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Addressing heterogeneities in climate change studies for water resources in Korea

机译:解决韩国水资源气候变化研究中的异质性

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摘要

Without exception, global warming affects the water resources in Korea. Several climate change projects have been initiated for future water resources assessment but have produced very different projections with a significant range of heterogeneities. Therefore, it is necessary to develop a standard procedure and scheme that can reduce this heterogeneity. In this study, we first examine all general circulation model (GCM) scenarios available at the IPCC Data Distribution Centre. The six A1B GCM scenarios are then selected (such as INM, CCCma, MPI_MIUB, UKMO, NIES and NCAR) for a climate change assessment of water resources in Korea. A modified version of a reliability ensemble average (M-REA) has been proposed as a multi-model ensemble weighting scheme that can combine the heterogeneous scenarios. When applied to the six A1B GCM scenarios, M-REA projected that Korea on an average will experience a 9.43% increase in precipitation in the year 2037.
机译:毫无疑问,全球变暖影响着韩国的水资源。已经启动了一些气候变化项目,以用于未来的水资源评估,但是产生了非常不同的预测,并具有很大范围的异质性。因此,有必要开发一种可以减少这种异质性的标准程序和方案。在这项研究中,我们首先检查IPCC数据分发中心提供的所有通用流通模型(GCM)方案。然后选择六个A1B GCM方案(例如INM,CCCma,MPI_MIUB,UKMO,NIES和NCAR)用于韩国水资源的气候变化评估。已经提出了可靠性综合平均数(M-REA)的改进版本,作为可以组合异构场景的多模型综合加权方案。将M-REA应用于六种A1B GCM情景后,预计到2037年,韩国平均降水量将增加9.43%。

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