Hydrology

When trees die, the ecology and hydrology of a forest change, which in turn promotes insect infestation and fire.

Excessively high floods may be caused by obstructions which were not noted by the observer subsequently removed. Information of this kind is necessary, but it is equally necessary that something of the local hydrology should be also known and applied.

Operations studies are required to define appropriate hydrologies and facility operations schedules on which to base the Delta modeling.