On the relation between the evolution of natural environment and human factors and the development of urban settlement—Take the Lanzhou Valley Basin as an examples

@article{Xian1991OnTR,
  title={On the relation between the evolution of natural environment and human factors and the development of urban settlement—Take the Lanzhou Valley Basin as an examples},
  author={Xiaowei Xian and Linyuan Zhang and N. S. Ai and Wohlke Wihelm},
  journal={Chinese Geographical Science},
  year={1991},
  volume={1},
  pages={42-53}
}
Lanzhou Valley Basin is composed of two smaller diamond-shaped basins striking from NW to SE and including 6 river terraces. The lower terraces remaining even and smooth are main sites for city buildings. The main function of Lanzhou urban settlement is a ferry and transport centre. Lanzhou used to be an important crossing site and post on the “silk road”, and then became a transport and trade centre in Northwest China. In the middle part of the 17th century, Lanzhou became the capital of Gansu… Expand
City profile Lanzhou
Abstract The article summarizes the historical development of Lanzhou, especially during the last 60 years. Two thousand years ago it located just off the Silk Road, which contributed greatly inExpand
Structural and functional characterization of a soil microbial community which is able to convert waste cooking oil to fatty-acid-derived fuels.
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The neotectonic stress field in the regions of Shaanxi, Gansu, Ningxia and Qinghai (China)
ZusammenfassungDas neotektonische Spannungsfeld in den Regionen von Shaanxi, Gansu, Ningxia und Qinghai (China)Geologische, seismologische, geodätische und geomorphologische Daten wurden verwendet,Expand