1. The problem statement, all variables and given/known data i want to know about the variation in pressure according to varo=ious depth in different water bodies like for river, lake, stream, and all with the possibility of having fresh water or salty water. (not talking about oceans) may be shore of a sea will also work. 2. Relevant equations pressure in water is rho * h * g kindly help if you have any helpful data or solutions. Thanks in advance.