地理科学进展 ›› 2009, Vol. 28 ›› Issue (5): 697-704.doi: 10.11820/dlkxjz.2009.05.007

• 产业发展与区域经济 • 上一篇    下一篇

基于引力模型的江苏区域经济联系强度与方向

孟德友1|陆玉麒2   

  1. 1. 商丘师范学院环境与规划系| 商丘 476000; 2. 南京师范大学地理科学学院| 南京 210046
  • 出版日期:2009-09-25 发布日期:2009-09-25
  • 通讯作者: 孟德友(1982- ),男,河南周口人,硕士,助教,主要从事城市与区域规划、空间结构与区域发展方面的研究. E-mail:mengdeyou01@163.com
  • 基金资助:

    国家自然科学基金项目(70573053,40771075),商丘师范学院人文地理学重点学科资助项目

Strength and Direction of Regional Economic Linkage in Jiangsu Province Based on Gravity Model

MENG Deyou1|LU Yuqi2   

  1. 1. Department of Environment and Urban Planning, Shangqiu Normal University, Shangqiu 476000|China; |
    2. College of Geographic Science, Nanjing Normal University, Nanjing 210046|China
  • Online:2009-09-25 Published:2009-09-25

摘要:

区域经济联系一直是经济地理学和区域研究的重要内容。以江苏为研究对象,借助描述区域间相互作用强度的引力模型结合GIS技术的网络分析功能获得65个县市间的时间距离矩阵的基础上,测算了江苏省各地区相互联系的强度,对苏南、苏中和苏北三大地区内以及三大地区间的经济联系强度的地域分异特征进行分析,并尝试采用地区间经济联系强度来确定各地区的主要经济联系方向。研究表明:各地区对外经济联系总量差距较大并具有明显的等级特征;区域经济联系强度的区域分异较为突出,苏南和苏中的区内和区间经济联系较强,区域经济联系符合距离衰减规律;各地区内和地区间沿主要交通干道形成主要的经济联系方向。通过区域间经济联系强度的测算与比较,识别了全省主要的经济联系方向不仅有利于明确各地区经济发展的空间导向,而且有利于协调地区内和地区间的经济联系与合作。

关键词: 区域经济联系;引力模型;江苏

Abstract:

Research on regional economic linkage is one of the most important aspects in economic geography and regional research. This paper, taking Jiangsu as an example, calculates the strength of regional linkage  based on the gravity model in combination with network analysis of GIS which is used to acquire the matrix of the shortest travel time between every two cities in Jiangsu Province. The strength of regional economic linkage and disparity charcateristics are analyzed within the southern, central and northern zones and between every two zones in Jiangsu. And the primary directions of regional economic linkage are identified by the strength of regional economic linkage. The results show that: (1) the disparity of the quantity of every zone’s economic linkage is large and the hierarchical feature is very remarkable; and(2) the regional differentiation characteristics of the strength of regional economic linkage are significant, the strength of regional economic linkage within the southern and central zones and between them in Jiangsu Province is stronger; the directions of the regional economic linkage extend along the main roads and the strength weakens with the increase of distance.  Through  the  measurement  and  comparision of regional economic linkage, the main  directions  of  economic linkage are identified clearly, which is not only in favor of finding the direction for regional economic development, but also in favor of coordinating the contact and  cooperation within zones or inter-zones.

Key words: gravity model, Jiangsu Province, regional economic linkage