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Catchment zone in Nattai, Australia containing drinking water. Catchment hydrology is the study of hydrology in drainage basins. Catchments are areas of land where runoff collects to a specific zone. This movement is caused by water moving from areas of high energy to low energy due to the influence of gravity.
Australia has twelve distinguished NCB Level 1 drainage divisions [1] or thirteen [2] after splitting the South East Coast division at the New South Wales–Victoria border as defined by the Australian Water Resources Assessment 2012, a hydrological survey conducted by the Bureau of Meteorology. [3]
eWater is a non-profit organisation established by Australian Federal and State Governments.. eWater provides stewardship, management, development, enhancement, skills-building, research, access and transparency relating to Australian water management tools and services in the interests of government members, stakeholders, clients and customers and on behalf of the Australian people who have ...
The catchment is the most significant factor determining the amount or likelihood of flooding. Catchment factors are: topography , shape, size, soil type, and land use (paved or roofed areas). Catchment topography and shape determine the time taken for rain to reach the river, while catchment size, soil type, and development determine the ...
Major continental divides, showing drainage into the major oceans and seas of the world--Drainage basins of the principal oceans and seas of the world.Grey areas are endorheic basins that do not drain to the ocean.
The hydrology of the basin comprises three main drainage basins as defined by the New South Wales Office of Water that lie entirely or mainly within the geography of the basin; namely the Central Coast catchment, the Hawkesbury-Nepean catchment, and the Sydney Metropolitan catchment.
Canberra draws its water supply from three separate catchment systems: The Cotter River catchment, within the ACT; the Googong system on the Queanbeyan River in New South Wales; and the Murrumbidgee River, at the Cotter Pump Station. [18] All these rivers drain into the Murray River which is ultimately part of the Murray-Darling Basin.
Muirden, Peter: Pen, Luke and Marnie Leybourne (2003) Stream and catchment hydrology in South West Western Australia Perth, W.A. Dept. of Environment. Department of Environment river restoration, 1442-6919 ; report no. RR19 ISBN 1-920849-24-6