Another suggestion is that the color might be related to ice with high levels of metallic compounds, including copper and iron.
另一种说法是，这种颜色可能与冰中含有的大量金属化合物有关，包括铜和铁。
2
Clouds, some translucent and some opaque, occur throughout the scene, distinguished from sea ice by their lighter color, rougher texture, and less distinct margins.