Combining TerraSAR-X and time-lapse photography for seasonal sea ice monitoring: the case of Deception Bay, Nunavik
2020
Abstract. This article presents a case study for the combined use of
TerraSAR-X and time-lapse photography time series in order to monitor
seasonal sea ice processes in Nunavik's Deception Bay. This area is at the
confluence of land use by local Inuit, ice-breaking transport by the mining
industry, and climate change. Indeed, Inuit have reported greater
interannual variability in seasonal sea ice conditions, including later
freeze-up and earlier breakup. Time series covering 2015 to 2018 were
acquired for each data source: TerraSAR-X images were acquired every 11 d, and photographs were acquired hourly during the day. We used the combination of the
two time series to document spatiotemporal aspects of freeze-up and breakup
processes. We also report new X-band backscattering values over newly formed
sea ice types. The TerraSAR-X time series further show potential for melt
and pond onset.
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