Q. The term isotherm is associated with which of the following?

[A] Rainfall

[B] Oceanic depth

[C] Temperature

[D] Mountain heights

Answer: C
Notes:

Isotherm: a line on a map connecting points having the same temperature at a given time or on average over a given period. 

  • Isobar: A line drawn on a weather map connecting points of equal pressure is called an isobar. The isobars are generated from mean sea level pressure reports and the pressure values are given in millibars. 
  • An isohyet is also known as isohyetal line, and it is a line on a map which connects points that have the same amounts of precipitation in a given period or for a particular storm.  
  • The method used in estimating average rainfall across a particular area is known as an isohyetal method. 

Source: G C Leong 

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