Analytic Hierarchy Process (AHP) for a Landfill Site Selection in Chachapoyas and Huancas (NW Peru): Modeling in a GIS-RS Environment

Table 6

Areas according to suitability levels for each subcriterion for the analysis of the suitability of potential landfill sites in Chachapoyas and Huancas, NW Peru.

Subcriterion	Unsuitable (S0)		Marginally suitable (S2)		Moderately suitable (S3)		Highly suitable (S4)
	km^2	%	km^2	%	km^2	%	km^2	%
Elevation	3.85	1.9	20.82	10.4	28.84	14.4	131.95	66.1
Slope	32.73	16.4	41.31	20.7	53.26	26.7	58.16	29.1
Soil texture	17.10	0.1	40.25	78.8	49.23	13.4	78.89	0.6
Proximity to geological fault	0.00	8.6	15.50	20.2	169.96	24.7	0.00	39.5
Mean annual rainfall	0.00	0.0	25.89	7.8	105.32	85.1	54.25	0.0
Average annual temperature	12.12	0.0	116.56	13.0	52.51	52.7	4.28	27.2
Geology type	3.85	6.1	20.82	58.4	28.84	26.3	131.95	2.1
Proximity to a water source	72.29	36.2	34.65	17.4	44.23	22.2	34.30	17.2
Proximity to PNA	11.31	5.7	32.44	16.2	0.00	0.0	141.72	71.0
LULC	49.89	25.0	85.03	42.6	50.55	25.3	0.00	0.0
Proximity to access to roads	54.87	27.5	43.40	21.7	46.79	23.4	40.41	20.2
Proximity to urban areas	24.66	12.3	28.09	14.1	57.64	28.9	75.08	37.6
Proximity to tourist centers	2.70	1.4	9.41	4.7	35.40	17.7	137.96	69.1
Proximity to the airport	35.09	17.6	7.74	3.9	19.47	9.8	123.17	61.7