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The method of monitoring the vertical column density (VCD) of atmospheric pollution gases by using the scattered solar radiation is proposed and the scheme to ensure the necessary condition is put forward. Under the condition, the VCD of tropospheric NO 2 is retrieved from the scattered solar radiation, which is close to that from the direct solar radiation.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.