Acta Geographica Sinica ›› 2017, Vol. 72 ›› Issue (1): 105-115.doi: 10.11821/dlxb201701009

• Soil and Surface Processes • Previous Articles     Next Articles

Spatial and temporal variation and its driving forces of urban impervious surface in urban-rural continuum of Harbin

Miao LI1,2(), Shuying ZANG2(), Changshan WU2, Yang TIAN2   

  1. 1. School of Geographical Sciences, Harbin Normal University, Harbin 150025, China
    2. Key Laboratory of Remote Sensing Monitoring of Geographic Environment, College of Heilongjiang Province, Harbin 150025, China
  • Received:2016-08-06 Revised:2016-11-01 Online:2017-01-20 Published:2017-01-20
  • Supported by:
    Natural Science Foundation of Heilongjiang Province, No.QC2016050, No.ZD201308;National Natural Science Foundation of China, No.41571199

Abstract:

Due to its rapid economic development in recent years, China is becoming ever more urbanized. With this background of urbanization, land use and land cover change are complex in urban-rural continuum where the land is characterized by both town and country usages. The urban-rural continuum of Harbin City, Heilongjiang Province was chosen as the study area. Impervious surface from the Harbin urban-rural continuum was extracted by a linear spectral mixture analysis method based on the Landsat TM image acquired in the years of 1984, 1993, 2002 and 2010. The temporal and spatial variations of the urban impervious surface were examined. A boosted regression tree was employed to identify the most important factor that has been affecting the expansion of the impervious surface since 1984 from among eight factors, i.e. slope, aspect, DEM, distance to river, distance to expressway, distance to railway, distance to main road, and distance to the central city in 1984. The results indicate that the proportion of impervious surfaces in the Harbin rural-urban continuum was 3.9% in 1984, 6.6% in 1993, 9.0% in 2002, and 16.52% in 2010. The distribution patterns of impervious surface coverage from 1984 to 2010 showed obvious spatial variations. Traffic factors, including expressways, railways, and main roads, have been propelling the development of surrounding area, and inducing the rapid expansion of cities along the roads.

Key words: rural-urban continuum, impervious surface, driving force, temporal and spatial variation, Harbin City