STUDY ON URBAN GREENLAND SPACE-TIME EVOLUTION AND ITS DISTRIBUTIONAL PATTERN
QIAN Qing-lan, CHEN Ying-biao
1. Institute of Geographic Sciences and Natural Resource Research, C.A.S, Beijing 100101, China;
2. Department of Geography, Guangzhou University, Guangzhou 510405, China
Abstract：From the view point of grand region, combining with scientific research practice and taking Jilin City as an ex ample, the urban Greenland Space-time evolution, Greenland spatial distributional pattern and urban Greenland distributional policy are discussed. According to this we can provide scientific basis for urban ecological construction. This paper is divided into three parts:The first part mainly discussed the relationship between urban Greenland evolution and urban development. It points out that the facilities of Greenland increases while the natural degree reduces with the urban development unusually accompanying the urban population increasing. Greenland preconservation, according to specific law, is very important for us in order to improve the urban ecological quality and to prevent the Greenland from ruin. The second part, taken Jilin City as example, it sums up Greenland space distributional pattern based on the behavioral theory. Leisure behavioral theory shows that the leisure deeds of citizens have certain time and space laws to abice by. Leisure behavior has circularity distribution in the city region with the increasing of leisure time. Resident tourism has both common psychological character and personal mind character. It needs the construction of Greenland planning and leisure landscape to adjust to the mode of resident leisure activities, and to obey the time and space rule of leisure activity. On the basis of the above, the paper raises Greenland space distributional pattern of wave shape together with the radiation shape. This pattern emphasizes on the combination of circle Greenland with the wedge Greenland and the combination of different rank with the recreation system. Then it further put forward the principle of Greenland construction as that urban center scatter-pointed shape afforestation belt, urban suburb concentrate-lumped park afforestation belt and urban outside continuous production afforestation belt. In the third part, Urban land can be divided into different parts such as highly used district, remading developing district, new district and suburb area. As Greenland planning is concerned, every district has its own characteristic. In view of regional difference of urban land use in present situation, this paper separately puts forward individual policies for Greenland distribution.
