Estimating the size of urban populations using Landsat images: a case study of Bo, Sierra Leone, West Africa

Table 11 Measured and estimated values of population and population density using EBL estimator

y(1) Name	(2) p = Population	(3) Measured area in km\(^2\)	(4) d = Persons per km\(^2\)	(5) Estimated \({\hat{d}}\)	(6) Estimated \({\hat{p}}\)	(7) RE (%)
Moibawo Farm	135	0.5	270.04	203.5	101.75	− 24.64
Roma	139	0.04	3510.72	3353.39	134.1356	− 4.48
Bo Central	273	0.066	4137.9	4224.7	278.8302	2.10
Toubu	454	0.016	28089.66	27109.01	433.7442	− 3.49
Salina	580	0.467	1242.8	1537.59	718.0545	23.72
Dodo	597	0.049	12126.22	12417.3	608.4477	2.40
Reservation	637	2.329	273.5	188	437.852	− 31.26
Kpetewoma	640	0.197	3250.74	3374.54	664.7844	3.81
Lewabu	879	0.479	1836.16	2057.56	985.5712	12.06
Tengbewabu	1068	0.68	1571.17	1557.68	1059.222	− 0.86
New York	1088	1.513	719.3	604.88	915.1834	− 15.91
Komende	1103	0.196	5622.16	5924.81	1161.263	5.38
Kindia Town	1160	0.146	7972.46	8357.53	1220.199	4.83
New Site	1248	0.686	1818.17	1815.95	1245.742	− 0.12
Yemoh Town	1858	0.404	4602.47	4455.86	1800.167	− 3.19
Njai Town	2298	0.216	10641.33	10061.91	2173.373	− 5.44
Kissi Town	2490	0.196	12709.81	12463.32	2442.811	− 1.94
Nduvuibu	2552	0.493	5177.21	5661.29	2791.016	9.35
New London	2873	0.597	4813.01	4308.02	2571.888	− 10.49
Kulanda Town	3882	0.294	13216.15	13149.33	3865.903	− 0.51
Mean	1297.7	0.48	6180.05	6141.31	2947.829	− 0.63
Median	1078	0.35	4370.18	4266.36	1493.226	− 2.38

This table lists the (1) section name (2) measured section population (3) measured section area in \(km^2\) (4) population density \(d = Persons/km^2\) (5) the regression-estimated population density \({\hat{d}}\) (6) the estimated population/section \(\hat{p_{i}}=Area*{\hat{d}}\). (7) the Relative Error (RE) for the density estimation

ISSN: 1476-072X