GSM File Naming Conventions

{SoilPropertyCode}_{DepthCode}_{Component}_{DataType}_{EstimateSpatialSupport}_{CountryCode}_{ProjectName}_{ProductType}_{Date}.{FileExtension}

Examples:

BDw_000_005_EV_N_P_AU_NAT_N_20140623.tif - Bulk density (whole earth), 0 to 5cm layer, Estimated value, Numeric, Point support, Australia, National Soil Attribute Maps, Regression Kriging methods, Date of publication
SLT_100_200_95_N_P_AU_WAT_D_20131231.tif - Silt,100 to 200cm layer, 95th percentile confidence limit, Numeric, Point support, Australia, TERN Soils Project - WA, Polygon dissagregation methods, Date of publication

SoilPropertyCode

Soil Property Code Soil Property AttributeDescription Units
BDW Bulk Density - Whole Earth Bulk Density of the whole soil (including coarse fragments) in mass per unit volume by a method equivalent to the core method g/cm3
BDF Bulk Density - Fine Earth Bulk Density of the fine earth fraction of the soil (< 2 mm) in mass per unit volume by a method equivalent to the core method g/cm3
SOC Organic Carbon mass fraction of carbon by weight in the < 2 mm soil material as determined by dry combustion at 900° C %
CLY Clay < 2 um mass fraction of the < 2 mm soil material determined using the pipette method %
SLT Silt 2-20 um mass fraction of the < 2 mm soil material determined using the pipette method %
SND Sand 20 um - 2 mm mass fraction of the < 2 mm soil material determined using the pipette method %
PHW pH - Water pH of a 1:5 soil water solution None
PHC pH - CaCl2 pH of 1:5 soil/0.01M calcium chloride extract None
AWC Available Water Capacity Available water capacity computed for each of the specified depth increments %
NTO Total Nitrogen Total nitrogen %
PTO Total Phosphorus Total phosphorus %
ECD Electrical Conductivity Electrical conductivity in 1:5 water-soil solution dS/m
CEC Cation Exchange Capacity Cations extracted using barium chloride (BaCl2) meq/100g
ECE Effective Cation Exchange Capacity Cations extracted using barium chloride (BaCl2) plus exchangeable H + Al meq/100g
DER Depth of Regolith Depth to hard rock. Depth is inclusive of all regolith. m
DES Depth of Soil Depth of soil profile (A & B horizons) m
CFG Coarse Fragments Proportion of coarse fragments size class %
DUL Drained Upper Limit Volumetric Drained Upper Limit (1/3 Bar) %
L15 Lower Limit Volumetric Lower Limit (15 Bar) %
SOF Organic Carbon Fractions Proportions of mineral-associated organic carbon (MAOC), particulate organic carbon (POC) and pyrogenic organic carbon (PyOC) %
AVP Available Phosphorus Available Phosphorus mg/kg

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DepthCode

Depths Codes Depths Description
000_005 0-5cm
005_015 5-15cm
015_030 15-30cm
030_060 30-60cm
060_100 60-100cm
100_200 100-200cm

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Component

Component Component Description
5 5th percentile confidence limit
EV Estimated Value
95 95th percentile confidence limit
EXT A spatial depiction where model estimates are made within the domain of the observed data or not

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Data Type

Data Type Estimate Spatial Support Description
N Numeric Value
C Categorical value

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EstimateSpatialSupport

Estimate Spatial Support (GSM v2.3 Tier 1 or 2) Estimate Spatial Support Description
P Point estimate
B Block estimate

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CountryCode

Country Code (ISO country code) Country Name
AU Australia

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ProjectName

Project Name Project Name Code
NAT  National Soil Attribute Maps - Composite product
TRN Australia-wide 3D Soil Attribute Maps
WAT Western Australia Polygon Dissaggregation (DAFW)
SAT South Australia Polygon Dissaggregation(DEWNR)
TAS Tasmania (DPIWE) Soil Attribute Mapping

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ProductType

Product Type Product Type Description
N Data mining-kriging methods
C Composite models.  Various modelling combined with variance weighted averaging
D Polygon dissagregation methods

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Date

Date Date Description
20140623 YYYYMMDD

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