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Altimetric frequency curve is used for :

  • A.Computation of population distribution
  • B.Computation of pressure distribution
  • C.Computation of rainfall distribution
  • D.Computation of elevation above sea level

Answer: D

The altimetric frequency curve is used for the computation of elevation above sea level.

An altimetric frequency analysis records, from a contour map, how often each height or height class occurs, for example by reading spot heights or grid-point elevations. Plotted as a curve or histogram, it shows the distribution of land at different elevations and helps identify erosion surfaces, where many points share the same height.

It is a technique of relief and morphometric analysis. Population, pressure and rainfall distributions are mapped with dot maps, isobars and isohyets, not with altimetric frequency curves.

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