satellite remote sensing observations
have the advantage of a wide range of observations, while on-site observations on offshore platforms can obtain
observation data with higher time resolution, and have the advantages of easy calibration and maintenance, and high quality
observation data. With the successive launch of my country’s operational marine satellites HY-1C and HY-1D, and
the commissioning of the China Marine Satellite Maritime Calibration and Inspection Field, my country now has the ability
to use marine optical satellites and on-site observation platforms in the area where the marine observation platform is
located. Conditions for joint observation of aerosol characteristic parameters. In this paper, aiming at the offshore waters
of Zhejiang where the Dongou Ocean Comprehensive Observation Platform is located, combining satellite observation
data and field platform observation aerosol optical thickness, Angstrom index, scale distribution and fine-mode ratio, single
scattering albedo, complex refractive index and other data, The analysis of the characteristics of aerosols in the coastal
waters of Zhejiang shows that the aerosol properties in this area are stable and change little during the interannual period.
The aerosol optical thickness is higher in spring and lower in autumn. In summer, the proportion of fine-mode aerosols is
relatively high, the scattering effect is weak, and the absorption effect is relatively strong; while in winter, the coarse mode
aerosols in the sea area occupy a larger proportion, the scattering effect is strong, and the relative absorption effect is weak.
And the quantitative relationship between the single scattering albedo and the absorption coefficient of the aerosol scale
distribution model of the sea area is given.
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