Ozone pollution source identification method and system based on satellite remote sensing

Abstract

The embodiment of the invention provides an ozone pollution source identification method and system based on satellite remote sensing, and the system comprises 1) a tropospheric ozone profile inversion module which inverts a tropospheric ozone profile through TropOMI ultraviolet hyperspectral data; 2) a near-surface ozone pollution source indication value inversion module for obtaining the concentrations of near-surface NO2 and HCHO by using TropOMI troposphere NO2 and HCHO column concentration products in combination with an atmospheric chemical model Geos-Chem, and calculating the concentration ratio of the near-surface NO2 to the HCHO to obtain a near-surface ozone pollution source indication value; 3) a near-surface ozone concentration inversion module which integrates NO2, HCHO, ozonemonitoring values of ground national control stations and the like and acquires near-surface ozone concentration through a multiple regression model; and 4) an ozone pollution source target identification module for selecting an ozone heavy pollution area by using the near-surface ozone concentration result, and identifying the ozone pollution source by combining the near-surface ozone pollutionsource indication value and the sub-meter high-resolution image.

Description

technical field [0001] The invention relates to the technical field of satellite remote sensing, in particular to an ozone pollution source identification method and system based on satellite remote sensing. Background technique [0002] Near-surface ozone (O 3 ) pollution occurs frequently in summer, and ozone pollution is currently the most important pollution factor affecting the number of good days in a city. 90% of the ozone in the atmosphere is in the stratosphere and 10% in the troposphere. At the same time, most of the ozone precursors such as nitrogen oxides and VOCs emitted by man-made pollution sources are concentrated in the middle and lower layers of the troposphere. The concentration of ozone columns retrieved directly by satellite remote sensing cannot be accurate. Locate areas heavily polluted by ozone from anthropogenic emissions. Therefore, how to obtain the near-surface ozone concentration and find the source of ozone pollution immediately and accurately...

AI Technical Summary

Problems solved by technology

90% of the ozone in the atmosphere is in the stratosphere and 10% in the troposphere. At the same time, most of the ozone precursors such as nitrogen oxides and VOCs emitted by man-made pollution sources are concentrated in the middle and lower layers of the troposphere. The concentration of ozone columns retrieved directly by satellite remote sensing cannot be accurate. Locate areas heavily polluted by ozone from anthropogenic emissions

Images