龙泉驿区建设用地动态变化及驱动力分析

为了合理调整城市用地结构，实现土地资源优化配置，促进社会经济健康稳定发展，以成都市龙泉驿区1996—2012年土地利用现状调查数据及相关统计资料为基础，分析了该区17年来建设用地动态变化特征，并引入灰色关联度模型定量研究建设用地变化的驱动力。结果表明：龙泉驿区建设用地总体呈快速增长趋势，17年间增加了123.50%，其中居民点及独立工矿用地增幅最大，达到139.77%，其次是交通用地，增加了58.88%，而水利设施用地增幅相对较小。驱动力分析结果表明，人口、经济发展水平、产业结构调整是驱使建设用地增长的三大因子，其中以人口对建设用地规模扩张的驱动作用最为明显，其灰色关联度达0.992。

Analysis on Dynamic Change of Construction Land in Longquan District and Its Driving Forces

In order to adjust the urban land structure reasonably, realize the optimal allocation of land resources, and promote the healthy and stable development of social economy, based on the survey of land use data and related statistical data of Longquan District in 1996 to 2012, characteristics on the dynamic change of construction land of Longquan in 17 years was analyzed, with grey correlation model for quantitative study on construction land＇ s driving force introduced. The results showed that： Longquan＇ s overall construction land had a trend of rapid growth which was 123.50% nearly in 17 years. The residential and industrial land had the largest increase which was up to 139.77%. Traffic land was increased by 58.88%, while water conservancy facilities had a small increase relatively. Results of the driving force analysis showed that： the expansion of construction land was driven by three major factors such as the population, the level of economic development, and the industrial structure adjustment, while the population was the most obvious factor in it, grey correlation of population was 0.992.