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Catalogue: GRDC Media
ENSO remains best northern climate indicator.. The El Ni o/Southern Oscillation (ENSO) phenomenon remains recognised as the core driver of climate variability in eastern Australia, according to University of Southern Queensland climate researcher, Professor Roger Stone... "Although there are many climate patterns and systems that exist at widely varying time scales, the ENSO phenomenon remains recognised as the core driver of climate variability in eastern Australia," Prof Stone said...
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Catalogue: Ground Cover
In western Queensland, seasonal forecasts have moderate accuracy but rainfall from storms is very difficult to predict... New forecasting systems are based on general circulation models (GCMs), and Dr Stone's initial assessment has looked at the past six to seven years of forecasts... "Current weekly forecasts can completely change my thinking around operational decisions, such as for a winter crop whether we apply top-up fertiliser and whether we would try to harvest before a rainfall event...
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Catalogue: GRDC Updates
The understanding of weather and climate influences continues to improve... Major upgrades have occurred, or are occurring in weather and climate forecasting systems... The last 10 years has seen major improvements in both the understanding of weather and climate influences on Australia, and in weather and seasonal forecasting systems in use by the Bureau of Meteorology...
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Catalogue: GRDC 2014 Research Summaries
" Improving accuracy of forecasting for decision making - INCOME EXPENDITURE.. Researcher's Name: Organisation: Maintaining the Farm Resource Base - GRDC Email: Phone: Fax: Project Code: MFR15-2 Contract Start: 7/1/2013 Contract End: 6/30/2016.. Research..
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Catalogue: GRDC Media
Water logged soils can result in significant N loss through denitrification... Professor Grace says the first step in defining a nitrogen program is for growers to observe how their soils respond to rainfall to better understand how they are likely to lose nitrogen (see breakout box on types of N loss)... Previous work has shown that for every 1 kg of N lost as N 2 O, as much as 10-50 kg of N may be lost to N 2 ...
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Catalogue: GRDC Media
Water logged soils can result in significant N loss through denitrification... Professor Grace says the first step in defining a nitrogen program is for growers to observe how their soils respond to rainfall to better understand how they are likely to lose nitrogen (see breakout box on types of N loss)... Previous work has shown that for every 1 kg of N lost as N 2 O, as much as 10-50 kg of N may be lost to N 2 ...
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Catalogue: Ground Cover
Improvements in weather forecasting mean three-day forecasts are now 97 per cent accurate.. Mr Schaefer sees the future including more targeted forecasting for growers through micrometeorology, the use of private providers (already common in the US and the UK), improved radars and a better understanding of climate variability... Mr Ring uses astrometeorology - the theoretical effect of astronomical bodies and forces on Earth's atmosphere - a forecasting system that dates back to 3000 BCE. "I went in quite sceptical but he got me thinking," Mr Schaefer says...
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