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为通过数量化分析掌握赣南低山丘陵区龙南县农村居民点的空间分布规律,以龙南县2013年农村居民点和DEM矢量数据为研究对象,运用GIS空间分析法、Voronoi图Cv值与核密度函数相结合的分析方法,探究了龙南县居民点的空间分布特征及其影响因素。结果显示:龙南县整体Cv值达到了147.81%,各乡、镇、垦殖场除了安基山垦殖场之外,其余14个乡级单位的Cv值都大于64%,居民点空间集聚分布特征明显,呈现出大集聚,小分散特征;基于核密度分析发现龙南县居民点空间布局呈现“北密南疏”的格局,平均密度为1.66个/km2;同时龙南县居民点空间布局受海拔、坡度、坡向、公路与河流水源因素影响较强,表现出明显的地形和交通指向。
In order to grasp the spatial distribution of rural residential land in Longnan County in the hilly area of southern Jiangxi Province through quantitative analysis, taking the rural residential land and DEM vector data of Longnan County as the research object in 2013, GIS spatial analysis method, Voronoi diagram Cv value and kernel Density function of the combination of analysis methods to explore the spatial distribution of residential areas in Longnan County and its influencing factors. The results showed that the overall Cv value of Longnan County reached 147.81%, and the Cv values of other townships, towns and farms in addition to the Aki Shan reclamation sites were all over 64%. The characteristics of the spatial distribution of settlements were obvious, The results showed that the spatial distribution of residential area in Longnan County showed a pattern of “North Mianyang Shu” with an average density of 1.66 per km2. Based on the analysis of nuclear density, the spatial distribution of residential area in Longnan County was affected by altitude, Slope, aspect, highway and river water source have strong influence, showing obvious topography and traffic direction.