1. School of Geography, Liaoning Normal Univ., Dalian 116029, China; Human Settlements Research Center, Liaoning Normal Univ., Dalian 116029, China (corresponding author). ORCID: .
2. Professor, School of Geography, Liaoning Normal Univ., Dalian 116029, China; Human Settlements Research Center, Liaoning Normal Univ., Dalian 116029, China.
3. Lecturer, School of Geography, Liaoning Normal Univ., Dalian 116029, China.
4. School of Geography, Liaoning Normal Univ., Dalian 116029, China; Human Settlements Research Center, Liaoning Normal Univ., Dalian 116029, China.