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Climate scenarios - cleoresearch.se
Climate scenarios - cleoresearch.se

... Short description of activities 2011: Generally, the data from climate models (temperature, precipitation, etc.) have systematical errors (bias) that need to be corrected before the data can be used in impact assessment. The correction required may be analysed by comparing climate model data with ob ...
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CSS: Climate Screening

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Aberdeenshire Council Response Actions to Climate Change

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A Local Perspective on Climate Change

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China`s new National Climate Change Strategy

... mitigating and adapting to climate change. On the other hand, the developing countries, who are innocent in terms of responsibility for causing the problem, are by far the biggest victims. This is not to say that they would count on the developed countries acting alone. Even though confronted with e ...
INDCs lower projected warming to 2.7˚C
INDCs lower projected warming to 2.7˚C

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Climate change feedback



Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each climate forcing, and so play an important part in determining the climate sensitivity and future climate state. Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first. Positive feedback amplifies the change in the first quantity while negative feedback reduces it.The term ""forcing"" means a change which may ""push"" the climate system in the direction of warming or cooling. An example of a climate forcing is increased atmospheric concentrations of greenhouse gases. By definition, forcings are external to the climate system while feedbacks are internal; in essence, feedbacks represent the internal processes of the system. Some feedbacks may act in relative isolation to the rest of the climate system; others may be tightly coupled; hence it may be difficult to tell just how much a particular process contributes. Forcings, feedbacks and the dynamics of the climate system determine how much and how fast the climate changes. The main positive feedback in global warming is the tendency of warming to increase the amount of water vapor in the atmosphere, which in turn leads to further warming. The main negative feedback comes from the Stefan–Boltzmann law, the amount of heat radiated from the Earth into space changes with the fourth power of the temperature of Earth's surface and atmosphere.Some observed and potential effects of global warming are positive feedbacks, which contribute directly to further global warming. The Intergovernmental Panel on Climate Change's (IPCC) Fourth Assessment Report states that ""Anthropogenic warming could lead to some effects that are abrupt or irreversible, depending upon the rate and magnitude of the climate change.""
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