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      •   Research Commons
      • University of Waikato Research
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      • Waikato Geological Society Earth Science Journal
      • Volume 2, Number 2, 1968
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      •   Research Commons
      • University of Waikato Research
      • Science and Engineering
      • Waikato Geological Society Earth Science Journal
      • Volume 2, Number 2, 1968
      • View Item
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      Distinguishing between the concepts of steady state and dynamic equilibrium in geomorphology

      Abrahams, Athol D.
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      Abrahams, A.D. (1968). Distinguishing between the concepts of steady state and dynamic equilibrium in geomorphology. Earth Science Journal, 2(2), 160-166.
      Permanent Research Commons link: https://hdl.handle.net/10289/9131
      Abstract
      The development of the concept of equilibrium in geomorphology over the past 15 years has been marked by linguistic difficulties due, in part, to the interchangeable use of the terms, dynamic equilibrium and steady state. It is here proposed that the range of steady state conditions constitute a sub-set of the range of conditions of dynamic equilibrium.

      The application of General Systems Theory is responsible for the introduction to geomorphology of the term steady state which in the strictest sense refers to the tendency for constant forms to develop. Gilbert understood dynamic equilibrium to mean an adjustment between the processes of erosion and the resistance of the bedrock. More recently, Leopold and Langbein described dynamic or quasi-equilibrium as a state of energy distribution which does not necessarily involve any regularity of form. However, dynamic equilibrium finds expression over space and time, in the evolving regularity and mutual adjustment of form elements. The development of regular erosional landforms reflects the tendency of the energy conditions of a system to make the final adjustment to the most probable state. If the manner of landform evolution is the point in question, the concepts of dynamic equilibrium and steady state become clearly distinguishable and system boundaries must be precisely defined. In field studies the theoretical approach is often superseded by the pragmatic approach. However, unless the logical distinction between the two concepts is made in the first place confusion will continue to persist in geomorphic analysis.
      Date
      1968
      Type
      Journal Article
      Series
      Earth Science Journal
      Publisher
      Waikato Geological Society, The University of Waikato
      Rights
      © 1968 Waikato Geological Society, The University of Waikato. All items in Research Commons are provided only to permit fair dealing for the purposes of research or private study. They are protected by copyright with all rights reserved unless otherwise indicated.
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      • Volume 2, Number 2, 1968 [8]
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