Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Okavango Delta' has mentioned 'Hydrology' in the following places:
Occurrence Sentence Text Source
The Deltaxe2x80x99s dynamic geomorphological history has a major effect on the hydrology, determining water flow direction, inundation and dehydration of large areas within the Delta system.
It is imperative that upstream environmental water flows remain unimpeded and that over abstraction of water, the building of dams and the development of agricultural irrigation systems do not impact on the sensitive hydrology of the property.