temporary base level

temporary base level

[′tem·pə‚rer·ē ′bās ‚lev·əl]
(geology)
Any base level, other than sea level, below which a land area temporarily cannot be reduced by erosion. Also known as local base level.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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