2023
DOI: 10.3390/su151813747
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Study on Urban Spatial Expansion and Its Scale Benefit in the Yellow River Basin

Zhongwu Zhang,
Liping Liu,
Jinyuan Zhang

Abstract: Based on nighttime light data from 2000, 2005, 2010, 2015 and 2020, the urban built-up area of 90 prefecture-level cities in the Yellow River Basin was extracted, and the urban spatial expansion characteristics of 90 prefecture-level cities were explored from the two elements of expansion speed and expansion intensity. The entropy method was used to calculate the comprehensive level of economic-, social- and ecological-scale benefits of 90 prefecture-level cities. The gray correlation degree was used to measur… Show more

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Cited by 1 publication
(3 citation statements)
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“…In conclusion, CC-KDZ, CC-APZ and CC-KEZ are gradually spreading from the city center to the periphery of the city, which is in line with the theory of "core-periphery" of urban spatial layout 38 . Carbon emissions per unit county CC-APZ > CC-KDZ > CC-KEZ.…”
Section: Resultssupporting
confidence: 83%
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“…In conclusion, CC-KDZ, CC-APZ and CC-KEZ are gradually spreading from the city center to the periphery of the city, which is in line with the theory of "core-periphery" of urban spatial layout 38 . Carbon emissions per unit county CC-APZ > CC-KDZ > CC-KEZ.…”
Section: Resultssupporting
confidence: 83%
“…The 2020 Carbon Control-Agricultural Products Main Production Zone (CC-APZ) consists of 226 counties, including Jingtai County, Maiyang County, Shangcai County, Dingtao County and Quwo County. Spatially the CC-APZ is opposite to the spatial distribution of the CC-KDZ, with the CC-APZ west of Shanxi almost coinciding with the main stream of the middle and upper reaches of the Yellow River, and distributed on both sides of the In conclusion, CC-KDZ, CC-APZ and CC-KEZ are gradually spreading from the city center to the periphery of the city, which is in line with the theory of "core-periphery" of urban spatial layout 38 . Carbon emissions per unit county CC-APZ > CC-KDZ > CC-KEZ.…”
Section: Carbon Control Zonessupporting
confidence: 79%
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