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Ephemeral – Water is only available during and for a short period after rainfall Intermittent – Water is available for a considerable period of the year but not all the year Near Perennial – Water is generally available all year but not in all years Perennial – Water is available for all the year Unknown – The perenniality of the watercourse is unknown or not yet classified |
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Major – Based on Geoscience Australia 2,500,000 Topographic Data defined major watercourses of Australia. In this dataset a small number of other watercourses have also been classified as a major watercourse so that all sub-drainage basin areas have at least one major watercourse within them Minor – All features not defined as major are minor |
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Shoreline upper scale values will align with the associated Feature Type “Waterbody Area” Upper_scale values. 1:25 000 – < 22,500 m² 1:100 000 – >/= 22,500 m² and < 140,625 m² 1:250 000 – >/= 140,625 m² and < 1,000,000 m² 1:1 000 000 – >/= 1,000,000 m² and < 10,000,000 m² 1:2 500 000 – >/= 10,000,000 m² and < 34,000,000 m² 1:5 000 000 – >/= 34,000000 m² and < 90,000,000 m² 1:10 000 000 – > 90,000,000 m² Junction Code: The Upper_scale value of both features is the Upper_scale value of the associated Waterbody Area. The Shoreline Junction feature contains a Junction_ Code value that agrees with the following. For Shoreline features this value is NULL.
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