释义 |
firn line
firn line n 1. (Geological Science) Also called: firn limit the zone of a glacier between the lower region of solid ice and the upper region of névé, above which ablation occurs 2. (Geological Science) the snow line on a glacier firn line
firn line[′fərn ‚līn] (geology) The regional snow line on a glacier. The line that divides the ablation area of a glacier from the accumulation area. Also known as firn limit. |