Supplementary material to "Methane at Svalbard and over the European Arctic Ocean"

Abstract

Figure S1: Methane mixing ratios at the RV Helmer Hanssen vs apparent wind angle relative to the bow (β), using β=arcos(W cos α + V/ √(W2+V2+2WV cos α)) where α=true pointing angle, W=true wind velocity, and V=ship velocity.