Climate Change: The Physics Of Greenhouse Gases And Global Warming: Study The Physical Principles Behind The Greenhouse Effect And The Role Of Human Activity In Climate Change.

Applied Phusices

Abstract. The need for information about climate change is great. This information is usually based on climate model data, which often have systematic biases. Furthermore, cli- mate information is based on ensembles of climate models, which raises the question about how such ensembles are affected by the choice of models and emission scenarios. Here, we aim to describe climate change in Sweden and neighboring countries and discuss how local changes re- late to global warming. We present climate change projections based on bias adjusted Euro-CORDEX (Coordinated Regional Downscaling Experiment) regional climate model data centred over Sweden. Global warming results in higher temperature, more warm days, and fewer cold days in Sweden. The regional climate models replicate the signal of the driving global models. Yet, the model spread is smaller than in the full CMIP5 ensemble, which means that the RCMs do not fully represent the potential model spread. The choice of emission scenario has minimal effect on the calculation of mean climate change at a global warming level of 2 degrees

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