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Salganik, Evgenii; Hoppmann, Mario; Scholz, Daniel; Itkin, Polona; Katlein, Christian; Divine, Dmitry V; Raphael, Ian (2023): Temperature and heating induced temperature difference measurements from the sea ice mass balance buoy DTC24 during MOSAiC 2019/2020 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.960609

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Abstract:
Temperature and heating-induced temperature were measured along a chain of thermistors. Digital Thermistor Chain DTC24 is an autonomous instrument that was installed on drifting sea ice in the Arctic Ocean during the MOSAiC expedition on 8 January 2020. The thermistor chain was 7.36 m long and included sensors with a regular spacing of 2 cm. The resulting time series describes the evolution of temperature during the heating cycle of 20 s and after the heating cycle during the following 40 s as a function of geographic position (GPS), depth, and time between 8 January 2020 and 18 March 2020 in sample intervals of 6 hours. It also contains manually estimated position of air-snow, snow-ice, and ice-water interfaces. The DTC was installed in Fort Ridge towards the level second-year ice. Ice mass balance SIMBA 2020T60 was installed at the Fort Ridge: doi:10.1594/PANGAEA.924269.
Keyword(s):
autonomous platform; buoy; Ice mass balance; Temperature
Related to:
Granskog, Mats A; Høyland, Knut Vilhelm; De La Torre, Pedro R; Divine, Dmitry V; Katlein, Christian; Itkin, Polona; Raphael, Ian; Olsen, Lasse Mørk (2020): Temperature and heating induced temperature difference measurements from the sea ice mass balance buoy SIMBA 2020T60. PANGAEA, https://doi.org/10.1594/PANGAEA.924269
Salganik, Evgenii; Hoppmann, Mario; Scholz, Daniel; Itkin, Polona; Nicolaus, Marcel (2023): Updated positioning of Digital Thermistor Chains (DTCs) during MOSAiC 2019/2020. PANGAEA, https://doi.org/10.1594/PANGAEA.964027 (Updated DTC geopositioning using the location of each DTC relative to the closest GPS buoy which was drifting together with the corresponding DTC.)
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
The Research Council of Norway (RCN), grant/award no. 328957: air-snow-ice-ocean INTERactions transforming Atlantic Arctic Climate (INTERAAC)
Coverage:
Median Latitude: 87.383420 * Median Longitude: 54.054952 * South-bound Latitude: 86.734900 * West-bound Longitude: 12.064700 * North-bound Latitude: 88.599300 * East-bound Longitude: 115.257500
Date/Time Start: 2020-01-08T12:00:00 * Date/Time End: 2020-03-18T00:00:00
Event(s):
PS122/2_14-321 (DTC24) * Latitude: 87.117068 * Longitude: 115.180140 * Date/Time: 2020-01-08T11:21:00 * Sensor URI: sensor.awi.de * Location: Arctic Ocean * Campaign: PS122/2 (MOSAiC20192020) * Basis: Polarstern * Method/Device: Digital thermistor chain (DTC) * Comment: dtc24: deployment location of dtc24 station 27m across the ridge transect
PS122/3_28-82 (DTC24) * Latitude: 86.208690 * Longitude: 15.718080 * Date/Time: 2020-03-18T05:00:00 * Sensor URI: sensor.awi.de * Location: Arctic Ocean * Campaign: PS122/3 (MOSAiC20192020) * Basis: Polarstern * Method/Device: Digital thermistor chain (DTC) * Comment: RS024 (Audun): Deployment at Fort Ridge; Recovered on 23 March 2020, 12:50 UTC (given position refers to that date)
Comment:
Temperature after the cooling cycle and temperature before the heating cycle both represent in situ temperature. The temperature before the heating cycle may contain errors in measurements and is provided for reference. It is recommended to use temperature after the cooling cycle and temperature difference after the heating cycle for further analysis.
Size:
3 datasets

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