Approaches in Studying Landforms
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Questions and Answers

What are the four approaches used by geomorphologists in studying landforms?

  1. Process–response (process–form) or functional approach. 2. Landform evolution approach. 3. Approach focusing on characterizing landforms and landform systems. 4. Environmentally sensitive approach to landforms.

What is the focus of historical geomorphology?

Study of landform evolution or changes in landforms over medium and long timescales, usually well beyond the span of an individual human’s experience.

What is the focus of process geomorphology?

Study of the processes responsible for landform development and the mechanics of geomorphic processes.

What is the timescale typically associated with historical geomorphology?

<p>Centuries, millennia, millions, and hundreds of millions of years.</p> Signup and view all the answers

What kind of science does the landform evolution approach have its roots in?

<p>Historical geological science (geo-history).</p> Signup and view all the answers

What is the focus of the approach that stems from geographical spatial science?

<p>Characterizing landforms and landform systems.</p> Signup and view all the answers

What does the environmentally sensitive approach to landforms focus on?

<p>Landforms, systems of landforms, and landscapes at regional to global scales.</p> Signup and view all the answers

What does process–response approach utilize in its methodology?

<p>Chemistry and physics, and it utilizes a systems methodology.</p> Signup and view all the answers

Who first proposed the concept of 'Base Level' for streams and rivers?

<p>J.W. Powell</p> Signup and view all the answers

Which scientist is known for identifying ancient pluvial Lake Bonneville and discussing faulting/mountain building in Utah?

<p>G.K. Gilbert</p> Signup and view all the answers

Who proposed the concept of the 'Davisian Cycle' which includes the stages of youth, mature, old age, peneplane, and rejuvenation?

<p>William Morris Davis</p> Signup and view all the answers

What did T.C. Chamberlin propose as a methodology for scientific inquiry?

<p>Multiple working hypotheses</p> Signup and view all the answers

Which scientist is known for studying and popularizing evidence for ancient glaciations of the Alps?

<p>Louis Agassiz</p> Signup and view all the answers

What are the characteristics of a meandering stream that can be measured in quantitative geomorphology?

<p>radius of curvature, meander wavelength</p> Signup and view all the answers

Describe the landscape characteristics during the old age stage of the Davisian cycle.

<p>very broad and gently sloping valleys, extensive floodplains, mass-wasting dominates fluvial processes</p> Signup and view all the answers

What are the primary features of a landscape in the maturity stage of the Davisian cycle?

<p>well-integrated drainage system, relief at a maximum, hillslopes and valley sides dominate the landscape</p> Signup and view all the answers

What is the ultimate result of erosion of land areas according to the Horton/Strahler approach?

<p>peneplane</p> Signup and view all the answers

What shift did the Horton/Strahler approach promote in the field of geomorphology?

<p>from landform study to quantitative process study</p> Signup and view all the answers

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