Dynamical downscaling of regional climate: A review of methods and limitations

摘要: The traditional dynamical downscaling (TDD) method employs continuous integration of regional climate models (RCM) with the general circulation model (GCM) providing initial and lateral boundary conditions. Dynamical simulations are constrained by physical principles can generate a full set information, one important approaches to projecting fine spatial-scale future information. However, systematic biases often degrade TDD hinder application in climate-change related studies. New methods developed over past decades improve performance simulations. These be divided into four groups: method, pseudo global warming GCM bias corrections, both RCM corrections. reviewed compared this paper. merits limitations each also discussed. In addition, challenges potential directions progressing stated.