Area of land threatened by shallow or rising watertables: Location, size and intensity of salt-affected areas
Indicator Status: Agreed
Department of the Environment and Heritage
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Why do we need to measure the location, size and intensity of salt-affected land?
Land salinity occurs where soils and vegetation are degraded by the discharge of saline groundwater. This commences when the watertable reaches within two metres of the ground surface. Monitoring the expansion or contraction of salt-affected land provides an effective tool for assessing changes in salinity status over time (Coram et al. 2001).
How will monitoring salt-affected land help reduce salinity?
Monitoring of salt-affected land in conjunction with measuring depth to groundwater and the salinity of groundwater and baseflow will provide an overview of groundwater trends in priority catchments. All States currently monitor salinity outbreaks in the landscape, but this information is generally only available in a presence or absence context.
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