柴达木盆地是青藏高原东北缘大型断陷盆地，其北缘地壳运动及变形模式对于揭示盆山耦合、青藏高原变形隆升过程具有重要科学意义。然而，由于区域观测稀疏、断层及块体几何形态不清晰等局限性，使得柴达木盆地北缘地壳运动与变形模式的研究结论尚不一致。本项目旨在开展柴达木盆地北缘地壳运动与变形模式的精细研究。重点研究（1）融合稳健估计、方差分量估计、卡尔曼滤波及InSAR技术提取柴达木盆地北缘的高空间分辨率、高精度InSAR形变场并进行精度评定；（2）采用位错模型和边界元技术精化柴达木盆地北缘的三维断层几何；（3）顾及模型分辨率反演柴达木盆地北缘的精细块体运动与变形模式。研究成果能够提升InSAR数据处理精度并克服精度评定难题，开拓断层几何精化研究的新途径，深化对盆山耦合、青藏高原变形隆升过程的认识。

The Qaidam Basin is a large rift basin in the northeastern margin of the Tibet Plateau. The crustal movement and deformation pattern in the northern margin of the Qaidam Basin are of great scientific significance for revealing the basin-mountain coupling and the deformation and uplift of the Tibet Plateau. However, due to the limitations of the sparse regional observation and the unclear geometries of regional fault and block, the research conclusions of the crustal movement and deformation pattern in the northern margin of the Qaidam Basin are not yet consistent. This project aims to carry out the detailed research on crustal movement and deformation pattern in the northern margin of the Qaidam Basin. Research is mainly focused on three parts. The first is the extraction and accuracy evaluation of InSAR deformation field in the northern margin of the Qaidam Basin with high spatial resolution and precision by combining robust estimation, variance component estimation, Kalman filtering and InSAR techniques. The second is the refinement of the 3D fault geometry in the northern margin of the Qaidam Basin based on the dislocation model and the boundary element technique. The final is the determination of the detailed block movement and deformation pattern in the northern margin of the Qaidam Basin by considering the model resolution. The research results can improve the accuracy of InSAR data processing, overcome the difficulty of accuracy evaluation, explore the new way of refining fault geometry, and deepen the understanding of the basin-mountain coupling and the deformation and uplift of the Tibet Plateau.