Fig. 1: Spatial and temporal variability in SIC (%) over the Chukchi Sea 1979–2024 as represented in the NOAA/NSIDC Climate Data Record. | npj Climate and Atmospheric Science

Fig. 1: Spatial and temporal variability in SIC (%) over the Chukchi Sea 1979–2024 as represented in the NOAA/NSIDC Climate Data Record.

From: Summer sea ice in the Northwestern Chukchi Sea observed in 2024 for the first time in 25 years

Fig. 1

Monthly mean SIC during September: a 1979–2001; b 2002–2023 and c 2024. d Time series of the monthly mean SIC during September 1979–2024 as averaged over the Eastern (red curve) and Western (blue curve) Polygons. e Time series of the monthly mean SIC for the Eastern Polygon from September 2023 to September 2024 (red curve) with the black curve representing median ice concentrations for the period 2002–2023 and the shading representing values spanning from the 5th to 95th percentile. In (a) and (b), place names of interest are indicated as well as the locations of the Eastern (EP) and western (WP) Polygons with the 150 m isobath indicated by the dashed curve.

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