徐州市区土地利用格局变化分析及其空间扩张模拟

发布时间：2018-01-06 01:28

本文关键词：徐州市区土地利用格局变化分析及其空间扩张模拟　出处：《生态与农村环境学报》2017年07期 　论文类型：期刊论文

【摘要】：城市化是社会发展进程中的重要阶段,而随着城市化的快速发展,城市土地利用格局发生了巨大变化,城市土地利用问题逐渐浮现。为了破解城市土地利用格局失衡和空间扩张失控的难题,通过遥感解译、空间分析及模型仿真对徐州市区进行土地利用格局分析及其空间扩张模拟预测,预测结果可为未来土地资源的合理利用及政府决策提供科学依据。结果表明:(1)徐州市区各土地利用格局演变表现为集聚趋势,城市空间扩张与结构调整并行,并且总量增长占主导;景观格局方面,斑块破碎化程度降低,斑块分布更加集中,景观复杂程度降低,景观内部与其他斑块类型相邻的斑块数量减少;土地利用/覆被方面,徐州市区周边的耕地、林地和未利用地等用地类型向建设用地不断转化,并且建设用地表现为向东北部和东部扩张趋势。(2)空间模拟显示,2016—2020年间徐州市区周边建设用地空间扩张方向上仍然集中在东北部和东部地区,与现有土地和城市规划方向较为一致,空间扩张预测规模由高到低分别为:东北部4 126.23 hm~2,东部3 203.01 hm~2,西北部2 723.22 hm~2,南部2 600.91 hm~2,东南部2 203.11 hm~2,西南部2 150.64 hm~2,西部1 834.83 hm~2,北部1 565.91 hm~2。建议徐州市区未来(至少5 a内)继续对东部和东北部地区进行重点建设,以实现区域高效可持续发展。
[Abstract]:The city is an important stage in the process of social development, with the rapid development of the city, the city has undergone tremendous changes in land use pattern, city land use problems gradually emerge. In order to resolve the problem of city land use pattern of imbalance and spatial expansion is out of control, through the interpretation of remote sensing, spatial analysis and simulation model to simulate land use pattern analysis and spatial expansion of Xuzhou City, and provide scientific basis for rational use of land resources for the future can be predicted and government decision. The results showed that: (1) Xuzhou urban land use pattern evolution as agglomeration trend, city spatial expansion and structure adjustment in parallel, and the total growth of the dominant landscape pattern, patch fragmentation; reduced the extent of plaque distribution is more concentrated, landscape complexity, the number of landscape patch types and other internal adjacent reduce; Land use / land cover, Xuzhou urban surrounding farmland, forest land and unused land and other land types to construction land transformation, and construction land for expansion to the northeast and Eastern trend. (2) the space simulation shows that 2016 - 2020 years, the outskirts of Xuzhou city construction land spatial expansion direction still concentrated in the northeastern and eastern regions, consistent with the existing land and city planning, Spatial Expansion Prediction Scale from high to low: 4126.23 northeastern hm~2, Eastern northwest 3203.01 hm~2, 2723.22 hm~2, 2600.91 south southeast of hm~2, 2203.11 hm~2, 2150.64 hm~2 southwest, North West 1834.83 hm~2. 1565.91 hm~2. Xuzhou city. (at least 5 a) to continue to focus on the construction of the East and the northeast region to achieve efficient and sustainable development.

【作者单位】：中国矿业大学国土环境与灾害监测国家测绘局重点实验室;南京农业大学中国土地问题研究中心;
【基金】：国家自然科学基金面上项目(71473249);国家自然科学基金重点项目(U1361214) 国家科技基础性工作专项重点项目(2014FY110800) 江苏省社会科学基金重点项目(15EYA002)
【分类号】：F301.2
【正文快照】： 伴随着我国城镇化的快速发展,城市土地利用问题也逐渐显现。近年来,我国城市规划出现严重失控问题[1-2],不少城市热衷于规划新城、新区,2013年全国12个省会城市共规划建设了55个新城新区[3];另有数据显示,2000—2014年间我国城市建设用地面积年均增速为7.72%,而该期间城镇人口

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