城市土地利用系统健康评价——以哈尔滨市为例

Evaluation on urban land use system: taking Ha'erbin City for example

城市土地利用系统的健康是实现城市人地系统有序化和可持续发展的必要条件。以哈尔滨为例,在界定城市土地利用系统健康内涵的基础上,构建基于"压力—状态—响应"模型(PSR模型)的城市土地利用系统健康评价指标体系。运用二次综合函数评价哈尔滨2001-2010年的城市土地利用系统健康水平,引入协调度函数,分析内部子系统的均衡程度。结果表明,2001-2010年哈尔滨城市土地利用系统健康水平不断提高,健康等级由"不健康"向"亚健康"演变;基础设施建设不足、土地集约利用水平低下是导致哈尔滨城市土地利用系统健康水平不高的主要原因;哈尔滨城市土地利用系统健康水平与PSR系统协调度呈正相关,说明PSR各子系统间的协调性很大程度上可反映城市土地利用系统健康的均衡度,模型可信度较高。

Health of urban land use system is necessary conditions for realizing the ordering of man - land system and the sustainable development of cities. This essay selects Harbin City as the study area. On the basis of defining the meaning of health on urban land use system, the evaluation index system is con- structed based on the PSR model. Using secondary integrated e- valuation, this essay makes certain the degree of health on urban land use system in Harbin from 2001 to 2010. The coordinative function is applied to analyze the balance degree of internal sub- system of urban land use system. The results show that the de- gree of urban land use system have been gradually improved from 2001 to 2010, the level of that generally evolved from unhealthy to sub healthy. The level of health on urban land use system in Harbin is low, the main reason lie in the inadequate infrastruc- ture construction and the low level of land intensive use. Health of urban land use system is positive correlate with the harmoni-ous degree of PSR. This shows that the harmonious degree be- tween every subsystem of PSR and other inner factors could re- flect the balance degree of the health of urban land use system. And, it also indicates that the model is reasonable for other rela- tive aspects to use for reference.