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Explore the one million square kilometres of the Murray–Darling Basin with the ability to zoom down to a 10 metre size with our BasinView imagery tool.

Hydrological and hydrodynamic modelling supports informed decision making at the MDBA.

We use maps and spatial data, including remote sensing data daily, to support our various programs and projects. This includes data on hydrology, biota, terrain, vegetation, geology, and important built and natural assets.

River system models, developed by Basin states, the Murray–Darling Basin Authority (MDBA) and Snowy Hydro Limited, have been used to inform development and implementation of key water management policies across the Murray–Darling Basin for over 40 years.

When the Basin Plan was legislated in 2012, it was recognised that the information base in the northern Basin was less developed than that in the south. With the support of Basin governments, the Murray–Darling Basin Authority undertook a planned review of the sustainable diversion limits in the north.

Satellite imagery plays a very important role when supporting compliance activities, providing a snapshot of the broad landscape, which repeats regularly and provides consistent information over scales as large as the Murray-Darling Basin. It allows investigation into how river flows behave, both historically and currently.

We continue to develop and use hydrologic models to inform policy, Basin Plan compliance activities, management and operations of rivers in the Murray–Darling Basin.

This documentation provides an explanation of the land use models and different formulae applied with accompanying spreadsheets.