长江流域资源与环境 >> 2008, Vol. 17 >> Issue (4): 529-529.

• 区域可持续发展 • 上一篇    下一篇

土地资源、环境与经济发展的协调性评价

张 燕| 张 洪| 彭补拙   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-07-20

EVALUATING COORDINATION AMONG LAND USE, NATURAL ENVIRONMENT AND ECONOMIC DEVELOPMENT

ZHANG Yan, ZHANG Hong, PENG Buzhuo   

  • Received:1900-01-01 Revised:1900-01-01 Online:2008-07-20

摘要:

评价系统发展协调性的“协调判别法”是这样一种方法:先为系统的各子系统选择一些有代表性又可用一定指标度量的要素,按一定标准将要素分作满意与不满意两类,统计加总各类要素的数量,以之作为度量用的综合指标,并经归一化处理得各子系统的“状态数”;再将这些子系统与一定的“状态空间”对应,在此空间中利用“状态数”确定子系统所属系统的“状态点”及“完全协调线”;然后分别计算状态点与协调线的距离(偏离度)、状态点与原点的距离(优化度),借助它们便可评价各子系统发展的同步性及相应系统的协调性。以此方法对通州市由土地利用、自然环境和社会经济3个子系统组成的系统进行的协调性评价表明,“协调判别法”具有含义明确、简单、较客观、易操作、可比性强的特点,适用于评价复杂系统的协调发展问题。

关键词: 协调判别法, 状态数, 偏离度, 优化度, 协调性, 通州市

Abstract:

In order to evaluate the coordination level of a system,the method of coordination assessing is designed.Its key procedures are as the followings.Firstly,the system is divided into several subsystems and a number of representative factors that can be easily measured by specific indexes for every chosen subsystem.Secondly,based on the certain criterion the factors are divided into two classifications:satisfactory and dissatisfactory.Counting and summing up the factor numbers of each classification in a subsystem,they are used for calculating the state degree of the subsystem by the normalized process.Thirdly,the location of the state point of the system,depended on the state degrees of the subsystems,is determined in the certain space,in which numbers of dimension are decided by the number of subsystems.In the space there is a line named completely coordinated growth;the state points fallen in the line indicates that the state degrees of various subsystems are equal and develop in the same proportion.Fourthly,the tow distances,one is the distance between the state point and the line of completely coordinated growth (named deviation degree) and the other is the distance between state point and the origin (named advancement degree),can be calculated.Finally,based on the two distances the development synchronism among subsystems and the coordination of the system composed of the subsystems can be evaluated.The method presented by the paper is used to evaluate the coordination among land use subsystem,natural environment subsystem and social and economic subsystem in Tongzhou town.The evaluation results indicate that the method is suited for assessing the coordination of complex system because its meaning is clear and definite,its calculation is standard and simple and its results are objective and constant.

Key words: method of coordination assessing, state degree, deviation degree, advancement degree, coordination, Tongzhou Town

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