孤立波の内部では流体が回転運動をしており，それがマグマを均質に混合させるメカニズムになっています（下図及び マグマの混合 のページ参照）．
Figure 14. Sequential photographs (with equal time intervals) of a solitary wave with a small amount of dye. This reveals the circulation in closed streamlines. The conduit and most of the wave contains clear fluid that is almost invisible.
