Data Sources — Carbon Opportunity
4 sources used in this intelligence layer. Click any publisher to open the source portal.
medium confidence
Publisher: European Space Agency – Climate Change Initiative
Dataset: ESA CCI Biomass v4
Vintage: 2023 annual product
Resolution: 100 m raster (global coverage)
How we use it
Raster zonal statistics over each lot polygon
Mean above-ground biomass (Mg/ha) is computed across all 100 m pixels inside each lot polygon, then converted to tCO₂e/ha using AGB × 0.5 (carbon fraction) × 3.667 (CO₂/C ratio) = AGB × 1.833.
Limitations
Above-ground only — does NOT include soil organic carbon or belowground biomass. Modelled at 100 m; per-lot accuracy is broad-scale, not survey-grade. Not a CER-verified measurement and not a substitute for a project baseline survey by a registered ACCU aggregator.
© ESA Climate Change Initiative
high confidence
Publisher: DCCEEW + ABARES (Cth)
Dataset: Forests of Australia
Vintage: 2023 release
Resolution: 100 m raster (binary forest / non-forest)
How we use it
Raster zonal statistics over each lot polygon
Forest-cover percentage is the mean of the binary forest mask inside the lot polygon — 100 % is fully forested, 0 % is non-forest. Used alongside carbon stock to indicate whether modelled biomass is on woody vegetation vs pasture.
Limitations
Forest definition uses NFI canopy/area thresholds — may differ from local definitions. Recent clearing (within ~12 months) may not yet be captured.
© Commonwealth of Australia (DCCEEW / ABARES)
high confidence
Publisher: NSW Spatial Services (DCS)
Dataset: NSW Digital Cadastral Database (DCDB)
Vintage: Updated continuously by NSW LRS
Resolution: Per-lot polygon (1:500 – 1:25K survey accuracy)
How we use it
Lot/DP polygon used as the spatial unit for zonal statistics and property identification
Limitations
Subdivisions and lot consolidations registered in the last few weeks may not yet be reflected.
© State of NSW (Spatial Services)
high confidence
Publisher: Australian Bureau of Statistics
Dataset: ABS State Suburb (SAL) and Local Government Area (LGA) boundaries
Vintage: Latest ASGS release
Resolution: Vector polygons
How we use it
Used as aggregation boundary — a rural suburb tile is an aggregation of all RU-zoned lots whose centroid falls inside the suburb polygon.
Limitations
Boundary changes between ASGS releases may reassign a small number of edge lots.
© Commonwealth of Australia (ABS)
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