Tongji University, Shanghai, China
Personal Capstone Project, supervised by Daixin DAI & Lin ZHANG
Polders are a wise response of ancient Chinese to the lowland environment in Yangtze watershed. Nowadays, the fact that prominent land-use type is converted from polder to new town has resulted in aggravation of the flood risk, decrease of biodiversity and invalidity of the original human settlement.
Aiming to reintroduce the traditional eco-wisdom to the New Town construction, I summarized the mechanism of the conventional polder landscape based on literature review and on-site survey. I found out that efficient coupling of three subsystems, namely flexible stormwater management, efficient land-use, and polder-based community, provides the driving force of the landscape regeneration.
According to the mechanism, sustainable strategies of ecological planning and design were proposed for the case of Hangbu New Town in Shucheng, China: (1) low impact development strategy by reusing the stormwater management system of original polder landscape, including maintaining polder banks, dredging river channels, and appropriate zoning; (2) enhancement of ecosystem services by conservating native plant communities and constructing greenway on polder banks; (3) build open residential community based on the polder banks.
The conclusion can be drawn that new town planning should refer to the traditional polder wisdom in terms of the integrated organization of stormwater, land-use and human beings.