. Base on Climate Change Scenarios (A2, B2, B1), simulation outputs of river flow show the changes of water resources in Ca River. These results are arguments for water resources planning in Ca River under the climate change situations. Keywords: climate change, water resources, Ca River. 1. Introduction∗ Climate change (CC) is a major concern of society in general and Vietnam in particular. Due to impacts of climate change, water resources in river is changed in quantity, quality, regime . Within the framework of the paper, the impact of climate change on flow characteristics on Ca river basin is reviewed
