Monday, 28 February 2011

box and whisker graph
Inflow box and whisker graph

Inflow to Lake Eppalock in Victoria's Campaspe Basin was nearly 30 times the average and four and a half times the highest volume ever recorded for November to January.

Recent and historical data for 21 sites in the south east Murray-Darling Basin are a key feature of the Bureau's new Seasonal Streamflow Forecasting Service. Recorded streamflows are plotted against the forecast and show the inflow for the past 12 months compared to the historical record for those months. This is shown as a traditional box and whisker plot.

Read more about Inflow to Lake Eppalock 30 times average.

The Bureau is proposing changes to each of the nine data categories in the Water Regulations 2008.

The metadata detail required to accompany each observation (data file) is proposed to change significantly. A draft list has been drawn up for Category 1a Watercourse level that features 35 metadata elements. The Bureau expects to draft metadata lists for all Regulations subcategories over the coming two years.

Read more about Changes proposed to Water Regulations metadata.

Map with stream network and catchment boundaries highlighted
Geofabric stream network and catchment boundaries

The Australian Hydrological Geospatial Fabric, or Geofabric, is now available in a transfer format known as an ESRI Shapefile. This format caters for users who do not have access to ESRI ArcGIS software.

Read more about Geofabric data now more accessible.

La NiƱa past its peak

The La Niña event that has dominated the Australian climate for the past nine months continues but is starting to show signs of weakening. Once a La Niña event weakens, it is likely that rainfall and temperature conditions will return to the long-term average.

More details about the La Niña conditions are provided in the Bureau's ENSO Wrap-Up. The rainfall outlook andtemperature outlook for March to May are also available.

Water Information in two minutes

Still from the Water Information video
Still from the Water Information video

Two minutes is all it takes to hear about the Bureau's role in Water Information. The video explains the steps the Bureau is taking to collect, analyse and report on Australia's water situation as part of the Federal Government's Water for the Future Program.

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