firn line


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Related to firn line: névé, firn snow

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.