Table 5 Evaluation index system of “Environment-Value-Memory” coupling system

Environment System (E)

Natural environment (E₁)

E₁₁ Green coverage

0.0463

+

E₁₂ Air quality index

0.0087

+

E₁₃ Noise level

0.0331

-

Built environment (E₂)

E₂₁ Surrounding building density

0.0502

-

E₂₂ Road network density

0.0749

+

E₂₃ Facility completeness

0.083

+

E₂₄ Spatial connectivity

0.1077

+

Value System (V)

Historical value (V₁)

V₁₁ Scarcity of industrial history resources

0.039

+

V₁₂ Heritage integrity

0.0441

+

V₁₃The beginning and witness of industrial history

0.0452

+

V₁₄ Relationship between historical events and characters

0.0450

+

Technological value (V₂)

V₂₁Advances and impacts of industrial technology

0.0867

+

V₂₂ The value of construction technology

0.0383

+

Artistic value (V₃)

V₃₁ The artistic value of landscape sketches

0.0115

+

V₃₂ Artistic value of style, form, shape, space, material, color, and decoration

0.0337

+

V₃₃ The artistic value of the overall layout, spatial structure, technical structure, and environmental facilities

0.0182

+

Social value (V₄)

V₄₁ Social identity and sense of belonging

0.0289

+

V₄₂ Connection with social life

0.0270

+

Memory System (M)

Material memory (M₁)

M₁₁ Persistence of memory

0.0716

+

M₁₂ Accuracy of memory

0.0401

+

Immaterial memory (M₂)

M₂₁ The diversity of memory

0.0320

+

M₂₂ Emotions of memory

0.0223

+

M₂₃ Continuity of memory

0.0125

+