TY - JOUR
T1 - Delineating urban functional zones using mobile phone data: A case study of cross-boundary integration in Shenzhen-Dongguan-Huizhou area
AU - Zhang, Bowen
AU - Zhong, Chen
AU - Gao, Qili
AU - Shabrina, Zahratu
AU - Tu, Wei
N1 - Funding Information:
This research was supported by the Postdoctoral Science Foundation of China (Grant No. 2021M692163 ), Natural Science Foundation of China (Grant No. 42071360 ), the Tencent-Rhino bird Fund ( JR-WXG-2021131 ), the China Scholarship Council (CSC) from the Ministry of Education of P.R. China ( CSC201908060169 ), the European Research Council (ERC) under the European Union's Horizon 2020 Research and Innovation Programme (Grant agreement No. 949670 ), and from ESRC under JPI Urban Europe/NSFC (Grant No. ES/T000287/1 ).
Publisher Copyright:
© 2022 The Authors
PY - 2022/12/1
Y1 - 2022/12/1
N2 - As cities continuously expand and with the emergence of mega-city regions, the urban functional zones (UFZs) have spread beyond their original administrative boundaries. An accurate and updated delineation of the UFZs is crucial for assessing the functional integration between cities within a mega-city region. Mobility data provides a chance to depict the UFZs from actual human activities at a finer spatial scale. Existing studies mostly adopted network-based approaches relying on the topological relationship but ignoring spatial factors, causing the lack of sensitivity in detecting the cross-cities integration of the functional region. This research proposed a novel regionalisation algorithm that redraws non-overlap boundaries of urban functional zones based on the commuting origin-destination matrix, representing the spatial interactions within cities and cross-cities. In particular, functional zones are drawn by searching for the best partition with the best goodness of fitting in the hierarchical spatial interaction model. The algorithm was applied to a case study of a mega-city region, Shenzhen-Dongguan-Huizhou (SDH) area in China using mobile phone signalling data. By adopting two different settings, this model evaluated the current status and predict the future trend of urban integration respectively. The results show the current boundary of UFZs in the SDH area almost coincides with administrative boundaries. Meanwhile, the results of long-term predictions might be utilised by policymakers to give more attention to the areas near the Dongguan-Huizhou boundary to promote industry cooperation and avoid mismatches between the functional and administrative regions.
AB - As cities continuously expand and with the emergence of mega-city regions, the urban functional zones (UFZs) have spread beyond their original administrative boundaries. An accurate and updated delineation of the UFZs is crucial for assessing the functional integration between cities within a mega-city region. Mobility data provides a chance to depict the UFZs from actual human activities at a finer spatial scale. Existing studies mostly adopted network-based approaches relying on the topological relationship but ignoring spatial factors, causing the lack of sensitivity in detecting the cross-cities integration of the functional region. This research proposed a novel regionalisation algorithm that redraws non-overlap boundaries of urban functional zones based on the commuting origin-destination matrix, representing the spatial interactions within cities and cross-cities. In particular, functional zones are drawn by searching for the best partition with the best goodness of fitting in the hierarchical spatial interaction model. The algorithm was applied to a case study of a mega-city region, Shenzhen-Dongguan-Huizhou (SDH) area in China using mobile phone signalling data. By adopting two different settings, this model evaluated the current status and predict the future trend of urban integration respectively. The results show the current boundary of UFZs in the SDH area almost coincides with administrative boundaries. Meanwhile, the results of long-term predictions might be utilised by policymakers to give more attention to the areas near the Dongguan-Huizhou boundary to promote industry cooperation and avoid mismatches between the functional and administrative regions.
UR - http://www.scopus.com/inward/record.url?scp=85137790133&partnerID=8YFLogxK
U2 - 10.1016/j.compenvurbsys.2022.101872
DO - 10.1016/j.compenvurbsys.2022.101872
M3 - Article
SN - 0198-9715
VL - 98
SP - 101872
JO - Computers, Environment and Urban Systems
JF - Computers, Environment and Urban Systems
M1 - 101872
ER -
