My attention has been drawn to this new research led by the National Center for Atmospheric Research (NCAR) and I have had a quick check of some of the facts.
Australia is 1.5% of global area – so 98.5% of the globe is also available to cause fluctuations in sea level.
Australia contributes 1% of global runoff according to this Wikipedia page – Water distribution on Earth. So I would ask – what happened in the other 99% during 2010-2011?
A quick read of their online article “Global sea level rise dampened by Australia floods – August 19, 2013” revealed two statements that are at odds with facts as I know them.
The article states – “Now that the atmospheric patterns have snapped back and more rain is falling over tropical oceans, the seas are rising again. In fact, with Australia in a major drought, they are rising faster than before.”
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The NCAR authors also say the continent, on average, received almost one foot (300 millimeters) of rain more than average. The actual number according to the BoM page – “Australian climate variability & change – Time series graphs” is 240.3mm averaged over the two years 2010-2011. You expect more attention to accuracy from top scientists.
I hope readers can contribute other insights and observations.
I have been hunting for Australian and global runoff annual time series.
Apparently the GRACE satellite gravity measurements are accurate and fairly precise. So assuming the mass changes add up they are probably right within some error margin.
I would like to see explanations for the levelout of SL rise from 2006 into early 2008.
There is also the little retracement in 2nd half of 1998. Flooding somewhere was it ?
Then 2000 was a high rain year for Australia. But does the distribution of rain throughout that year fit as an explanation for the blip down in SL?
One would think that a University research centre would know better than equate floods on a tiny portion of land (compared to the sea surface) with sea level.
BOM has indicated that SOI is an influence on sea level particularly on the north-east coast and pacific islands. More fundamental, it is the atmospheric pressure difference from which SOI is calculated.
Other large factors are the positions of the moon relative to the Earth and the Earth relative to the sun. Everyone should know that the moon gives a tidal drag. The moon has an elliptical orbit. When it is close there are “King” tides and this has an effect on sea level. Similarly the Earth has an elliptical orbit round the sun. That has a cyclic effect on the sea level and atmospheric properties. There is some evidence that the position of Jupiter also has an effect and that this causes a twenty two year cycle.
All the alarmists have a closed mind and only want to believe that man emitted CO2 (which is small compared to the total atmosphere and even to the total CO2 from natural sources) is causing changes which they in their incompetence (and political mind set) can not explain.