Updated positioning of Digital Thermistor Chains (DTCs) during MOSAiC 2019/2020 ...

• Main Authors: Salganik, Evgenii, Hoppmann, Mario, Scholz, Daniel, Itkin, Polona, Nicolaus, Marcel
• Format: Dataset
• Language: English
• Published: PANGAEA 2023
• Subjects: autonomous platform; buoy; Ice mass balance; Temperature; Event label; DATE/TIME; Identification; LATITUDE; LONGITUDE; Position; Ice type; Digital thermistor chain; PS122/1; PS122/2; PS122/3; PS122/4; PS122/5; Polarstern; Multidisciplinary drifting Observatory for the Study of Arctic Climate MOSAiC; Arctic; Arctic Ocean; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.964027; https://doi.pangaea.de/10.1594/PANGAEA.964027

Temperature and heating-induced temperature were measured along a chain of thermistors. Digital Thermistor Chains (DTCs) are autonomous instruments that were installed on drifting sea ice in the Arctic Ocean from November 5, 2019, to September 5, 2020, during the MOSAiC expedition. The thermistor chains had various lengths of 2.56 m, 4.16 m, 5.12 m, 7.36 m 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 in sample intervals of 6 hours. The DTCs were installed in various ice types including undeformed and deformed first- and second year ice and pressure ridges. The dataset also includes positions of air-snow, snow-ice, and ice-water interfaces, estimated from temperature data with and without heating. A total of 23 DTCs were processed. The dataset includes time and temperature after 20 s of ...