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Australia wide daily volumetric soil moisture estimates

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Created 20/10/2024

Updated 21/01/2025

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The Soil Moisture Integration and Prediction System (SMIPS) produces national extent daily estimates of volumetric soil moisture at a resolution of approximately 1km or 0.01 decimal degrees. SMIPS also generates an index of between 0-1 which approximates how full the 90cm metre soil moisture store is at a particular location and time. The SMIPS model itself consists of two linked soil moisture stores, a shallow quick responding 10cm upper store and a deeper, slower responding 80cm store. SMIPS is parameterised using physical properties from the Soil and Landscape Grid of Australia and takes a data model fusion approach for model forcing. Version 1.0 of the SMIPS model uses precipitation and potential evapotranspiration data from the Bureau of Meteorology’s AWRA Model. In addition to version 1.0 of the model, an experimental version of the model is available for user testing. This version of the model uses precipitation data supplied by an experimental CSIRO daily rainfall surface generated using spatial data from the NASA Global Precipitation Mission as a base and enhanced using rainfall observations from the Bureau of Meteorology (BoM) rainfall gauge network, and various landscape covariates, processed using a machine learning approach. To help increase model accuracy, the internal SMIPS model states are adjusted or ‘bumped’ by daily observational data from the European Space Agency’s Soil Moisture and Ocean Salinity (SMOS) satellite mission.

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Field Value
Title Australia wide daily volumetric soil moisture estimates
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/c07a50f6-ec17-4e22-b2d0-7060fc143468
Contact Point
Environment Protection Authority (EPA) Victoria
brendan.malone@csiro.au
Reference Period 20/11/2015
Geospatial Coverage {"type": "Polygon", "coordinates": [[[112.904998779, -43.73500061], [153.994995117, -43.73500061], [153.994995117, -9.005000114], [112.904998779, -9.005000114], [112.904998779, -43.73500061]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Australia wide daily volumetric soil moisture estimates". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/australia-wide-daily-volumetric-soil-moisture-estimates

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