Abstract:
Based on Landsat 8 OLI_TIRS image in 2018, the models of kernel density, proximity index, fractal and accessibility were used to analyze the characteristics of spatial agglomeration, fractal, and accessibility to production and living facilities of rural settlements in Fengxian by GIS method. The results showed that: (1) The total density of the rural settlements distribution was about 1.52 km
−2 and characterized by “higher in the north area and lower in the south area” and “higher inside and lower outside”. The spatial distribution characteristic of rural settlements was aggregated-random. (2) The rural settlements showed the obvious fractal characteristics, with aggregation dimension of 0.7541, which indicated that the rural settlements in Fengxian were gradually decreasing from measurement center to periphery. (3) The accessibility to production and living facilities of each village in the study area was better overall. The area with the best accessibility to production and living facilities accounted for 13.71%, mainly in the middle of the study area with convenient transportation, and nearing trade markets, hospitals and schools, including Changdian, Sunlou and Fengcheng. The area with worse and the worst accessibility to production and living facilities accounted for 27.43%, which was mainly distributed in the marginal zone affected by the “marginal effect” and the region obstructed by the river.