Answer:
Hydrology is an extremely important field of study, dealing with one of the most valuable resources on Earth: water.
All aspects of the Earth's available water are studied by experts from many disciplines, from geologists to engineers, to obtain the information needed to manage this vital resource.
The field of hydrology consists not only of studying the natural distribution and movement of water, it is also concerned with the impact of human activities on water quality and with problems in water management.