Watershed Management and Morphometric Analysis
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Questions and Answers

Which software can be used to delineate watershed areas from SRTM data and topographic sheets?

  • ARC GIS or Google Earth
  • Microsoft Office or Adobe Acrobat
  • SAGA GIS or QGIS
  • Erdas Imagine or ENVI (correct)

What is the primary purpose of assessing soil erosion rates?

  • To monitor changes in vegetation cover over time
  • To study the effects of climate change on soil erosion
  • To develop adequate prevention measures for sustainable land and water resource management (correct)
  • To create detailed topographic maps of watershed areas

What is the primary factor affecting soil erodibility?

  • Aggregate stability (correct)
  • Soil texture
  • Topographic features
  • Vegetation cover

What is the term for the amount of rainfall that contributes to soil erosion?

<p>Rainfall erosivity (A)</p> Signup and view all the answers

What can alter vegetation cover, impacting soil erosion rates?

<p>Human activities and large-scale developments (B)</p> Signup and view all the answers

What is the primary use of ARC GIS software in watershed analysis?

<p>Calculating drainage density and frequency (B)</p> Signup and view all the answers

What is the term for the process of calculating watershed characteristics from extracted parameters?

<p>GIS analysis (A)</p> Signup and view all the answers

What is the primary impact of topographic features on soil erosion?

<p>Affecting rill and interrill erosion (C)</p> Signup and view all the answers

What is the primary reason for studying soil erosion rates?

<p>To develop sustainable land and water resource management strategies (B)</p> Signup and view all the answers

What is the term for the ratio of the basin's perimeter to its area?

<p>Circulatory ratio (B)</p> Signup and view all the answers

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