期刊名称:Geological Survey of Denmark and Greenland Bulletin
印刷版ISSN:1604-8156
出版年度:2019
卷号:43
页码:1-6
DOI:10.34194/GEUSB-201943-01-02
语种:English
出版社:De Nationale Geologiske Undersoegelser for Danmark og Groenland
摘要:General Circulation Models (GCMs) are the main tools used to assess the impacts of climate change. Due to their coarse resolution, with cells of 100 km × 100 km, GCMs are dynamically downscaled using Regional Climate Models (RCMs) that better incorporate the local physical features and simulate the climate of a smaller region, e.g. a country. However, RCMs tend to have systematic biases when compared with local observations, such as deviations from day-to-day measurements, and from the mean and extreme events. As a result, confidence in the model projections decreases. One way to address this is to correct the RCM output using statistical methods that relate the simulations with the observations, producing bias-corrected (BC) projections.