Blar i NILU Brage på forfatter "Veihelmann, Ben"
-
Impact of 3D cloud structures on the atmospheric trace gas products from UV–Vis sounders – Part 1: Synthetic dataset for validation of trace gas retrieval algorithms
Emde, Claudia; Yu, Huan; Kylling, Arve; Van Roozendael, Michel; Stebel, Kerstin; Veihelmann, Ben (Peer reviewed; Journal article, 2022)Retrievals of trace gas concentrations from satellite observations are mostly performed for clear regions or regions with low cloud coverage. However, even fully clear pixels can be affected by clouds in the vicinity, ... -
Impact of 3D cloud structures on the atmospheric trace gas products from UV–Vis sounders – Part 2: Impact on NO2 retrieval and mitigation strategies
Yu, Huan; Emde, Claudia; Kylling, Arve; Veihelmann, Ben; Mayer, Bernhard; Stebel, Kerstin; Van Roozendael, Michel (Journal article, 2022)Operational retrievals of tropospheric trace gases from space-borne spectrometers are based on one-dimensional radiative transfer models. To minimize cloud effects, trace gas retrievals generally implement a simple cloud ... -
Impact of 3D cloud structures on the atmospheric trace gas products from UV–Vis sounders – Part 3: Bias estimate using synthetic and observational data
Kylling, Arve; Emde, Claudia; Yu, Huan; van Roozendael, Michel; Stebel, Kerstin; Veihelmann, Ben; Mayer, Bernhard (Peer reviewed; Journal article, 2022)Three-dimensional (3D) cloud structures may impact atmospheric trace gas products from ultraviolet–visible (UV–Vis) sounders. We used synthetic and observational data to identify and quantify possible cloud-related bias ...