SPATIAL DIFFERENCES OF ACCESSIBILITY IMPACT IN THE LESS DEVELOPED REGIONS: A CASE OF HARBIN-DALIAN AND ZHENGZHOU-XI'AN HIGH SPEED RAILS

doi:10.13959/j.issn.1003-2398.2017.02.013

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HUMAN GEOGRAPHY ›› 2017, Vol. 32 ›› Issue (2) : 88-94. DOI: 10.13959/j.issn.1003-2398.2017.02.013

SPATIAL DIFFERENCES OF ACCESSIBILITY IMPACT IN THE LESS DEVELOPED REGIONS: A CASE OF HARBIN-DALIAN AND ZHENGZHOU-XI'AN HIGH SPEED RAILS

JIANG Bo¹, CHU Nan-chen¹, XIU Chun-liang², ZHAO Ying-hui¹, LUO Chong¹, ZHANG Wen-qi¹, WANG Yu-di¹

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Abstract

Based on the data of average travel time of all the trains in high-speed rail stations, the paper selects Harbin-Dalian high-speed rail and Zhengzhou-Xi'an high-speed rail as the research objects in the northeast and mid-west less developed regions. And the paper selects the weighed average travel time and the economic potential as the main evaluation indicators. Combining with the spatial analysis tools in ArcGIS software, the paper uses the accessibility model to evaluate the spatial differences of urban accessibility improvement degree and the spatial pattern evolution before and after the Harbin-Dalian high-speed rail and Zhengzhou-Xi'an high-speed rail opening. The results show that: After the Harbin-Dalian high-speed rail and Zhengzhou-Xi'an high-speed rail opening, the accessibility of cities along the high-speed rails has improved obviously. Comprehensive accessibility improvement degree of Harbin-Dalian high-speed rail is stronger than the Zhengzhou-Xi'an high-speed rail. And the accessibility of internal variability is relatively smaller in the Harbin-Dalian high-speed rail. The weighed average travel time is mainly affected by the urban spatial distance and frequency of high-speed rail connection. The economic potential is always influenced by the urban economic strength and interaction intensity. As the same time of improving accessibility of cities along the high-speed rail line, high-speed rail also enlarges the accessibility gap of some regions. The marginalization degree of some regions has deepened because of obtaining less beneficial accessibility. The overall unbalanced situation intensifies the Matthew effect.

Key words

high-speed rail / accessibility / spatial differences / less developed regions / IDW

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JIANG Bo, CHU Nan-chen, XIU Chun-liang, ZHAO Ying-hui, LUO Chong, ZHANG Wen-qi, WANG Yu-di. SPATIAL DIFFERENCES OF ACCESSIBILITY IMPACT IN THE LESS DEVELOPED REGIONS: A CASE OF HARBIN-DALIAN AND ZHENGZHOU-XI'AN HIGH SPEED RAILS[J]. HUMAN GEOGRAPHY. 2017, 32(2): 88-94 https://doi.org/10.13959/j.issn.1003-2398.2017.02.013

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