This paper expounds the regional geological background of Songliao basin, the division of hydrogeological cycles, puts emphasis on the analysis on the model and characteristics of hydrodynamic field.

• 摘要本文阐述了松辽盆地区域地质背景、水文地质旋回的划分，重点分析了松辽盆地地下水动力场模式及特徵。