solution 1) above reference ellipsoid m mean_topography mean dynamic topography above geoid m model_dry_tropo_corr rad_surf_type radiometer surface type rad_water_vapor radiometer water vapor content kg/m^2 rad_wet_tropo_corr
1传感器 Tropomi(TROPO spheric Monitoring Instrument,对流层监测仪)可感应紫外(UV)、可见光(VIS)、近(NIR)和短波红外(SWIR),以监测在大气中的臭氧