[1]钟华瀚,饶永智,徐丹丹*.基于Landsat 8 OLI和Sentinel-2A的南京市各城区绿化差异分析[J].江苏林业科技,2018,45(05):21-27.[doi:10.3969/j.issn.1001-7380.2018.05.005]
　Zhong Huahan,Rao Yongzhi,Xu Dandan*.Difference analysis of the greenlands of the urban districts in Nanjing City based on Landsat OLI imagery[J].Journal of Jiangsu Forestry Science &Technology,2018,45(05):21-27.[doi:10.3969/j.issn.1001-7380.2018.05.005]
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基于Landsat 8 OLI和Sentinel-2A的南京市各城区绿化差异分析()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第45卷
期数:
2018年05期
页码:
21-27
栏目:
试验研究
出版日期:
2018-10-15

文章信息/Info

Title:
Difference analysis of the greenlands of the urban districts in Nanjing City based on Landsat OLI imagery
文章编号:
1001-7380（2018）05-0021-07
作者:
钟华瀚; 饶永智; 徐丹丹*
南京林业大学生物与环境学院生态系,江苏 南京 210037
Author(s):
Zhong Huahan; Rao Yongzhi; Xu Dandan*
Department of Ecology, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
城市绿化面积; Landsat 8; Sentinel-2A; 监督分类; 绿化率; 南京市
Keywords:
Urban green area; Landsat 8; Sentinel-2A; Supervised classification; Green ratio; Nangjing
分类号:
S732/737
DOI:
10.3969/j.issn.1001-7380.2018.05.005
文献标志码:
A
摘要:
遥感作为多时空技术在全面调查城市绿化现状方面具有优势,遥感在城市绿地调查中的应用也随着遥感技术的发展和遥感影像质量及精度的提高越来越广泛。该研究基于Sentinel-2A和Landsat 8影像将南京市区域地块分类为绿地、建筑地、农业用地(包括耕种期的农田和非耕种期的裸地)和水体,并针对南京市不同的分区计算人均绿地和绿化率,及其与城市发展之间的关系。结果显示,南京各区绿地率分别为:江宁区22％，溧水区27％，浦口区35％，六合区28％，栖霞区24％，雨花台区33％，建邺区20％，玄武区42％，鼓楼区17％，秦淮区18％，高淳区20％;各区人均绿化面积为:江宁区377 m2／人，溧水区716 m2／人，浦口区606 m2／人，六合区697 m2／人，栖霞区222 m2／人，雨花台区173 m2／人，建邺区67 m2／人，玄武区63 m2／人，鼓楼区9 m2／人，秦淮区13 m2／人，高淳区362 m2／人。数据反映了绿地率与人均绿化面积可能与不同行政区的规划以及城市化程度有联系。
Abstract:
Along with fast pace of urban sprawl in Nanjing City, Jiangsu Province, urban green ratio (green area ratio to impervious area in a city) and the average green area per person change gradually. Remote sensing, with various spatial and temporal information, has been widely applied in investigating urban greenland. In this study, both Sentinel-2 and Landsat 8 images were used to classify Nanjing City into four classes, i.e., green land, impervious area, agricultural fields (including farmland and bareland) and water body, and then green ratio and average green area per person were compared among 11 districts of Nanjing City. The results showed that green ratio of 11 districts in Nanjing was as follows, 22％ in Jiangning District, 27％ in Lishui District, 35％ in Pukou District,28％ in Luhe District, 24％ in Qixia District, 33％ in Yuhuatai District, 20％ in Jianye District, 42％ in Xuanwu District, 18％ in Qinhuai District, 20％ in Gaochun District, 17％ in Gulou District; and average green area per person of 11 districts in Nanjing was as follows, 337 m2／person in Jiangning District, 716 m2／person in Lishui District, 606 m2／person in Pukou District,697 m2／person in Luhe District, 222 m2／person in Qixia District, 173 m2／person in Yuhuatai District, 67 m2／person in Jianye District, 63 m2／person in Xuanwu District, 13 m2／person in Qinhuai District, 362 m2／person in Gaochun District, 9 m2／person in Gulou District. The data reflects that the green ratio and average green area per person may be related to the planning of different administrative regions and the degree of urbanization.

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备注/Memo

备注/Memo:
收稿日期：2018-03-16;修回日期：2018-08-22
基金项目：江苏高校优势学科建设工程资助项目
作者简介：钟华瀚(1997- ),男,广东广州人,大学本科生。主要从事生态遥感技术研究以及鳞翅目昆虫生态学研究。
*通信作者：徐丹丹(1987- ),女,江苏南通人,副教授,博士。E-mail: dandan.xu@njfu.edu.cn。
更新日期/Last Update: 2018-11-22