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Decarbonizing China’s Urban Agglomerations

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WANG Shaojian FANG Chuanglin SUN Laixiang SU Yongxian CHEN Xiuzhi ZHOU Chunshan FENG Kuishuang HUBACEK Klaus

Druh Článek v odborném periodiku
Časopis / Zdroj Annals of the American Association of Geographers
Fakulta / Pracoviště MU

Fakulta sociálních studií

Citace
WWW https://www.tandfonline.com/doi/full/10.1080/24694452.2018.1484683
Doi http://dx.doi.org/10.1080/24694452.2018.1484683
Klíčová slova urban aglomerations; night light resolution; CO2 emissions intensity; spatiotemporal modelling
Popis China’s urban agglomerations contribute 64 percent to China’s energy-related CO2 emissions and thus play a vital role in determining the future of climate change. There is little information available about city-level energy consumption and CO2 emissions; thus, we employ spatiotemporal modeling using Defense Meteorological Satellite Program/Operational Line-scan System (DMSP/OLS) nighttime light imagery. Our findings show that such agglomerations have in fact experienced a remarkable decline in CO2 emission intensity—from 0.43 t/thousand yuan to 0.20 t/thousand yuan between 1995 and 2013, which constitutes an average annual decline of 4.34 percent. Despite still very high CO2 intensities in western China, a convergence of CO2 intensities across the country has occurred over the last few decades. Using panel regression modeling, we analyze differences in the decline of CO2 emission intensities due to regional differences in socioeconomic variables such as economic growth, population, economic structure, population density, and characteristics of urbanization. Factors that have hampered the decline of CO2 intensities are the ongoing industrialization that demands the increase in the production of heavy industry, in infrastructure investment, and in housing stock. Key Words: CO2 emission intensity, nighttime light imagery, spatiotemporal modeling, urban agglomerations.
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