Fig 1.
The location of the greater Maputo region.
The base maps (World topographic map) were obtained at ArcGIS Online and are the property of ESRI, used herein under license [28]. The copyrights belong to ESRI, but according to the terms of use, the copyright holder does not need to apply for permission to use because it is free for academic publications, and can be used freely and commercially under the CC BY 4.0 license.
Fig 2.
(a) year 1990; (b) year 2000; (c) year 2015. Maps used in Fig 2 were edited from Landsat [45] and USGS EROS [46].
Fig 3.
(a) site selection criteria; (b) steps for assessing landfill site suitability.
Table 1.
Suitability criteria and scores.
Fig 4.
Classification of unsuitable, moderately suitable and highly suitable areas: (a) land use; (b) transport network; (c) geology; (d) slope; (e) conservation reserve; (f) hydrology. Maps were edited from Landsat [45] and USGS EROS [46].
Table 2.
Pairwise comparison of criteria giving a higher weighting to land use.
Fig 5.
Past and future population growth, from 1997 to 2037.
Fig 6.
Population projection scenarios.
(a) population density in 2017 (inhabitants/Km2); (b) population density in 2037 (inhabitants/Km2); (c) population growth rate average (%). Maps were edited from the Landsat [45] and USGS EROS [46].
Table 3.
Current and future projected waste generation in the greater Maputo area, by city.
Fig 7.
(a) Scenario 1 –weighted overlay for 2017; (b) Scenario 2 –weighted overlay for 2037. Maps were edited from the Landsat [45] and USGS EROS [46].