A Method and System for Identifying Ozone Pollution Sources Based on Satellite Remote Sensing

Abstract

Embodiments of the present invention provide a method and system for identifying ozone pollution sources based on satellite remote sensing. The system includes: 1) tropospheric ozone profile inversion module, which uses TropOMI ultraviolet hyperspectral data to invert tropospheric ozone profile; 2) near-surface ozone Pollution source indicator value inversion module, using TropOMI tropospheric NO 2 and HCHO column concentration products, combined with the atmospheric chemistry model Geos‑Chem, to obtain near-surface NO 2 and HCHO concentration, calculate the concentration ratio of the two, and obtain the indicator value of near-surface ozone pollution sources; 3) The near-surface ozone concentration inversion module integrates NO 2 , HCHO and ground national control station ozone monitoring values, etc., and the near-surface ozone concentration is obtained through a multiple regression model; 4) The ozone pollution source target identification module uses the near-surface ozone concentration results to select heavily ozone-polluted areas, combined with the near-surface ozone pollution source indication value and sub-meter-level high-resolution images to identify sources of ozone pollution.

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