Mathematical Problems in Engineering

Research Article

Study on Ecological Risk Evaluation and Optimum Selection of Desert Expressway Schemes Based on the Two-Dimensional Cloud Model

Table 5

Digital characteristics of environmental damage and remediation cost evaluation cloud.


Comprehensive risk cloud			First-level risk cloud				Second-level risk cloud
Scheme	Ecological damage	Remediation cost	First-level indexes	Weight	Ecological damage	Remediation cost	Second-level indexes	Weight	Ecological damage	Remediation cost

U	(6.513, 0.350, 0.309)	(6.589, 0.357, 0.308)	U₁	0.207	(4.847, 0.414, 0.368)	(5.808, 0.443, 0.339)	U₁₁	0.056	(5.483, 0.480, 0.438)	(6.150, 0.480, 0.402)
							U₁₂	0.050	(4.200, 0.460, 0.376)	(4.101, 0.752, 0.437)
							U₁₃	0.049	(5.417, 0.404, 0.365)	(6.333, 0.320, 0.296)
							U₁₄	0.052	(4.233, 0.306, 0.289)	(6.583, 0.223, 0.216)
			U₂	0.213	(7.381, 0.472, 0.374)	(7.781, 0.213, 0.206)	U₂₁	0.080	(7.867, 0.404, 0.329)	(8.001, 0.167, 0.162)
							U₂₂	0.066	(7.283, 0.355, 0.338)	(7.450, 0.188, 0.183)
							U₂₃	0.067	(6.901, 0.668, 0.465)	(7.851, 0.292, 0.280)
			U₃	0.205	(7.281, 0.255, 0.243)	(6.856, 0.321, 0.299)	U₃₁	0.041	(7.633, 0.167, 0.165)	(7.750, 0.292, 0.269)
							U₃₂	0.069	(7.801, 0.251, 0.244)	(7.750, 0.313, 0.302)
							U₃₃	0.050	(7.033, 0.251, 0.239)	(5.183, 0.432, 0.386)
							U₃₄	0.045	(6.433, 0.348, 0.318)	(6.517, 0.237, 0.225)
			U₄	0.184	(7.366, 0.287, 0.267)	(6.927, 0.443, 0.363)	U₄₁	0.063	(8.501, 0.292, 0.273)	(7.567, 0.292, 0.271)
							U₄₂	0.057	(5.917, 0.320, 0.296)	(6.817, 0.355, 0.327)
							U₄₃	0.064	(7.550, 0.251, 0.234)	(6.401, 0.668, 0.485)
			U₅	0.191	(5.703, 0.306, 0.284)	(5.491, 0.381, 0.345)	U₅₁	0.046	(4.567, 0.320, 0.291)	(4.801, 0.376, 0.344)
							U₅₂	0.056	(7.633, 0.251, 0.235)	(6.467, 0.306, 0.284)
							U₅₃	0.043	(4.733, 0.334, 0.319)	(4.867, 0.473, 0.411)
							U₅₄	0.046	(5.401, 0.334, 0.302)	(5.583, 0.390, 0.357)