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CO2 cannot warm the oceans

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Rajendra Kumar Pachauri, chairman of the intergovernmental panel on climate change, briefs the media.

MARTIAL TREZZINI / THE ASSOCIATE PRESS ARCHIVES Enlarge Image

Rajendra Kumar Pachauri, chairman of the intergovernmental panel on climate change, briefs the media.

In his Oct. 4 letter, David Bergen diverges from the real issue of global warming and CO2. Despite the continued increase in CO2 to 400 ppm, there has been no temperature increase in 17 years, with or without 1998. So the IPCC has tried to divert attention from their great modelling errors into saying that the warming has gone into the oceans.

Based on a few years of ocean measurements they claim they were able to measure an increase in hundredths of a degree and somehow determine that most of the lost heating has gone into the ocean.

Any competent oceanographer will tell you that CO2 or the atmosphere cannot warm the ocean. The ocean is heated mainly by short wave solar radiation. This heat can then be released by the water during upwelling phases such as El Nino. These cycles have been going on for centuries and have nothing to do with CO2 and there is still no definitive study measuring the amount of warming caused by CO2.

On Oct. 2, Mike Ward gives similar misinformation and errors, when he lists naturally occurring events as being caused by global warming. If he would check the NSIDC ice reports he would find that the Antarctic ice is in an increasing cycle. Ice shelves breaking up are a normal occurrence as ice builds up on the continent. He states that "the Arctic ice cap is rapidly disappearing." Of course he has failed to note that the summer minimum was 60 per cent higher this year compared to 2012. The Arctic measurements were conveniently stated from 1979 at the high point of a cycle.

The IPCC fifth report just released is highly political and not based on scientific measurements. For a good start on the errors and misrepresentations, readers should go to an award-winning weblog such as wattsupwiththat.com for extensive discussions on the problems with this report.

Gerald Machnee

Lockport

Republished from the Winnipeg Free Press print edition October 7, 2013 A8

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