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Volume 21 (1) - 1998

GAMS I.

Chemical denudation as a geomorphich process

Pages 19-22

Abstract

In the paper the discrepancy between a significant part (one-fifth to one-sixth) of solutes in total river load and the insignificant percentage of solutional iandforms identified in geomorphology is treated. The abundance of data on chemical denudation in the predominant impermeable carbonates on the southern border of the Parmonian basin shows that solution is also the prevailing process there, but local erosion and soil denudation prevent the formation of proper solutional features. The solution of the noncarbonadc sediments is almost overlooked in geomorphogenedcs. The second reason for the discrepancy is that gcomorphology had identified Iandforms before sufficient knowledge on solutes accumulation. Some mesaurements of water chemistry have shown the solution to be an additional process, not only in blind valleys and allogcnic caves, but also in through valleys previously regarded as solely erosional or/and glacial Iandforms.

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