Category Archives: Geography Practicals/Lab and Statistical Techniques

Levelling in Surveying (Geography)

Levelling  is a branch of surveying, the object of which is to Find the elevation of a given point with respect to the given or assumed datum. Establish a point at a given elevation with respect to the given or assumed … Continue reading

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Band Graph

 It shows the trend of values, both the total and its parts, by a series of lines drawn on the same frame. The Y-axis represents the time scale and the X-axis shows the values.  The corresponding sub-division are shaded differently … Continue reading

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ERGOGRAPH

This graph shows relationship between season, climate and crops. •the climate is represented by monthly average temperature, rainfall and relative humidity , which are marked along the Y- axis. •The twelve month are marked along the X-axis. Below the X- … Continue reading

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HYTHERGRAPH

  Introduced by Griffith Taylor to show the relationship between temperature and rainfall.  Monthly temperature is plotted on Y-axis and rainfall along X- axis . The 12 points, each for a month, are marked on the graph and a 12-sided … Continue reading

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