The area drained by a stream and its tributaries where surface runoff collects. In an area of uncoordinated drainage, drainage patterns define a basin. Energy derived from the direct conversion of sunlight. The different main levels include species, genus, family, order, class and phylum. A measure of the amount of suspended particles, generally fine clay or silt, in water.
Turbid water looks cloudy or muddy.
The watertable is the upper surface of groundwater. The soil profile is fully saturated below the watertable and unsaturated above it. Issues and Facts , ABS, Canberra, Cat. Bureau of Mineral Resources 1984, BMR refines its mineral resource classification system, Australian Mineral Industry Quarterly , Vol. Bureau of Resource Sciences and the Fisheries Research and Development Corporation 1993, Australian Fisheries Resources , Bureau of Resource Sciences and the Fisheries Research and Development Corporation, Canberra.