基于可拓工程方法的生态地理区域系统界线划分研究——以中温带半湿润、半干旱区为例

doi:10.11821/xb200101004

地理学报 ›› 2001, Vol. 56 ›› Issue (1): 24-31.doi: 10.11821/xb200101004

基于可拓工程方法的生态地理区域系统界线划分研究——以中温带半湿润、半干旱区为例

张军涛^1,2, 李哲¹, 郑度¹

1. 中国科学院地理科学与资源研究所,北京100101;
2. 东北财经大学公共管理系,大连116025

收稿日期:2000-07-03 修回日期:2000-10-04 出版日期:2001-01-15 发布日期:2001-01-15
基金资助:
国家自然科学基金重点项目(49731020)

Demarcation of the Eco-geographical System Based upon the Extension Engineering Method——Taking Semi arid and Sub humid Areas in Mid temperate as an Example

ZHANG Jun tao^1,2, LI Zhe¹, ZHENG Du ¹

1. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
2. Department of Public Adminstration, Northeast Finance and Economics University, Dalian 116025, China

Received:2000-07-03 Revised:2000-10-04 Online:2001-01-15 Published:2001-01-15
Supported by:
The Key Project of National Natural Science Foundation of China,No.49731020

摘要/Abstract

摘要： 利用可拓工程方法中的物元模型对生态地理区域系统的界线划分问题进行了研究 ,通过选取样本和指标对单指标关联函数和多指标综合关联函数进行了定量计算。在此基础上 ,通过专家集成确定了中国中温带半湿润、半干旱区之间的界线 ,弥补了单指标和定性划分的不足 ,有助于中国生态地理区域系统的构建。

关键词: 可拓工程方法, 生态地理区域系统, 界线划分, 中温带, 半湿润-半干旱区

Abstract: The extension engineering method introduces a matter element model, which consists of the matter, character and quantity. Formed as a three matter set, it can be expressed as R =(matter, character, quantity)=( N, c, c (N)) . Since the extension engineering method aims to turn the qualitative analysis concerning yes or no into the quantitative one, a new approach to the distinction and judgement has been developed. This paper presents a preliminary study on the demarcation of the eco geographical regional system based upon the matter element model. Through physio geographical analysis, documents and field investigations, combining the integrated analysis, dominant factors and expert integration, 40 typical sites were selected in the study area. Meanwhile, 4 indicators, i.e. the aridity index, growing season aridity index, profit and loss of soil moisture in growing season and the annual precipitation were also selected to reflect the moisture regime. In view of the identical variation of crop water demands and the profits and losses of soil moisture, in calculation, the profit and loss of soil moisture for maize was chosen as a representative indicator. By determining the classical scope, extensional scope, and the matter elements to be identified, a single index associated function and the multiple index comprehensive associated function were calculated. Based upon this as well as vegetation and soil types, the boundary between semi arid and sub humid areas of mid temperate zone in China was demarcated. In this study, not only the qualitative boundary between the above said, but also the boundary between the arid region in sub humid area and the humid region in semi arid area were proposed, which can reflect the transition of geographic boundary more objectively than before. The extension engineering method has an advantage of either rationally explaining the physio geographic demarcation or avoiding the drawbacks of single index and qualitative analysis of the former regionalization. It therefore, puts forward a new method for the establishment of the eco geographical regional system of China.

Key words: extension engineering method, eco geographical regional system, demarcation, mid temperate zone, semi arid and sub humid area

中图分类号:

P902

张军涛, 李哲, 郑度. 基于可拓工程方法的生态地理区域系统界线划分研究——以中温带半湿润、半干旱区为例[J]. 地理学报, 2001, 56(1): 24-31.

ZHANG Jun tao, LI Zhe, ZHENG Du . Demarcation of the Eco-geographical System Based upon the Extension Engineering Method——Taking Semi arid and Sub humid Areas in Mid temperate as an Example[J]. Acta Geographica Sinica, 2001, 56(1): 24-31.

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基于可拓工程方法的生态地理区域系统界线划分研究——以中温带半湿润、半干旱区为例

Demarcation of the Eco-geographical System Based upon the Extension Engineering Method——Taking Semi arid and Sub humid Areas in Mid temperate as an Example

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