文献类型：期刊文献

中文题名：基于遥感的宜春主城区城市空间扩展时空特征及形态演变

英文题名：Spatial Temporal Characteristics and Morphological Evolution of Urban Spatial Expansion in Main Urban Area of Yichun by Remote Sensing

作者：罗嘉东[1] 华怡凯[1] 熊光康[1] 汪盛民[2] 喻龙华[1]

第一作者：罗嘉东

机构：[1]中国林业科学研究院亚热带林业实验中心,江西分宜336600;[2]景德镇市枫树山林场,江西景德镇333000

年份：2021

卷号：27

期号：21

起止页码：182-185

中文期刊名：安徽农学通报

外文期刊名：Anhui Agricultural Science Bulletin

基金：国家重点研发计划子课题(杉木等南方树种人工林三维可视化模拟技术试验与验证,2017YFD0600905-3);中国林业科学研究院中央级公益性科研院所基本科研业务费专项资金项目(南方红豆杉种质保育和种群恢复,CAFYBB2018ZB010)。

语种：中文

中文关键词：城市扩张;演变;宜春;Landsat TM

外文关键词：Urban expansion;Evolution;Yichun;Landsat TM

分类号：S757.2;P237

摘要：基于宜春市多时相Landsat TM遥感影像提取不同时期城市建设用地信息,采用景观指数法等空间方法对宜春市袁州区城市扩张特征和形态演变进行定量分析。结果表明,2000—2018年间宜春市建设用地的扩张主要通过大面积侵占耕地实现,城市扩张速度快于人口增长速度,不利于城市空间结构的可持续发展;建成区面积持续增长,外部轮廓趋于紧凑,主城区扩张减弱,城市扩张的方向主要集中在袁州区东部和北部;城市扩张过程中紧凑指数降低,土地利用开发程度较低,建成区由紧变松。
In this paper,the multi temporal Landsat TM remote sensing image of Yichun city is used to extract the urban construction land information in different periods.The spatial methods such as landscape index method are used to quantitatively analyze the urban expansion characteristics and morphological evolution of Yuanzhou District in Yichun city.The results show that,from 2000 to 2018,the expansion of construction land in Yichun city is mainly realized by large-scale occupation of cultivated land.Urban expansion is faster than population growth,which is not conducive to the sustainable development of urban spatial structure.The area of built-up areas continued to in?crease,mainly in the East and north of Yuanzhou district.In the process of urban expansion,the compactness index decreases,the degree of land use and development is low,and the built-up area changes from compact to loose.