Based on geomorphological and sedimentological analysis of the Loess Plateau in North China, six types of the underlined landforms beneath loess layers are recognized.

• 摘要在分析黄土高原地貌与沉积特徵的基础上，确定了黄土层下6种不同类型的基底地形，其上黄土层厚度与黄土地貌的空间差异均与基底地形的类型有关。