Which major physical regions make up Shaanxi province?

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Shaanxi province is geographically divided into three distinct natural regions, which transition from mountainous terrain in the south to an upland plateau in the north.1

  • The Mountainous Southern Region: This area serves as the drainage basin for the upper Han River. It is defined by two major mountain complexes: the Daba Mountains in the south and the Qin (Tsinling) Mountains in the north. The region also contains the fertile Hanzhong Basin.1
  • The Wei River Valley: Located in central Shaanxi, this region is a major geological trough formed by the Wei River. It is characterized by extensive alluvial plains composed largely of loess and is a zone of significant seismic activity.1
  • The Northern Upland Plateau: This region is a vast basin of sedimentary rock covered by a deep mantle of loess. It is a peneplain that has been heavily eroded into a landscape of deep ravines and vertical cliffs, forming part of the larger Loess Plateau of north-central China.12