基于OLI数据的天津市土地利用空间格局分析
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摘要
以天津市2016年的Landsat OLI遥感影像为数据源,结合景观指数定量分析了天津市的空间格局特征.结果表明:耕地是天津市最主要的土地利用类型,占土地总面积的52.01%,其次是建设用地和水域,占土地总面积的31.57%和10.65%.耕地的分布呈"北多南少",主要分布于远郊区;建设用地的分布以中心城区和滨海新区中心区为核心,集中于海河沿岸;水域的分布呈"东多西少";林地主要分布在天津市的北部蓟州区.随着距以和平区为中心的市区越远,土地利用的复杂度越高,各类地物斑块的分布也越均匀,被主要景观类型所主导的程度也越低,各类地物斑块的规则化程度越低.
With Landsat Operational Land Imager(short for OLI) remote sensing images of Tianjin in 2016 as the data source, this paper quantitatively analyzed the spatial pattern of land use based on the landscape index. The results showed that cultivated land was the main land use type in Tianjin City, accounting for 52.01% of the total land area, followed by construction land and water area, accounting for 31.57% and 10.65% of the total land area respectively. The distribution of cultivated land is presented in the pattern of "more in north and less in south", and mainly in the outer suburban areas. The core areas of construction land are distributed in the central city and Binhai New Area center and along both banks of the Haihe River, centralizing along the River. The distribution of water areas in Tianjin City is presented in the pattern of"more in east and less in west". Forest area is mainly distributed in Jizhou District in the northern part of Tianjin. The farther away from the urban area, which is centered on Heping District, the higher the complexity of land use, the more uniform the distribution of various types of plots, the lower the degree of dominance of the main landscape types, and the lower the degree ofregularity of various types of plots.
With Landsat Operational Land Imager(short for OLI) remote sensing images of Tianjin in 2016 as the data source, this paper quantitatively analyzed the spatial pattern of land use based on the landscape index. The results showed that cultivated land was the main land use type in Tianjin City, accounting for 52.01% of the total land area, followed by construction land and water area, accounting for 31.57% and 10.65% of the total land area respectively. The distribution of cultivated land is presented in the pattern of "more in north and less in south", and mainly in the outer suburban areas. The core areas of construction land are distributed in the central city and Binhai New Area center and along both banks of the Haihe River, centralizing along the River. The distribution of water areas in Tianjin City is presented in the pattern of"more in east and less in west". Forest area is mainly distributed in Jizhou District in the northern part of Tianjin. The farther away from the urban area, which is centered on Heping District, the higher the complexity of land use, the more uniform the distribution of various types of plots, the lower the degree of dominance of the main landscape types, and the lower the degree ofregularity of various types of plots.
引文
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[2]韩会然,杨成凤,宋金平.北京市土地利用空间格局演化模拟及预测[J].地理科学进展,2015,34(8):976-986.
[3]张荣天,张小林,李传武.镇江市土地利用景观格局分析[J].经济地理,2012,32(9):132-137.
[4]刘纪远,匡文慧,张增祥,等. 20世纪80年代末以来中国土地利用变化的基本特征与空间格局[J].地理学报,2014,69(1):3-14.
[5]侯西勇,徐新良. 21世纪初中国海岸带土地利用空间格局特征[J].地理研究,2011,30(8):1370-1379.
[6]刘纪远,张增祥,徐新良,等. 21世纪初中国土地利用变化的空间格局与驱动力分析[J].地理学报,2009,64(12):1411-1420.
[7]刘湘南,许红梅,黄方.土地利用空间格局及其变化的图形信息特征分析[J].地理科学,2002,22(1):79-84.
[8]崔闪闪,刘庆,王静.滨海开发带景观格局指数的尺度效应及对土地利用变化的响应:以江苏省大丰市为例[J].地理与地理信息科学,2016,32(6):87-93.
[9]于雯.基于GIS/RS的滨海湿地景观空间格局多尺度分析[D].大连:辽宁师范大学,2015.
[10]任平,洪步庭,刘寅,等.基于RS与GIS的农村居民点空间变化特征与景观格局影响研究[J].生态学报,2014,34(12):3331-3340.
[11]姚嘉.基于景观生态学的中国土地利用空间格局及其变化分析[D].北京:中国科学院研究生院,2003.
[12] MENESES B M,REIS R,VALE M J,et al. Land use and landcover changes in Zêzere watershed(Portugal):Water qualityimplica-tions[J]. Science of the Total Environment,2015,439(9):527-528.
[13] MAZZETTO A M,FEIGL B J,CERRI C E P,et al. Comparinghow land use change impacts soil microbial catabolicrespiration in Southwestern Amazon[J]. Brazilian Journal ofMicrobiology,2016,47(1):63-72.