AMSR2 Sea ice volume Algorithm

Due to the lack of a region mask all ice above 50 degree north is included in the product.

It includes the Canadian lakes, Baikal lake and Baltic sea.

It excludes the Great lakes, Caspian Sea, Aral sea, most of Gulf of St Lawrence, Yellow Sea, Sea of Japan and southern Sea of Okhotsk.

The maximum ice thickness change is 5 cm per day, expect for ice drift. (grid-cell suddenly ice-covered or ice-free)

The map is cropped to the Arctic Basin and shows 0-300 cm. The thickness is calculated up to 400 cm and the map is simply saturated above 300 cm to show more detail in the thin ice areas.

current Algorithm(v1.1):

max ice thickness: 400 cm

new ice thickness(first freeze): 20 cm

minimum ice thickness (during melt algorithm): 25 cm

maximum thickness change(measured ice thickness): 6.6 cm

meltfactor: 5

freezefactor: 2.2

Algorithm Blockdiagram

Click on Graph for full size comparison to PIOMAS