Australia’s major landforms and drainage basins. 5A1 – Australia A Unique Continent. Syllabus Agenda. major landforms and drainage basins patterns of: climate weather Vegetation unique flora and fauna. Syllabus Agenda.
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Australia’s major landformsand drainage basins
5A1 – Australia A Unique Continent
Topography - characteristics of land in terms of slope, elevation and orientation
Landform - A landform is an individual topographic feature, which can be as minor as a cliff or a sand dune, or as major as a peninsula or a mountain range
Catchment –an area drained by a river
Metamorphic – a type of rock changed by great heat and pressure
Geomorphologist- a geographer who studies the formation of landforms
Australia has 3 major physical regions:
These landform regions have been created by movements in the Earth's crust, river erosion and changes in climate and sea level.
Percentage run off for each Basin
The Murray–Darling Basin contains the three longest rivers in Australia—the Murray, the Darling and the Murrumbidgee.
The Darling and its tributaries (a stream or smaller river that flows into a main river) drain the northern half of the basin. They contribute 12 per cent of the flow to the Murray River. The Murrumbidgee and its tributaries drain central and southern New South Wales. They contribute 13 per cent of the flow to the Murray River.
The Murray and its tributaries upstream of the Murrumbidgee junction drain central and northern Victoria and southern New South Wales. Under average conditions this region contributes 75 per cent of the flow to the Murray.
The largest drainage basin in Australia is the Lake Eyre Basin covering an area of 1.2 million square kilometres.
It is one of the largest internal drainage systems in the world. When there is water in the creeks and rivers they flow inwards towards Lake Eyre, but as the area is almost flat they flow slowly and a large amount of water is lost through evaporation.
One of the rivers in the basin is the Finke River that only flows on a few days each year. It is thought to be the oldest river bed in the world. Starting west of Alice Springs, its water disappears in the Simpson Desert and is believed to have reached Lake Eyre on only one occasion last century
You work for National Geographic and have been given the task of creating a feature article on one of the following:
In your article you need to answer key geographical questions