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Median ice particle number concentration N (L−1) retrieved from the SPARTICUS relationships assuming N(D)1 unmodified (left) and associated relative uncertainty ΔN/N (right) vs. latitude and representative cloud altitude, Zc, during 2008 and 2013. Panels from top to bottom are for DJF over oceans, DJF over land, JJA over oceans, and JJA over land.
