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Sea ice concentration vs. ice chart data
Timeseries
| Quarter 1
| Quarter 2
| Quarter 3
| Quarter 4
|
Sea ice concentration, root-mean-square difference, Nordic 4km
![](./2021/img/SICiceChartSICRMS-N4-2021.png)
Ice edge position, root-mean-square difference, Nordic 4km
![](./2021/img/SICiceChartEdgeRMS-N4-2021.png)
Sea ice extent (no. grids), Nordic 4km
![](./2021/img/SICiceChartExtent-N4-2021.png)
Extent, marginal ice zone (no. grids), Nordic 4km
![](./2021/img/SICiceChartMIZextent-N4-2021.png)
Sea ice concentration, root-mean-square difference, Arctic 20km
![](./2021/img/SICiceChartSICRMS-A20-2021.png)
Ice edge position, root-mean-square difference, Arctic 20km
![](./2021/img/SICiceChartEdgeRMS-A20-2021.png)
Sea ice extent (no. grids), Arctic 20km
![](./2021/img/SICiceChartExtent-A20-2021.png)
Extent, marginal ice zone (no. grids), Arctic 20km
![](./2021/img/SICiceChartMIZextent-A20-2021.png)
Production date: Tue Mar 23 02:59:51 UTC 2021