Question

To understand physical features of oceans, seas, coastal areas, lakes and rivers; people use Hydrography method for preparation. When the first chart was introduced by the help of hydrography?​

Answer 1

Answer:

Bathymetry is the measurement of the depth of water in oceans, rivers, or lakes. Bathymetric maps look a lot like topographic maps, which use lines to show the shape and elevation of land features. ... The contour lines on this map show the bathymetry of the southern part of Lake ...