通过问鬼佬,原来是冰层膨胀拱起,破裂后两层叠加在一起,低的那层有较深的水覆盖,难怪风吹有涟漪,怪吓人的。下面是经过几次我说的那个地方的鬼佬的回帖: 5 s0 h# |7 l' _, `& d! U. y: C"Usually get some flood water around ice heaves. It will tighten up again in a couple of days. I was across there a few times on the sled. I don't think its open water, but folk should be cautious crossing heaves.": E7 M5 L+ Z. w1 U: _8 [0 v+ C