Global Warming Quicker Than Forecast
Posted by Paul Roth in Uncategorized, tags: arts, business, climate change, ecology, environment, global warming, greenhouse effect, health, issues, nature, news, science, society, technology, UncategorizedAn increasingly large amount of peer-reviewed research, published since the IPCC 4th Assessment Report was released in 2007, shows that global warming is happening right now, and that it is quicker than predicted just 2 years ago.
The evidence for this statement is from many areas. Some of the areas showing change are shown below.
-Many physical systems, in widespread sites, are already showing evidence of global warming. Examples include the timing of plant flowering, animal breeding, and lake thawing.
-Increased ocean surface temperatures in Pacific & Atlantic hurricane-formation zones which will lead to stronger cyclones are definitely related to human-induced warming.
-Ocean acidification is happening rapidly, as a result of CO2 in large amounts being dissolved in sea water. This will have massive changes on marine ecosystems and also food security for many nations.
-Calculated sea level rise this century will be greater than that calculated just 2 years earlier. It is expected to rise at least a meter, according to new scientific evidence.
-Rapid melting of Greenland’s glaciers, which began in 2004, is conclusively due to the greenhouse effect.
-West Antarctica’s Ice Shelf is undergoing accelerated melting during the last decade and has witnessed ten major ice-shelf collapses in that period of time.
-Arctic sea-ice is melting much faster than previously estimated, and it is almost certain that the Arctic will be ice-free in summer before 2080.
-Permafrost in the Arctic Circle is thawing much quicker than recently thought, and is releasing larger amounts of greenhouse gases than predicted.
The warming that is now taking place is expected to go on for many centuries, after all human-sourced CO2 escape ceases. This is due to the significant delays that exist in the climate-ocean system, as well as the long half-life of atmospheric carbon dioxide.
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