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Impact of Climate Change on the Ocean Environment in the Viewpoint of Paleoclimatology  

Yi, Hi-Il (Marine Environment and Pollution Prevention Research Department, Korea Ocean Research & Development Institute)
Shin, Im Chul (Korea Global Atmosphere Watch Center, Korea Meteorological Administration)
Publication Information
Atmosphere / v.20, no.3, 2010 , pp. 379-386 More about this Journal
Abstract
Impact of global warming on the ocean environment is reviewed based on most recently published publications. The most significant impact of global warming on marine environment is due to the melting of mountain and continental glaciers. Ice melting causes slow down and/or shut down of thermohaline circulation, and makes hypoxic environment for the first time, then makes anoxic with time. This can cause decreasing biodiversity, and finally makes global extinction of animals and plants. Furthermore, global warming causes sea-level rise, soil erosion and changes in calcium carbonate compensation depth (CCD). These changes also can make marine ecosystem unstable. If we emit carbon dioxide at a current rate, the global mean temperature will rise at least $6^{\circ}C$ at the end of this century, as predicted by IPCC (Intergovernmental Panel on Climate Change). In this case, the ocean waters become acidic and anoxic, and the thermohaline circulation will be halted, and marine ecosystems collapsed.
Keywords
Global warming; Ecosystem; Hypoxic; Anoxic; Future;
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