Australian Network of Hydrologic Reference Stations glossary

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Flow Duration Curve original
dcterms created equal to or less than 2020-08-27T03:23:19.781Zequal to or more than 2020-08-27T03:23:19.781Z
definition A curve showing percentage of time streamflow magnitude exceeds certain value.
Hydrologic Reference Station original
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definition A hydrologic reference station is located in an unregulated catchment with minimal land-use change upstream. It has a high-quality long streamflow record with a frequently verified rating table. The gauge has been well maintained. See the Station Selection Guidelines page (http://www.bom.gov.au/water/hrs/guidelines.shtml) for more information.
Long-term streamflow trend original
dcterms created equal to or less than 2020-08-27T03:23:19.782Zequal to or more than 2020-08-27T03:23:19.782Z
definition A unidirectional change in the magnitude of the streamflow variable. The trend may be increasing or decreasing.
Max Elevation original
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definition Maximum elevation within the Australian Hydrological Geospatial Fabric derived catchment boundaries
Min Elevation original
dcterms created equal to or less than 2020-08-27T03:23:19.783Zequal to or more than 2020-08-27T03:23:19.783Z
definition Minimum elevation within the Australian Hydrological Geospatial Fabric derived catchment boundaries
Runoff Rate original
dcterms created equal to or less than 2020-08-27T03:23:19.783Zequal to or more than 2020-08-27T03:23:19.783Z
definition The percentage of rainfall volume that becomes streamflow after losses such as evaporation within the catchment.
Longest Stream Length original
dcterms created equal to or less than 2020-08-27T03:23:19.783Zequal to or more than 2020-08-27T03:23:19.783Z
definition The length of the longest stream within the catchment of Hydrologic Reference station derived from the contributing streams from the Australian Hydrological Geospatial Fabric MappedStream features.
Water Year original
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definition The Water Year begins with the month recording minimum average monthly flow over the period of the data. If the beginning month is a month from January to June, the nominal year of the Water Year is the same as the calendar year of the beginning month. For months July to December, the nominal year is the year following the calendar year of the beginning month. For example, a water year starting in July 1997 is nominally Water Year 1998. However, in a few cases it was necessary to modify the definition so that the definition was consistent within each river basin. In Australian Water Information Dictionary (AWID) Water Year is defined as first of July to 30th June.
WISKI original
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definition Water Information System Kisters (WISKI) contains Watercourse level and discharge time-series data and ratings collected from approximately 3500 measurement stations across Australia. This data can be accessed via Water Data Online http://www.bom.gov.au/waterdata/. Except for Victoria, all discharge data are directly uploaded from the water agencies. For Victoria, the rating tables in WISKI are used to compute discharge from the water levels at the time-step provided by the agencies. The discharge data are then accumulated to a daily total at 9am for the previous 24 hours.