Some Thoughts On The Modern City Roof Garden Landscape Designs

The production and the development of world roof garden had more than 2600 years in the history, which experienced 3 functions and design period. The roof gardens are almost designed by the craftsman of monarch and nobility. And it is purpose to enjoyment of the private garden. The appearance of the roof theater in New York in the end of 19 centuries, it is the first-time revolution of roof garden in function and property. And the roof garden in the hotel, it base on the purpose of entertainment and profit. With the roof garden in the high construction of company enterprise and home own in the NEW YORK and worldwide, before the Second World War.The modern city roof garden landscape design is arising in the background of industrialization and the expanding of city in the 20th century. And it give prominence to entertainment and associate, it was a kind of resistance to "land tight and expensive in the city" which caused by industrialization. Since 20 century 50 age,the western country experienced "3 P CRISIS":population, pollution, poverty, human being began to examining the environment and the relationship between human and natural influenced by the "function theory", aim to improve the environment of the city and the roof image of the building, the roof garden is one of the main measures。Even more, roof garden can reduce the" Hot island effect", so the roof garden attach importance again.The introduction part proposed the society background and the purpose of the thesis, emphasis on the summary of roof garden design in the history; it is analyses the problems of roof garden at present, and thought a lot of about the roof garden.In the main part of the thesis, the author discussed the rich meanings and the essential purpose of the roof garden landscape from several parts, including landscape architectural design, city design study and the modern ecology. Emphasis the definitions of the modern city landscape design and the characters of the modern city landscape design, such as different characters and different content. While choosing the plant for the roof garden, the author concluded the "4 aptness principles", including:It is Aptness for growth, aptness for Region, aptness for appropriation and aptness for applicability. The conclusion that the harvest of formers and experiences of the author. Whether it was great value, waits for further examination from practices.