The Effect of Village Morphological Variation Caused by Economic Development on Residents’ Health and Rural Ventilation in Tianjin

Many multi-story residential buildings have been built in villages to improve the living quality of rural residents in China. Therefore, village morphology has dramatically changed compared to the past. Since northern China continues to suffer from environmental problems, improving village ventilation by optimizing village morphology is essential for creating a good rural environment. In this study, 17 morphology models were categorized based on 383 actual villages in Tianjin. In addition, the ventilation capacity of courtyards and streets and residents’ health risks of different morphology cases were analyzed. For the northwest wind direction, the ventilation capacity of the courtyards in the northern part of the village can be improved when there are multi-story residences in the north or west of the village. Accordingly, in the southeast wind direction, multi-story buildings in the south or east of the village can improve the courtyard ventilation in the southern part of the village. In addition, multi-story buildings in the west or east of the village can form ventilation corridors in the northwest or southeast wind direction. The morphologies without multi-story buildings in the west or east of the village were recommended to be applied in the village planning in Tianjin due to good ventilation capacity and low exposure risks.

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