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Soil surface pH is one of 19 attributes of soils chosen to underpin the land suitability assessment of the Flinders and Gilbert Agricultural Resource Assessment (FGARA) project through the digital soi... morel mapping process (DSM). This raster data (in GeoTIFF format) represents a modelled surface of pH of the soil surface measured in standard pH units and is derived from measured site and laboratory data and environmental covariates. The data is used in assessment of soil nutrient toxicities, deficiencies and available nutrients to plants.
The attribute data file is named "pH_lab_fieldPredictions.tif".
Also included are data reflecting confidence of the main dataset. This file is named "SurfacepH_SD.tif". "SD" represents "standard deviation".
The DSM process is described in the technical report: Bartley R, Thomas MF, Clifford D, Phillip S, Brough D, Harms D, Willis R, Gregory L, Glover M, Moodie K, Sugars M, Eyre L, Smith DJ, Hicks W and Petheram C (2013) Land suitability: technical methods. A technical report to the Australian Government for the Flinders and Gilbert Agricultural Resource Assessment (FGARA) project, CSIRO.
This raster data provides improved soil information to identify opportunities and promote detailed investigation for a range of sustainable development options and was created within the “Land Suitability” component of FGARA projects.less
1211.1 Gulf Agricultural Resource Assess - Digital Soil Mapping - Published 19 Feb 2014