Citation:

PANGAEA.931404

Name: Tethered balloon-borne measurements of turbulence on 2020-07-13 from 11:53 to 15:20 during MOSAiC leg 4
Published: 2021-05-10
License: https://creativecommons.org/licenses/by/4.0/
Keywords: ABL; Arctic; BELUGA; MOSAiC expedition; Tethered balloon; turbulence

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Abstract:

The tethered balloon system BELUGA (Balloon-bornE moduLar Utility for profilinG the lower Atmosphere) was operated during MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) leg 4 in July 2020. The balloon was started from an ice floe close to RV Polarstern between 29 June 2020 and 27 July 2020. BELUGA consists of a 90m3 helium-filled balloon with modular instrumentation: An ultrasonic anemometer package, a broadband radiation package with upward and downward-looking pyranometers and pyrgeometers, and an aerosol package. Lonardi et al. (in preparation) give an overview of the BELUGA operation during MOSAiC leg 4. The data processing routines are described in Pilz et al. (in preparation). The present data set covers the turbulence measurements of the ultrasonic anemometer recorded on eight days between 10 and 26 July 2020.

Keyword(s):

ABL; Arctic; BELUGA; MOSAiC expedition; Tethered balloon; turbulence

Project(s):

Arctic Amplification (AC3)

Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC)

Funding:

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AFMOSAiC-1_00: Multidisciplinary drifting Observatory for the Study of Arctic Climate

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS122_00: Multidisciplinary drifting Observatory for the Study of Arctic Climate / MOSAiC

German Research Foundation (DFG), grant/award no. 268020496 : TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms

Coverage:

Median Latitude: 81.417447 * Median Longitude: 0.287777 * South-bound Latitude: 81.414594 * West-bound Longitude: 0.275513 * North-bound Latitude: 81.420007 * East-bound Longitude: 0.306317

Date/Time Start: 2020-07-13T11:53:29 * Date/Time End: 2020-07-13T15:20:38

Minimum ALTITUDE: 0.632 m * Maximum ALTITUDE: 1482.270 m

Event(s):

PS122/4_47-98 * Latitude: 81.416035 * Longitude: 0.299717 * Date/Time: 2020-07-13T11:54:00 * O2A Registry URI: registry.o2a-data.de * Location: Arctic Ocean * Campaign: (MOSAiC20192020) * Basis: * Method/Device: Tethered balloon system BELUGA (BELUGA) * Comment: wind direction: S-SE,cloudy, cloud base at ca. 900 m

PS122/4_47-99 * Latitude: 81.413620 * Longitude: 0.285007 * Date/Time: 2020-07-13T13:40:00 * O2A Registry URI: registry.o2a-data.de * Location: Arctic Ocean * Campaign: (MOSAiC20192020) * Basis: * Method/Device: Tethered balloon system BELUGA (BELUGA) * Comment: Cloud layer between 1100 and 1300 m

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Egerer, Ulrike
2	DATE/TIME	Date/Time		Egerer, Ulrike		Geocode – GPS
3	LONGITUDE	Longitude		Egerer, Ulrike		Geocode
4	LATITUDE	Latitude		Egerer, Ulrike		Geocode
5	ALTITUDE	Altitude	m	Egerer, Ulrike	Calculated from pressure	Geocode
6	ALTITUDE	Altitude	m	Egerer, Ulrike	Calculated from GPS	Geocode
7	Wind velocity, west-east	U	m/s	Egerer, Ulrike	Sonic anemometer (corrected with IMU measurements)	u: wind vector component in East direction
8	Wind velocity, south-north	V	m/s	Egerer, Ulrike	Sonic anemometer (corrected with IMU measurements)	v: wind vector component in North direction
9	Wind velocity, vertical	W	m/s	Egerer, Ulrike	Sonic anemometer (corrected with IMU measurements)	w: vertical wind vector component (upward)
10	Wind direction	dd	deg	Egerer, Ulrike		related to True North
11	Pressure, at given altitude	PPPP	hPa	Egerer, Ulrike
12	Temperature, air	TTT	°C	Egerer, Ulrike	PT100, slow response
13	Temperature, air	TTT	°C	Egerer, Ulrike	Thermocouple, fast response
14	Sonic temperature	Ts	°C	Egerer, Ulrike

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

4765321 data points

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