The solution , devised by biological oceanographer victor smetacek of the alfred wegener institute for polar and marine research in germany and his colleagues , was to use an eddy .
In fact , the new research to be published in nature on july 19 shows that less than 10 percent of the eddy 's waters mixed with the surrounding ocean .
The photo above shows a small condensation eddy , almost forming a weak funnel cloud , just downwind from the summit of mount porte crayon ( 4770 ft or 1450 m ) .
The eddy chosen for that experiment lacked enough silicon to prompt these particular diatoms to grow .
为那个实验选定的涡流缺乏充足的硅素,促进这些独特的硅藻生长。
A slow moving river current can create a slow turning eddy , which rotates , forming an ice disc .
一条缓慢流淌的河水可以形成慢速的涡流,伴随着旋转,就会形成了一个冰盘。
Very slowly the edges are ground down until a gap is formed between the eddy and the surrounding ice .
慢慢的边缘开始结冰直到涡流和边上形成的冰有空隙为止。
Such swirling currents can be remarkably self-contained . In fact , the new research to be published in nature on july 19 shows that less than 10 percent of the eddy 's waters mixed with the surrounding ocean .