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单词 firn line
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.
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