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Bob Bingham Blog page.

A series of opinion pieces on, mostly climate change and related subjects to do with New Zealand.

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Earth's sensitivity to climate.

31/1/2017

6 Comments

 
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There is always debate about how sensitive the planet is to small changes or is it robust enough to resist the damage that people are doing and continue to deliver an unchanged environment.
One indicator might be the slight increase in inclination that is caused every 125,000 years by Jupiter, which starts the onset of a warm periods where the temperature will rise 5 C.
In the Earth's natural state the temperature is 5 C cooler than today and there would be ice two kilometers thick over North America, down to New York and over Russia with thick ice down to Germany and Scotland.
This change is caused by an increase of inclination of just 2.4 degrees. Sufficient to change the climate completely.

​http://globalwarmingsimplified.weebly.com/the-planet-cycles-between-cold-ad-warm-periods.html

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Increase in Speed of Southern Ocean

25/1/2017

4 Comments

 
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Recent analysis has revealed that the Southern Ocean has increased its speed by 30% in recent years and this will serious consequences for us all.
​It means that the climate models will be underestimating the rate of melting to the ice in Antarctica and the strength of the wind in places like New Zealand will have a higher proportion of strong Westerlies.
This year in particular New Zealand has had a succession of strong westerly winds which has brought flooding to the west coast but also drought to the populated areas in the east.
The technical reasons for the drought are dealt with here. ​http://www.climateoutcome.kiwi.nz/drought.html
The report on the original research is here. 
​https://eos.org/research-spotlights/notorious-ocean-current-is-far-stronger-than-previously-thought#.WIbgaF8rGdU.twitter


4 Comments

Ice free arctic in three years.

24/1/2017

2 Comments

 
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When discussing an ice free Arctic we dont need to be too particular about the minimum amount and one million square kilometres would be considered so low that it might just be ice free.
The effect on the weather in the populated regions just South of the Arctic region can be devastating. North America, UK and Europe, Russia and China can all have extreme weather with floods, freezing winters or drought which can put a huge strain on the economies and the lives of the people.
The loss of Arctic ice is the fastest reaction to climate change. There is no waiting for half a century for the ice to melt and sea levels to rise. This is almost instantaneous.

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    Bob Bingham 

    Occasional blog posts on topical news items concerning the climate.  Please click the RSS feed to receive updates.

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