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equilibrium line

 
Sci-Tech Dictionary: equilibrium line
 
(′ē·kwə′lib·rē·əm ′līn)

(hydrology) The level on a glacier where the net balance equals zero and accumulation equals ablation.


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Geography Dictionary: equilibrium line
 

In glaciology, the point at which expansion of the glacier by accumulation is outstripped by losses of ice through ablation. Snow does not remain below the equilibrium line throughout the warmer season.

 
 

 

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Geography Dictionary. A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.  Read more