Ocean surfaces rising will continue for hundreds of years

2012 - 09 - 07

Scientists have counted up that even if we managed to slightly decrease global temperatures gradually with getting the most strict measures through, the ocean surface would rise of more than 14 centimetres by 2100.

The ocean surface rising will continue for hundreds of years without regard to the fact whether we will manage to vastly decrease emissions and this way also global temperatures. In that case it would be at least possible to slow the rising down. This was stated by American and Australian scientists who were cited by Reuters Agency.

Many researches about climate development show greenhouse gases emission rising is a cause of the rising of an average surface temperature of the world seas of 0.17 degrees Celsius every ten years and also a cause of the surface rising of 2.3 mm between the years 2005 and 2010.

The surfaces rising as a consequence of polar ice melting threatens one tenth of the world population living in low laid countries. The Carribean Islands, the Maledives and islands groups of the Asian Pacific are endangered.

More than 180 of the world countries hold talks about a new global climate agreement which is to come into force in 2020 and which is to ensure average global warming in this century will be kept under two degrees Celsius. That is, according to the scientists, a minimal demand if catastrophic consequences of global warming should be turned away.

But even if the most ambitious emission restriction were got through, it would not be sufficient to stop the sea surface rising which will, in the opinion of the scientists, in any case continue even after 2100. Growing temperatures actually penetrate deep into the seas where the water gets warmer and after that it makes also the upper layers warmer over a long period.

The scientists have counted up that even if we managed to slightly decrease global temperatures gradually with getting the most strict measures through, the ocean surface would rise of more than 14 centimetres by 2100. On the contrary, if only minimal measures against global warming are carried out, the sea surface could rise of more than 32 centimetres.

“New findings of the scientists show how complicated natural processes are and how difficult it is for us to stop the forces we have put in motion,“ commented the research results Dalibor Dostál, the director of the European Wildlife conservation organisation.

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