基于因子分析法的县域土地利用 程度时空变异分析 ——以河北省曲周县为例

本文基于多元统计的因子分析法,以河北省曲周县为例,对县域尺度下土地利用程度进行时空变异分析。通过对1985、1995和2000年三个时间点的研究,表明：(1)1985～2000十五年间,曲周县的土地利用程度得到明显提高,其中以槐桥乡最为显著;(2)曲周土地利用程度具有明显的空间分异特征,中东部、西部地区明显高于南部及东南部地区。最后,文章结合区域实际,从自然、社会、经济、区位特征和科学技术五个方面对曲周县土地利用程度的时空变异进行驱动力分析,为调控区域土地利用提供借鉴。

Analysis of Spatial-temporal Differentiation of Land Use Degree Using Factor Analysis on County Regional Scale--The Case of Quzhou County of Hebei Province

It is very significant of land use degree evaluation to instruct land resource use. In this paper, integrated evaluation on land use degree in county regional scale was made by using factor analysis. By taking Quzhou County as an example, the authors studied the spatial-temporal variance on land use degree in 1985, 1995 and 2000. The result of research indicated: in the period of fifteen years from 1985 to 2000, the degree of land use of ten towns in Quzhou County was greatly increased. Among them, Huaiqiao Town was the most distinct, then Liyue Town, while Henatuan Town was the least. In addition, the degree of land use during this period had distinct spatial character. For example, the degree of land use in the east-middle and west was greater than that in the south and south-east of Quzhou County. At last, considering the trait of corresponding region, the authors analyzed the driving force of degree of land use from five aspects of nature, society, economy, location and technology. It indicated that nature factor was the basic driving forces, and the society, economy and technical factors were the important external driving forces. They offered important instructions to regulate land use in Quzhou County.