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Lei, Ruibo; Cheng, Bin; Zuo, Guangyu; Hoppmann, Mario (2022): Temperature and heating induced temperature difference measurements from SIMBA-type sea ice mass balance buoy 2019T47, deployed during MOSAiC 2019/20. PANGAEA, https://doi.org/10.1594/PANGAEA.940387

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Abstract:
Temperature and heating-induced temperature differences were measured along a chain of thermistors. SIMBA 2019T47 (a.k.a. FMI_04_06, IRIDIUM number 300234064817930) is an autonomous instrument that was installed on drifting sea ice in the Arctic Ocean during the 1st leg of the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) in October 2019. The buoy was deployed at a P site with initial thicknesses of snow and ice of 0.10 and 0.34 m, respectively, on 13 October 2019. The thermistor chain was 5 m long and included 240 sensors with a regular spacing of 2 cm. The depths for the sensors are 78 to -400 cm, referring to the initial interface between snow and ice. The resulting time series describes the evolution of temperature and temperature differences after two heating cycles of 30 and 120 s as a function of depth and time between 13 October 2019 and 8 February 2020 in sample intervals of 6 hours for temperature and 24 hours for temperature differences. In addition to temperature, geographic position were measured.
Keyword(s):
Arctic Ocean; Heating rise; MOSAiC-ICE; Sea ice mass balance; SIMBA; Temperature
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
Horizon 2020 (H2020), grant/award no. 727890: Integrated Arctic observation system (INTAROS)
National Natural Science Foundation of China (NSFC), grant/award no. 41722605
National Natural Science Foundation of China (NSFC), grant/award no. 41976219
Coverage:
Median Latitude: 85.534816 * Median Longitude: 95.240976 * South-bound Latitude: 79.295693 * West-bound Longitude: -1.653960 * North-bound Latitude: 88.507026 * East-bound Longitude: 133.223800
Date/Time Start: 2019-10-13T04:35:00 * Date/Time End: 2020-07-27T19:02:00
Event(s):
AF-MOSAiC-1_182 (PS122/1_1-285, 2019T47) * Latitude Start: 84.893320 * Longitude Start: 133.225960 * Latitude End: 73.642360 * Longitude End: -17.304090 * Date/Time Start: 2019-10-13T04:35:00 * Date/Time End: 2020-10-04T21:22:59 * Sensor URI: sensor.awi.de * Location: Arctic Ocean * Campaign: AF-MOSAiC-1 (MOSAiC20192020, AF122/1) * Basis: Akademik Fedorov * Method/Device: SAMS Ice Mass Balance buoy (SIMBA) * Comment: __Old Labels: PS122/1_1-285, total failure: 2020-10-04
Comment:
The data set has been processed and contains quality flags for different kinds for erroneous data. Flag values are the sum of individual error codes. The value of 0 refers to no error. Quality flag, position: The geographic position is flagged +1 if the drift velocity, as derived from the GPS longitude and latitude, exceeds a threshold of 10 deg latitude or 50 deg longitude per time step; +2 if the position exceeds extreme values, such as longitude > 360 deg; +4 if the position is exactly 0.0.
Size:
4 datasets

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