Modeling the internal structure, dynamics and trends of urban sprawl in Ghanaian cities using remote sensing, spatial metrics and spatial analysis

被引：14
作者：
Kpienbaareh, Daniel [1 ]
Luginaah, Isaac [1 ]
机构：
[1] Western Univ, Dept Geog, London, ON, Canada
来源：
AFRICAN GEOGRAPHICAL REVIEW | 2020年 / 39卷 / 03期
关键词：
Spatio-temporal dynamics; urban sprawl; spatial metrics; spatial analysis; Wa; Tamale; Ghana; LANDSCAPE; PATTERNS; FORM; LANDSAT; REGION; TAMALE; DETERMINANTS; AGGREGATION; ADJUSTMENT; ACCURACY;
D O I：
10.1080/19376812.2019.1677482
中图分类号：
P9 [自然地理学]; K9 [地理];
学科分类号：
0705 ; 070501 ;
摘要：
In Ghana, studies on urban sprawl have focused on the use of conventional survey maps and qualitative descriptions that mask policy-relevant information for planning. We apply remote sensing data and spatial statistics to examine the Spatio-temporal dynamics in the internal structure of two cities. We find that the total area of the urban fabric in Wa increased from 11.365ha ? 0.413ha in 1986 to 1, 775.848ha ? 52.094ha in 2017, while Tamale?s increased from 715.425ha ? 5.969ha in 1984 to 6,890.177ha ? 208.105ha in 2017. The results also revealed contiguity in urban clusters. We discuss the implications of our findings within the context of spatial planning in Ghana.
引用
收藏
页码：189 / 207
页数：19
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