Spheroids, Ellipsoids and Geoid: All map projections start by assuming a particular shape of the Earth. These shaper are used to represent the earth.  ...

 IntroductionMap is the selective representation of the earth surface by means of symbols and transformed through projection and reduced to a specific scale. Whenever we observe the Earth surface, we store the spatial knowledge in our brain based on which we do our activities on that surface of the earth. The...

 Application of Logarithm in Geography Logarithm" is a word made up by Scottish mathematician John Napier (1550-1617), from the Greek word 'logos' meaning 'proportion, ratio or word' and 'arithmos' meaning "number", ... which together makes "ratio-number" ! For Details see the videos ...

 T-S Diagram is the Temperature and Salinity Diagram of Ocean water. It helps identifying the water masses in the ocean as the T-S curve takes specific shape for a specific water mass having uniform density.   For Details See the Vide...