School of Humanities and Economic Management, China University of Geosciences, Beijing 100083, China; Key Laboratory of Carrying Capacity Assessment for Resource and Environment, Ministry of Land and Resource, Beijing 100083, China.
School of Humanities and Economic Management, China University of Geosciences, Beijing 100083, China; Key Laboratory of Carrying Capacity Assessment for Resource and Environment, Ministry of Land and Resource, Beijing 100083, China.
Sci Total Environ. 2017 Apr 15;584-585:990-1003. doi: 10.1016/j.scitotenv.2017.01.152. Epub 2017 Feb 4.
Commodity trade between regions implies a large amount of energy transfer. As an important economic growth pole of China, the Jing-Jin-Ji area (Beijing-Tianjin-Hebei) is also one of the areas with the largest energy consumption in China. Moreover, the primary energy consumer goods in this area are fossil fuels, such as coal. This has led to serious air pollution in the area. Therefore, the reduction of energy consumption under the premise of maintaining sustained economic growth is an important task of the Jing-Jin-Ji area. In this study, an interprovincial input-output model was applied to quantitatively estimate the embodied energy transfer between Jing-Jin-Ji area and other provinces in China. The results indicated that the Metal and nonmetal mineral processing industry and the Electrical, gas and water industry in the Jing-Jin-Ji area exported a large amount of embodied energy to the Yangtze River Delta and the Pearl River Delta. However, the embodied energy export of the Jing-Jin-Ji area mainly exported by Hebei province. Beijing and Tianjin even have some net import of embodied energy. The embodied energy transfer between Tianjin, Hebei and other provinces was mainly driven by investment, while the main media of embodied energy transfer between Beijing and other provinces was consumption. Therefore, we suggest that the Jing-Jin-Ji area should further increase the degree of dependence on other provinces' energy-intensive products and reduce the export of energy-intensive products. In addition, there should be difference in the energy and industrial policies among Beijing, Tianjin and Hebei, and the problems of high energy consumption and high proportion of heavy industry in Hebei should be first resolved.
区域间的商品贸易意味着大量的能源转移。作为中国重要的经济增长极，京津冀地区（北京-天津-河北）也是中国能源消耗最大的地区之一。此外，该地区的主要能源消费商品是煤炭等化石燃料，这导致该地区严重的空气污染。因此，在保持经济持续增长的前提下减少能源消耗是京津冀地区的重要任务。本研究应用了省际投入产出模型，定量估计了京津冀地区与中国其他省份之间的隐含能源转移。结果表明，京津冀地区的金属和非金属矿采选业以及电力、燃气和水的生产供应业向长三角和珠三角地区输出了大量的隐含能源。然而，京津冀地区的隐含能源出口主要由河北省输出。北京和天津甚至有一些隐含能源净进口。天津、河北与其他省份之间的隐含能源转移主要由投资驱动，而北京与其他省份之间隐含能源转移的主要媒介是消费。因此，我们建议京津冀地区应进一步提高对其他省份能源密集型产品的依赖程度，减少能源密集型产品的出口。此外，北京、天津和河北应在能源和产业政策方面存在差异，应首先解决河北省高能耗和重工业比例过高的问题。
