西南河流源区是我国重要的水资源战略储备区，是气候变化敏感区，近年来西南河流源区径流呈现出复杂的变化特征，其未来演变趋势不明。“西南河流源区径流变化与适应性利用”重大研究计划瞄准径流变化及其适应性利用的核心科学问题与国际前沿热点，开展高水平研究，为我国水安全和能源安全提供基础理论和科学支撑。2019年本重大计划中期考核成绩为优秀，进入集成研究阶段。本申请项目为该重大计划的战略研究项目，将围绕重大研究计划的科学目标开展战略研究，落实重大研究计划实施规划书的要求，支持重大研究计划指导专家组和管理工作组开展国内外调研、专家研讨、指导检查在研项目执行进展、成果凝练集成研究等项目工作，确保重大研究计划研究重点突出、相互有机衔接、整体目标明确，保障重大研究计划顺利实施并取得高水平研究成果。

The Major Rivers in Southwestern China (MRSC) is the strategic reserves of water resources and a sensitive region for climatic changes. In recent years, the stream flows in MRSC manifest complex changing characteristics and the future trend is unclear. To meet the national strategic needs of water and energy security, the major research plan “Runoff Change and its Adaptive Management in the Major Rivers in Southwestern China” focuses on pivotal scientific issues and international frontier of runoff variation and adaptive utilization. The mid-term assessment result of this major research plan was excellent, and now it has entered the integrated research stage. This study is a strategic research project of the major plan. It will carry out strategic research around the scientific objectives of the major research plan, implement the requirements of the proposal, and support the expert group and management group works including strategy intelligence, academic workshop, project progress checking and integration discussion. This study aims to ensure the emphasis, internal organic connection and goal specificity of the major plan, and guarantee the successful implementation and high-level achievement of the major plan.