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This dataset consists of bare earth covariates designed to indicate the presence of iron oxides, ferrous minerals, quartz/carbonate and hydroxyl minerals, to support soil and lithological modelling across Australia. Bare earth layers (bands) represent the weighted geometric median of pixel values derived from a 30 year time-series of Landsat 5, 7 and 8 imagery converted to at-surface-reflectance, using the latest techniques to reduce the influence of vegetation (see Publications: Roberts, Wilford & Ghattas 2019). Bare earth layers are (BLUE (0.452 - 0.512), GREEN (0.533 - 0.590), RED, (0.636 - 0.673) NIR (0.851 - 0.879), SWIR1 (1.566 - 1.651) and SWIR2 (2.107 - 2.294) wavelength regions. Covariates are then derived from principal components analysis and ratios of specific bare earth layers to target identification of elements of surface geochemistry. Layers are available as mosaics or tiles in 30 or 90 metre resolution.
Heatwaves are defined as unusually high temperature events that occur for at least three consecutive days with major impacts to human health, economy, agriculture and ecosystems. This dataset provides time-series of heatwave characteristics such as peak temperature, number of events, frequency and duration from 1950 to 2016 in Australia. The analysis were based on daily minimum and maximum temperature obtained from the Australian Water Availability Project (AWAP). The data is available as spatial time-series (5km grid-cell) and aggregated time-series for all Local Government Areas in Australia.
The ecocloud Platform provides unprecedented access to datasets from hundreds of publishers across Australia in a single interface, including key ecoscience publishers such as ALA, TERN and IMOS. It then connects this data with common analysis tools like RStudio, Jupyter Notebooks and Virtual Desktops running tools like Kepler, KNIME, QGIS, Biodiverse, marcoecoDesktop, Panoply, Jupyter lab, RStudio and file sharing applications Dropbox and ownCloud. Curated data is also available through discipline-specific workflows like the BCCVL and Biodiverse, all of which also connect users to Australia’s national cloud computing infrastructure. ecocloud also includes an innovative training and skills development program (ecoEd) to help drive a skilled workforce of students, researchers, government practitioners and industry professionals working across the domain.