The Summer Cooling Effect Of Campus Wetlands In Minnan Region

Choosing three different size of the artificial wetlands in Xiamen campus ofHuaqiao university, field measure the temperature, relative humidity and wind speedaround the environment of the three kinds of wetland respectively in summer, and usethe measure numerical as the computer simulation parameters, plug in softwarePHOENICS to simulation verification, comparative analysis the three different formof the wetlands’ cooling pattern under the influence of the distance, wind speed,temperature. The following several aspects of the main conclusions:(1) Within100metres of wetlands, the linear relationship between thetemperature and the distance appears similar to parabolic, the most intuitivesimplified function relationships between the temperature and the distance is probablyT=T0+f(x)S. Comparison shows: original temperature （T0),that is the temperatureof Wetlands margin0m, Large patches of wetlands＜Corridor wetlands＜Smallpatches of wetlands. variables constant f(x), that is the temperature rise range, Largepatches of wetlands＜Corridor wetlands＜Small patches of wetlands.(2) Period of7:00-9:00, degree of cooling: Large patches of wetlands＞Corridorwetlands＞Small patches of wetlands. Period of11:00-13:00, degree of cooling:Large patches of wetlands＞Corridor wetlands≈Small patches of wetlands. Period of15:00-17:00, degree of cooling: Large patches of wetlands≈Corridor wetlands＞Small patches of wetlands. Wetland’s biggest maximum cooling degree focused on11PM, large patches of wetlands average maximum cooling degree is4.2℃, Smallpatches of wetlands average maximum cooling degree is3.7℃,Corridor wetlandsaverage maximum cooling degree is3.7℃. Compared with no wetland area, thediurnal of the temperature around the wetlands edge has a certain delay effect relativeto no wetland area, the most obvious time of the delayed effect is at9:00to13:00.The maximum delay of every2hours is Large patches of wetlands＞Small patches ofwetlands≈Corridor wetlands.(3) The greater the wind speed, the greater the overall environment temperaturedrops around the wetlands. However, it is not the greater the wind speed, the faster the overall environment temperature drops around the wetlands. Wetland lee shore’stemperature is lower than the weather shore’s temperature. The greater the windspeed, the temperature of downwind is lower than the upwind.Studying the effect of wetland water in campus on micro climate environment,which has a guiding significance for reasonable planning, construction of artificialwetlands and campus architecture design. The ideal model of wetland planning incampus is the regional sharing large patches of wetlands, and each area is equippedwith small patches of wetland with corridor wetlands. Large patches of wetlands canarrange in the center of the campus as much as possible, appropriate bias the directionof upwind. Corridor wetlands can be designed surrounding on the edge of the campus.Small patches of wetlands should distributed arrangement appropriately, reducing thetemperature of the local environment. On designing the wetland campus architecture,in order to maximize the cooling effect of wetlands, it can design the open floor,courtyard space, and concave&convex design of the architectural form, the holedesign of architecture, wind corridor between building design.