Atlas of Australian Acid Sulphate Soils

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About this Collection

Atlas of Australian Acid Sulphate Soils

This dataset depicts a national map of available ASS mapping and ASS qualification inferred from surrogate datasets. ASS mapping is classified with a nationally consistent legend that includes risk assessment criteria and correlations between Australian and International Soil Classification Systems. Existing digital datasets of ASS mapping have... more

Environmental Impact Assessment Environmental Monitoring Land Capability and Soil Degradation Natural Resource Management Soil Chemistry (excl. Carbon Sequestration Science)

01 Jan 2007

25 Jun 2011

CSIRO Enquiries
1300 363 400

acid sulfate soil map Australia

Coastal ASS component: Existing state CASS mapping was received and processed to varying degrees to conform to the NatCASS national ASS classification system. Spatially, all datasets were reprojected from their original projections to geographic GDA94. Classification of state mapping polygons to the NatCASS classification system was as follows. In the case of SA, NSW, Qld and WA it was a matter of directly translating the original state ASS classifications to the NatCASS classifications. These translations were undertaken by the creators of the state data and other experts within the respective states. Due to the more broad classifications of the original Vic and Tas ASS mapping, polygons for these two states were initially translated to a NatCASS classification group (eg Tidal, Non-Tidal) by the data custodians then subsequently differentiated further through intersecting with other layers. These included the 3 second SRTM DEM and North Coast Mangrove mapping GIS datasets. The former being used to differentiate within the Non-Tidal zones (ie classes Ae-j and Be-j) and the latter used to differentiate the Tidal zones (ie Ab-d, Bb-d). Mapping of the Tidal-Zone classes was augmented for all states except SA and NSW with 1:100K Coastal Waterways Geomorphic Habitat Mapping (Geoscience Australia). This dataset was used to infer additional areas of subaqueous material in subtidal wetland (class Aa & Ba) and Intertidal Flats (class Ab & Bb). Inland ASS component: Provisional Inland ASS classifications are derived from National and (in the case of Tasmania) state soil classification coverages combined with 1:250K series 3 Hydrography and Multiresolution Valley Bottom Floor Index (MrVBF).

Creative Commons Attribution 3.0 Unported Licence

CSIRO (Australia)

Fitzpatrick, Rob; Powell, Bernie; Marvanek, Steve (2011): Atlas of Australian Acid Sulphate Soils. v2. CSIRO. Data Collection.

All Rights Reserved (including copyright) CSIRO Australia 2011.

The metadata and files (if any) are available to the public.

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Location Details

9°0′0″ S

44°0′0″ S

154°0′0″ E

112°0′0″ E


More about this Collection

Steve Marvanek

GIS Analyst





About this Project


Australian Soil Resource Information System

Datasets that are available through ASRIS and have been contributed to by State, Territory and Federal Agencies


Rob Fitzpatrick

Bernie Powell

Steve Marvanek

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