Aircraft measurements of broadband irradiances onboard Polar 5 and Polar 6 during the HALO-(AC)³ campaign in spring 2022 ...

• Main Authors: Becker, Sebastian, Ehrlich, André, Wendisch, Manfred
• Format: Dataset
• Language: English
• Published: PANGAEA 2023
• Subjects: Broadband radiation; HALO-AC³; irradiance; Polar 5; Polar 6; Event label; Campaign of event; Date/Time of event; netCDF file; netCDF file File Size; Aircraft; Radiometers, Kipp&Zonen, CMP22 0.2-3.6 µm and CGR4 4.5-42 µm; P5_232_HALO_2022; P6_231_HALO_2022; POLAR 5; POLAR 6; Arctic Amplification AC3; Arctic; Svalbard
• Online Access: https://dx.doi.org/10.1594/pangaea.963654; https://doi.pangaea.de/10.1594/PANGAEA.963654

During the HALO-(AC)³ campaign performed in March/April 2022, broadband solar and thermal-infrared irradiances in the vicinity of Svalbard were measured by pairs of CMP22 (0.2-3.6 µm) and CGR4 (4.5-42 µm) radiometers (Kipp&Zonen), respectively, onboard Polar 5 and Polar 6. The data set contains time series of both upward and downward solar and thermal-infrared irradiances obtained during in total 26 research flights (13 with each aircraft). All irradiances were corrected for instrument inertia (Ehrlich and Wendisch, 2015), the solar downward irradiance additionally for the aircraft attitude (Bannehr and Schwiesow, 1993). Since the latter correction is only valid for cloud-free conditions dominated by direct illumination, both a corrected and an uncorrected version are given. A rough cloud flag is included in the data set to distinguish between situations dominated by direct and diffuse illumination. To avoid too large uncertainties, the attitude flag can be used to filter situations with aircraft ...