Research on the Construction of Sponge Campus from the Perspective of Low Impact Development : A Case Study of Jiangpu Campus of Nanjing Tech University

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The rapid development of cities has caused serious damage to the urban ecological environment and has caused great changes in the global climate. In recent years, sponge city planning and construction have been carried out in many cities. As an important part of the city, the waterlogging problem of universities should also be paid attention to. Taking Jiangpu Campus of Nanjing Tech University as an example, through field investigation, we found that there are 9 locations with serious water accumulation on campus, 4 locations with different water accumulation degree were analyzed and selected. The causes of water accumulation were analyzed by controlling variables (including green space scale, green space density, terrain height difference, permeable pavement area, drainage facilities, etc.). Among them, we selected two indices include green space scale and distribution, using FRAGSTATS3.3 software, to describe the characteristics of green space patch landscape of 4 locations in detail. The analysis shows that the causes of waterlogging in the campus. Based on the study of 6 classical cases in China and abroad. Eight measures for building the campus as a "sponge campus" are put forward from two aspects of construction technology and management, in order to alleviate campus waterlogging, improve water environment quality and increase water recycling.
Low Impact Development, campus waterlogging, sponge campus, strategies