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The aridity index, also known as the Budyko radiative index of dryness, is a dimensionless parameter that represents the long-term balance between net radiation and...

Debris flows are extremely damaging and dangerous post-fire hazards that can cause significant short- and long-term impacts to rivers and aquatic ecosystems, water quality, and...

Map (non-EPI) of the Sydney Drinking Water Catchment as declared (within the meaning of the Water NSW Act 2014) by s 6.60 of State Environmental Planning Policy (Biodiversity...

Do you want to know more about how climate change may impact New South Wales? The Department of Climate Change, Energy, the Environment and Water has undertaken research to...

The Greater Sydney Region Tree Canopy to Modified Mesh Block 2022 provides both an area and percentage of canopy for city blocks and infrastructure corridors in the Greater...

This spatial dataset identifies the maximum height of a building that is permitted on land as designated by the relevant NSW environmental planning instrument (EPI) under the...

The 2022 Heat Vulnerability Index (HVI) for Greater Sydney aims to combine information on urban heat, built form and population demographics to provide a fine-grained...

This spatial dataset identifies land use zones and the type of land uses that are permitted (with or without consent) or prohibited in each zone on any given land as designated...

This spatial dataset identifies land where development implications exist due to the presence of salinity, to ensure the effects of development are minimised and mitigated, as...

This spatial dataset identifies land where development implications exist due to the Obstacle Limitations Surface for certain airports, as designated by the relevant NSW...