Australian Water Information Dictionary

Alphabetical list of items

A   B   C   D   E   F   G   H   I   K   L   M   N   O   P   Q   R   S   T   U   V   W   Y   Z   other  

F

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Small water storage usually managed by the landowner with a capacity usually less than 100 ML. The volume includes dead storage.

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A part of the physical environment with properties that can be observed; these include natural features such as rivers, aquifers and the atmosphere, and human defined or constructed features such as channels, irrigation districts and urban supply areas.

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Feature classes are homogeneous collections of common features, each having the same spatial representation, such as points, lines, or polygons, and a common set of attribute columns, for example, a line feature class for representing road centrelines. The four most commonly used feature classes in the geodatabase are points, lines, polygons, and annotation (the geodatabase name for map text).

Source: ArcGIS 9.2 Desktop Help

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A period used for reporting of annual financial statements in Government and other organisations. In Australia this usually refers to the 12 months starting 1 July and ending on 30 June.

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The first quartile of a set of numbers is the value in which 25% of the numbers are below it and 75% of the numbers are above it when the numbers are arranged in ascending (increasing) order.

Synonym: 25% quartile

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Flooding occurring within about six hours of rain, usually the result of intense local rain and characterised by rapid rises in water-levels.

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An advice of the potential occurrence of flooding inferred from forecast meteorological considerations and an assessment of catchment wetness. The issuing of a flood watch is meant to indicate that vigilance to potential flooding is required of the community.

Related:

Synonym: flood watch

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An advice of the potential occurrence of flooding inferred from forecast meteorological considerations and an assessment of catchment wetness. The issuing of a flood watch is meant to indicate that vigilance to potential flooding is required of the community.

Synonym: flood threat advice

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Flat or nearly flat land adjacent to a stream or river that experiences occasional or periodic flooding.

Related: alluvial plain

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The flow of water in streams, rivers and other channels.

Synonym: streamflow

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Land dominated by trees and other woody vegetation. It includes closed forest, open forest and woodland.

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Input data such as AusHydro, ANUDEM streams and the National Catchment Boundaries used to build the Geofabric.

Source: Geofabric Product Guide V2.0

Related:

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Hard impermeable rock containing fractures and fissures that are able to store and transmit water.

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Full Supply Level

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The normal maximum operating water level of a water storage when not affected by floods. This water level corresponds to 100% capacity. See the water storage diagram for more information.

Related: capacity

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An expected future demand on water influenced by the availability and management of the region’s water resources. It may arise as a result of an externally imposed requirement or best practice for managing water resources.

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An expected future demand for water influenced by the availability and management of the water assets and water liabilities of the water report entity. It may arise as a result of an externally imposed requirement or best practices for managing water resources.

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