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Schäfer, Michael; Rosenburg, Sophie; Ehrlich, André; Röttenbacher, Johannes; Wendisch, Manfred (2024): One-dimensional cloud-top or surface brightness temperature with 20 Hz temporal resolution derived at flight altitude from VELOX-KT19 during the HALO-(AC)³ field campaign [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.967378

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Abstract:
During the HALO-(AC)³ campaign in March-April 2022 airborne observations were performed with the High Altitude LOng range research aircraft (HALO) covering the Fram Strait and north polar regions. The flight tracks covered open ocean areas, the marginal sea ice zone, and closed sea ice cover. Furthermore, cloud conditions were observed during air mass transformation events as marine cold air outbreaks and warm air intrusions. On HALO, thermal infrared radiance, spectrally integrated over the wavelength range from 9.6 µm to 11.5 µm in nadir direction (field of view of 2.3°), was measured by the infrared pyrometer KT19 (model KT19.85 II). The given dataset comprises brightness temperature measurements with a temporal resolution of 20 Hz, provided for 16 HALO research flights (RF) during HALO-(AC)³.
Keyword(s):
brightness temperature; HALO; HALO-(AC)³
Related to:
Ehrlich, André; Crewell, Susanne; Wendisch, Manfred; Giez, Andreas; Zöger, Martin; Mallaun, Christian; Nenakhov, Vladyslav (2024): Master tracks of the HALO research aircraft during the HALO-(AC)³ field campaign in 1 Hz temporal resolution. PANGAEA, https://doi.org/10.1594/PANGAEA.967299
Schäfer, Michael; Wolf, Kevin; Ehrlich, André; Hallbauer, Christoph; Jäkel, Evelyn; Jansen, Friedhelm; Luebke, Anna E; Müller, Joshua; Thoböll, Jakob; Röschenthaler, Timo; Stevens, Bjorn; Wendisch, Manfred (2022): VELOX – a new thermal infrared imager for airborne remote sensing of cloud and surface properties. Atmospheric Measurement Techniques, 15(5), 1491-1509, https://doi.org/10.5194/amt-15-1491-2022
Funding:
German Research Foundation (DFG), grant/award no. 268020496: TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms
German Research Foundation (DFG), grant/award no. 28423678
Coverage:
Latitude: 67.830280 * Longitude: 20.338890
Date/Time Start: 2022-03-13T08:04:00 * Date/Time End: 2022-04-12T15:30:04
Event(s):
HALO_220313a (RF03) * Latitude Start: 67.830280 * Longitude Start: 20.338890 * Latitude End: 67.830280 * Longitude End: 20.338890 * Date/Time Start: 2022-03-13T08:04:00 * Date/Time End: 2022-03-13T16:52:49 * Campaign: HALO_AC3 * Basis: HALO * Method/Device: Aircraft (AC) * Comment: Kiruna - Kiruna
HALO_220314a (RF04) * Latitude Start: 67.830280 * Longitude Start: 20.338890 * Latitude End: 67.830280 * Longitude End: 20.338890 * Date/Time Start: 2022-03-14T08:45:00 * Date/Time End: 2022-03-14T17:19:06 * Campaign: HALO_AC3 * Basis: HALO * Method/Device: Aircraft (AC) * Comment: Kiruna - Kiruna
HALO_220315a (RF05) * Latitude Start: 67.830280 * Longitude Start: 20.338890 * Latitude End: 67.830280 * Longitude End: 20.338890 * Date/Time Start: 2022-03-15T09:04:00 * Date/Time End: 2022-03-15T17:46:39 * Campaign: HALO_AC3 * Basis: HALO * Method/Device: Aircraft (AC) * Comment: Kiruna - Kiruna
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Optional event labelEvent 2
3Date/Time of eventDate/Time
4netCDF filenetCDFInfrared radiation pyrometer, Heitronics, KT19.85II
5netCDF file (File Size)netCDF (Size)BytesInfrared radiation pyrometer, Heitronics, KT19.85II
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
16 data points

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