甘肃省传统村落的空间分异格局研究

Research on the spatial differentiation pattern of traditional villages in Gansu province

针对传统村落的发展和保护问题,该文基于住建部公布的甘肃省传统村落DEM数据为实证对象,结合甘肃省统计局获得的属性数据,以核密度、莫兰指数、高程与中心地相关性的GIS空间分析和计量地学统计的方法,探讨甘肃省传统村落空间分异形态与省域尺度空间分异格局。结果表明:①在空间分异上,空间集聚性明显且存在差异,表现为沿黄河上游地区向东南集聚化分布,地州市分布与地貌类型相关②垂直空间分布上,海拔高程数据跨度较大,最高是甘南迭部扎尕那村,最低是陇南市文县碧口镇白果村郑家社,随着海拔高程的上升,其数量有起伏但总体呈现减少趋势;③传统村落空间分异随海拔高程呈明显的正态分布,空间分异低值集聚,呈现出明显的葫芦状结构,即东部地区和南部地区较集聚,而北部和西部地区较少;④传统村落空间分异呈现地区差异的特征,其与中心城市距离变化成弱相关,主要分布在陇南山地、陇中黄土高原和甘南高原。

In view of the problem of traditional villages development and protection,based on the DEM data of the traditional village of Gansu province,which is published by the Ministry of Housing and Urban Development,and combining the data obtained by the Statistics Bureau of Gansu Province,the spatial analysis of the nuclear density,the Mulan index,the correlation between the height and the center of the Gansu province was analyzed and the methods of measuring the geoscience were used to discuss the spatial differentiation pattern of the traditional villages in Gansu province.The results showed below.①In the spatial differentiation,the spatial agglomeration was obvious and different,which showed the distribution along the upper reaches of the Yellow River to the southeast,and the distribution of the prefecture was related to the landform type.②In the vertical spatial distribution,the altitude data span was large,the highest was the Zagana village in Diebu county of Gannan city,the lowest was the Zhengjiashe village in Bikou town of Longnan city.With the elevation of elevation,the number of traditional villages fluctuates,but the overall trend decreases.③The spatial differentiation of the traditional villages had a clear normal distribution with the elevation,and the spatial differentiation was low,showing a distinct gourd like structure,the eastern and southern regions were more concentrated while the northern and western regions were less.④The spatial differences of the traditional villages had the characteristics of regional differences,which were weakly related to the distance between the central cities and mainly in the Longnan mountain region,the Loess Plateau in the middle of Longzhong and the Gannan Plateau.