Snow height on sea ice, meteorological conditions and drift of sea ice from autonomous measurements from buoy 2020S107, deployed during MOSAiC 2019/20

Snow height was measured by the Snow Buoy 2020S107, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 5) 2019/20. The resulting time series describes the evolution of snow height as a function of place and time between 23 August 2020 and 25 June 2021 in sam...

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Bibliographic Details
Main Authors: Nicolaus, Marcel, Hoppmann, Mario, Regnery, Julia
Format: Dataset
Language:English
Published: PANGAEA 2021
Subjects:
air
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.937182
https://doi.org/10.1594/PANGAEA.937182
Description
Summary:Snow height was measured by the Snow Buoy 2020S107, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 5) 2019/20. The resulting time series describes the evolution of snow height as a function of place and time between 23 August 2020 and 25 June 2021 in sample intervals of 1 hour. The Snow Buoy consists of four independent acoustic range finder measurements representing the area (approx. 10 m**2) around the buoy. In addition to snow height, geographic position (GPS), barometric pressure, air temperature, and surface temperature were measured. Negative values of snow height occur if surface ablation continues into the sea ice. Thus, these measurements describe the position of the sea ice surface relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy.