Dr Brady said the divergence between the sea-level trends from models and sea-level trends from the tide gauge records was now so great “it is clear there is a serious problem with the models”.
“In a nutshell, this factual information means the high sea-level rises used as precautionary guidelines by the CSIRO in recent years are in essence ridiculous,” he said. During the 20th century, there was a measurable global average rise in mean sea level of about 17cm (plus or minus 5cm).
But scientific projections, led by the Intergovernmental Panel on Climate Change, have suggested climate change will deliver a much greater global tide rise in mean sea level this century of 80-100cm.
Disrupting the Borg is expensive and time consuming!
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Damn facts just keep getting in the way of a perfectly exploitable “crisis”
CSIRO grows more political [shame, shame]
The models are correct, the observations need some adjustment.
That is common practice in climate science, even decades after the observation was made.
http://www.youtube.com/watch?v=-_-srJ0nBgw
I’ve been doing a bit of research myself on Oz sea levels – at Fort Denison in Sydney Harbour mentioned in the article, the level hasn’t risen even one centimetre since 1976. That’s not from eyeballing a graph, but from averaging 1976 and 2010 gauge data. The CSIRO has a habit of using whatever suits them – long-term data when recent decades show little or no rise, and very short-term data when that shows a higher rate. At Fort Denison, sea level actually fell from 1916 to about 1945.
There’s no way I can reproduce their claims on the diagram shown in this article
http://www.smh.com.au/environment/climate-change/sealevel-rise-to-hit-sydney-worst-warns-climate-report-20110522-1ez0x.html
without “cherry-picking” periods from the record. In particular it’s necessary to use the low period around 1928 as a start point to get their claimed 1.8 mm for Sydney.
Graph for Sydney is here: http://www.bom.gov.au/ntc/IDO70000/IDO70000_60370_SLI.pdf