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Predicting the climate of the future 17/2/2014
Climate scientists rely on models to predict how the weather and climate will respond to changes in variable such as CO2 emissions, natural methane emissions, solar intensity and a host of other factors. No individual model can claim to accurately predict future climate. So it is very important to look at multiple models and compare their predictions. The Carnegie Institution for Science is a leader in this area.
 
The pace of global warming over the last century has been about twice as rapid over land than over the oceans and will continue to be more dramatic going forward if emissions are not curbed. According to an analysis of 27 climate models by Carnegie's Chris Field, if we continue along the current emissions trajectory, we are likely facing the most rapid large climate change in the last 65 million years. This will clearly pose great challenges for a variety of terrestrial ecosystems.
 
Field, director of Carnegie's Department of Global Ecology, will discuss his work on the pace of climate change at a news briefing during the AAAS annual meeting on February 13 and also during a panel on the state of climate science the following day. Climate science is poised to make major headlines this year with the release of some major international reports. As we move forward to the next stage of climate research, the panelists will discuss the state of the risk and emerging challenges.
 
Field conducted a detailed review of climate change literature, including the aspects of climate change that drive biological response, comparisons of the pace and magnitude of past and predicted-future climate change, and the way the physics of the atmosphere and oceans respond to changes in concentrations of greenhouse gases.
 
He found that if unchecked, the mean yearly rate of 21st century global warming could exceed 3.6°F (2°C) over most terrestrial regions during the period spanning from 2046 to 2065 and then increase to 7.2°F (4°C) during the period spanning 2081 to 2100.
 
 
 
 
 
 
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Arab Environment 9: Sustainable Development in a Changing Arab Climate
 
ان جميع مقالات ونصوص "البيئة والتنمية" تخضع لرخصة الحقوق الفكرية الخاصة بـ "المنشورات التقنية". يتوجب نسب المقال الى "البيئة والتنمية" . يحظر استخدام النصوص لأية غايات تجارية . يُحظر القيام بأي تعديل أو تحوير أو تغيير في النص الأصلي. لمزيد من المعلومات عن حقوق النشر يرجى الاتصال بادارة المجلة
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