早期研究证明"红色河流“的颜色是由于氧化铁导致，但是铁如何到了冰川表面这仍然是个迷。

Earlier research indicates the color of Blood Falls is due to oxidized iron, but how the iron got to the surface of the glacier remained a mystery.

youdao

污垢泥土和残骸覆盖在这些河流的冰面上；和喂养滋润它的冰川一样，Imja Tsho表面也出现了一些暗灰色、褐色的东西。

Dirt and debris coat these rivers of ice; like the glaciers feeding it, Imja Tsho appears dull gray-brown.

youdao