Definition
The sloping side of any hollow in the ground, especially when bordering a river.
water
Definition
An enclosed body of water, usually but not necessarily fresh water, from which the sea is excluded. (Source: WHIT)
Definition
A biophysical parameter is a measurable characteristic that can help in defining a particular system. It can cover individual substances, groups of substances or be defined by its measurement method like turbidity or the mesurement of oxygen consumption like BOD5 or COD. It is generally expressed by a value and its unit.