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Mean annual deep drainage (mm / y) in the pre 1788 scenario

Created 12/05/2013

Updated 09/08/2023

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Definition:Mean annual deep drainage. This is the amount of water draining below the root zone.Interpretation:Significant deep drainage is confined to irrigation areas, and wet areas where rainfall exceeds potential evaporation at least for some months of the year: the southeast (including Tasmania), over the eastern ranges and in the north.Deep drainage has a broadly similar pattern to runoff, though with added variability through the influence of soil texture.Notes: rule-based method is used to estimate the rate of deep drainage on the basis of soil texture, with modification to account for cultivation and irrigation.For this quantity, results are given for the aBASEa (pre-1788) and aAGRICa (present day) conditions.The aAGRICa case includes current agricultural inputs of water from irrigation.FWLeach.Agric a Mean annual deep drainage (mm y-1) in the aAGRICa (present day) scenarioFWLeach.Base a Mean annual deep drainage (mm y-1) in the aBASEa (pre-1788) scenarioData is in geographics and GDA94.

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Field Value
Title Mean annual deep drainage (mm / y) in the pre 1788 scenario
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/10704702-93bb-4052-b29e-d85dc3be4de3
Contact Point
South Australian Governments
data.gov@finance.gov.au
Reference Period 12/05/2013
Geospatial Coverage Australia
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Mean annual deep drainage (mm / y) in the pre 1788 scenario". Please visit the source to access the original metadata of the dataset:
https://data.gov.au/data/dataset/mean-annual-deep-drainage-mm-y-in-the-pre-1788-scenario