Water security problem and research perspective in North China

Abstract

This paper addresses the emergency water security problems in North China in terms of the researches on water cycle and water resources security supported by the Key Innovation Project of the Chinese Academy of Sciences.Development of international research related to water issue is also reviewed.Moreover,research program and advances on water cycle to the chan-ging environment,water-saving agriculture,and countermeasures of water security in North China are introduced.The key issues and suggestions of this research in the future are proposed.The aim is to approach key issues of water resources management and water security in the long terms development of North China.