Journal
JOURNAL OF CLEANER PRODUCTION
Volume 279, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.123514
Keywords
Mineral resources; Exergy; MRIO analysis; Structural path analysis; Chinese regions
Categories
Funding
- National Natural Science Foundation of China [71774161]
- Yue Qi Young Scholar Project, China University of Mining AMP
- Technology (Beijing), Social Science Foundation of Beijing [19GLC044]
- Talent Cultivation Funded Project of Beijing
- fund for building world-class universities (disciplines) of Renmin University of China [KYGJC2020006]
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This study examines the interregional supply chains of Chinese mineral resource requirements in 2012, finding that investment is the most crucial demand category for most provinces and the Construction sector is the biggest user of embodied mineral resources in all regions. It also reveals that Shanxi, Inner Mongolia, and Shaanxi are the main suppliers of mineral resources for other regions.
Reliable mineral resource supply is necessary for socio-economic development. As the world's leading consumer of mineral resources, China's economic development largely relies on the exploration, exploitation and utilization of mineral resources. This paper explores the interregional supply chains of Chinese mineral resource requirements in 2012 via the multi-regional input-output and structural path analyses. Exergy as a common metric is used for the integrated assessment of mineral resource inputs. Results show that investment is the most crucial final demand category for most provinces' embodied mineral uses. The Construction sector is the biggest user of embodied mineral resources in all 31 provincial regions. Shanxi, Inner Mongolia and Shaanxi providing most mineral resources for other regions have high proportions of interregional mineral resource exports. Developed regions as net importers of embodied resources always have large resource requirements, and Jiangsu, Zhejiang, Guangdong, Shandong and Shanghai are important mineral resource consumers. We further identify critical supply chain paths based on the overall mineral resource linkages through interregional trade. Coal mining -> Investmentis a typical path for the investment-induced intra-provincial transfer, while Coal mining--> Nonmetalproducts -> Construction -> Investment is an important path for investment-induced interregional transfer. Coal mining -> Electricity power, stream, and hot water production and supply -> Consumption is an important path for consumption in intra-provincial and interregional transfers. The regional integrated mineral resource footprint and its critical paths will help policymakers to understand real mineral resource consumption patterns and related supply chain nexus, and to develop targeted resource policies from the consumption-based perspective. (c) 2020 Elsevier Ltd. All rights reserved.
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