CHARACTERIZING URBAN EXPANSION OF SMALL CITIES IN NIGERIA AND DEMOCRATIC REPUBLIC OF THE CONGO USING LANDSAT TIME SERIES

被引：0

作者：

Chai, Baohui ^{[1
,2
]}

Li, Peijun ^{[1
]}

Seto, Karen C. ^{[2
]}

机构：

[1] Peking Univ, Sch Earth & Space Sci, Inst Remote Sensing & GIS, Beijing 100871, Peoples R China

[2] Yale Univ, Yale Sch Forestry & Environm Studies, New Haven, CT 06511 USA

来源：

2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) | 2019年

关键词：

Urban expansion; CCDC; Landsat time series; Africa; small cities;

D O I：

10.1109/igarss.2019.8899314

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Urbanization dynamics of small cities and towns are understudied, especially for countries in Africa. In this study, we use dense Landsat time series data to extract urban expansion dynamics of small cities and towns in Nigeria and the Democratic Republic of the Congo, and then conduct spatio-temporal analysis to characterize the obtained urban expansion. Our results show that the proposed methodology effectively extracted urban expansion of small cities with acceptable accuracy. Small cities experience patterns and rates of urban expansion that are markedly different from larger cities.

引用

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页码：5948 / 5951

页数：4

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