Brief description
This record describes a single aggregated dataset of the geomorphic habitat environment (facies) for Australia's 7 states and territories: New South Wales, Victoria, Tasmania, Queensland, Northern Territory, South Australia, Western Australia. The classification system contains 12 easily identifiable and representative environments: Barrier/back-barrier, Bedrock, Central Basin, Channel, Coral, Flood- and Ebb-tide Delta, Fluvial (bay-head) Delta, Intertidal Flats, Mangrove, Rocky Reef, Saltmarsh/Saltflat, Tidal Sand Banks (and Unassigned). These types represent habitats found across all coastal systems in Australia.For the New South Wales region, 134 coastal waterways are described. Most of the estuaries of New South Wales are under intense land use pressure with approximately 80% of the State's population living near an estuary (NSW Dept of Land and Water Conservation)
For the Victorian region, 54 coastal waterways are described. Most of the 54 coastal waterways have a "Modified" environmental condition (as opposed to "Near Pristine"), according to the National Land and Water Resources Audit definition.
For the Tasmanian region, 88 coastal waterways are described. The majority of near pristine estuaries in Tasmania are located in the south and west of the State and on Cape Barren Island, according to the Department of Primary Industries, Water and Environment.
For the Queensland region, 213 coastal waterways are described. Southern and central Great Barrier Reef lagoon coasts have a broad spectrum of river, tide and wave- dominated estuaries.
For the Northern Territory region, 63 coastal waterways are described. Estuaries on the northern Arnhem Land, Gulf of Carpentaria coasts are predominantly tide-dominated estuaries, which vary greatly in size and floodplain characteristics.
For the South Australia region, 36 coastal waterways are described. Most of the 36 coastal waterways have a "Modified" environmental condition (as opposed to "Near Pristine"), according to the National Land and Water Resources Audit definition.
For the Western Australia region, 103 coastal waterways are described. Western Australia has a diverse range of Estuaries due to different climates. Ranging from mostly "near pristine" and tide influenced estuaries in the north to "near pristine" wave dominated estuaries in the southwest region.
Lineage
Maintenance and Update Frequency: notPlannedInterpretation: For individual coastal waterways, the Landsat images were printed at an appropriate scale, ranging from 1:15 000 to 1:50 000. Boundaries of geomorphic habitats (facies) were mapped by hand over these printed images, with the assistance of aerial photographs and enhanced Landsat images. Where Landsat imagery was unavailable, digital images of 1:100 000 topographic maps were used.
Digital capture: Hand drawn interpretations digitised on-screen over Landsat imagery, using ER Mapper software. The scale at which each coastal waterway was drawn was no greater than 1:5 000, with a window size of 650 by 650 pixels. The projection was Transverse Mercator and the datum AGD66. ER Mapper vector files converted to AutoCAD dxf files and then to ArcInfo coverages (one coverage for each coastal waterway), and polygons attributed with geomorphic habitat type. Attribution checked against the original interpretation. Logical consistency checks performed on all coverages, and the projection and datum converted to Geographic, GDA 94. Coverages merged into a single shape file, using the Geoprocessing Wizard in ArcView 3.2. The interpretations were scanned at 400 dpi as binary TIFF files and vectorised in microstation. Maps were attributed in microstation and converted to ARC/INFO coverages in Geographic, GDA 94. Further attribution and logical consistency checks were performed on all coverages, then merged into a single shapefile, using the Geoprocessing Wizard in ARCGIS 8.3.
Modified: 2005
Issued: 03 02 2017
Data time period: 2003-01-01 to 2005-01-01
text: westlimit=111.26953125; southlimit=-45.563801125; eastlimit=155.56640625; northlimit=-10.407551125; projection=GDA94 / Geoscience Australia Lambert (EPSG:3112)
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(Original metadata record (NSW region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/61895/
(Original metadata record (VIC region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/63508/
(Original metadata record (TAS region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/63507/
(Original metadata record (QLD region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/61660/
(Original metadata record (NT region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/61876/
(Original metadata record (SA region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/60627/
(Original metadata record (WA region only) [GA Catalogue])
uri :
http://www.ga.gov.au/metadata-gateway/metadata/record/61894/
global : 4739e4b0-4dba-4ec5-b658-02c09f27ab9a
- global : 9b403526-e386-47ef-8a78-be1ae179419d