INDICATORS ON CONTOUR SURVEY YOU SHOULD KNOW

Especially, isobathytherms are lines demonstrating depths of drinking water with equal temperature, isohalines show strains of equivalent ocean salinity, and isopycnals are surfaces of equal water density.An isohyet or isohyetal line (from Historic Greek ὑετός (huetos) 'rain') can be a line on a map joining points of equal rainfall in the pr