Exploring potential pathways towards fossil energy-related GHG emission peak prior to 2030 for China: An integrated input-output simulation model

Exploring potential pathways towards fossil energy-related GHG emission peak prior to 2030 for China: An integrated input-output simulation model
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探索中国在2030年之前实现化石能源相关温室气体排放峰值的潜在路径:综合投入产出模拟模型

DOI:
10.1016/j.jclepro.2018.01.062
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发表时间:
2018-03
影响因子:
11.1
通讯作者:
Fang Kai
Fang Kai
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Song Junnian;Yang Wei;Wang Shuo;Wang Xian'en;Higano Yoshiro;Fang Kai

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本研究开发了一个动态综合投入产出模拟模型,以探索中国在2030年之前达到温室气体排放峰值的潜在途径。部门(家庭)的动态能源消耗强度和温室气体排放强度(GHGEI)以及各种经济增长水平被设定在4个情景(每个情景包含4个子情景)中。阐述了包括促进部门和限制部门在内的10个目标部门的增加值变化(反映为产业结构调整)和温室气体排放指数变化(反映为技术进步和强化政策)对峰值的影响。在一切照旧的情况下,如果不采取进一步强化的减排政策,2040年之前可能不会出现排放峰值。在情景1和情景2中,当经济增长保持在较高水平时,仅依赖部门增加值或温室气体排放指数的变化可以遏制温室气体排放,但不会有助于在2030年前达到峰值。根据情景3中不同的经济增长水平,峰值时间可提前到2026年(10.85 × 109t二氧化碳-e)、2025年(10.77 × 109t二氧化碳-e)、2024年(10.69 × 109t二氧化碳-e)和2023年(10.65 × 109t二氧化碳-e),其中涉及产业结构调整和强化能源和温室气体减排政策。研究结果可望为今后从国家和部门角度进行能源利用和温室气体减排规划提供参考。
This study develops a dynamic integrated input-output simulation model to explore potential pathways towards GHG emission peak prior to 2030 for China. Dynamic energy consumption intensities and GHG emission intensities (GHGEIs) of sectors (household), as well as various levels of economic growth are set in 4 scenarios (each containing 4 sub-scenarios). The impacts of changes in the added value (reflected as industrial restructuring) and changes in GHGEIs (reflected as technological advancement and intensified policies) of 10 target sectors including both promoted and constrained ones on the peak are elaborated. In the Business-as-Usual scenario, no emission peak could appear before 2040 along the historical trends without taking further intensified emission reduction policies. In Scenario 1 and 2, when economic growth is maintained at higher levels, sole dependence on changes in either added value or GHGEIs of sectors could curb GHG emissions, however without contributing to a peak timing before 2030. The peak timing could be advanced to 2026 (10.85 × 109t CO2-e), 2025 (10.77 × 109t CO2-e), 2024 (10.69 × 109t CO2-e) and 2023 (10.65 × 109t CO2-e) corresponding to different levels of economic growth in Scenario 3, where industrial restructuring and intensified energy and GHG emission reduction policies are involved. The results are expected to provide references to future planning of energy utilization and GHG emission reduction from the perspective of both the country and sectors.
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