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the Belt and Road

当前,全球气候变化挑战加剧,绿色发展成为各国关注的议题。中国作为全球生态文明建设的重要参与者、贡献者和引领者,在共建“一带一路”过程中,中国始终注重将绿色发展理念贯穿其中。国内一些研究团队以资源环境保护研究为着眼点,从气候变化、水资源开发利用、生态环境保护及可持续发展等方面开展了相关研究。
为了响应国家“一带一路”倡议,助力“一带一路”沿线经济与生态环境协调发展,《地球科学进展》特推出“一带一路”绿色发展专栏,请大家赏鉴。
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  • Xiaxiang Li, Changxin Liu, Fang Wang, Zhixin Hao
    Advances in Earth Science. 2020, 35(6): 618-631. https://doi.org/10.11867/j.issn.1001-8166.2020.051

    Increasing green investment is one of the important ways to promote sustainable development in the Belt and Road (B&R) region. We predicted the effects of China’s investments on the CO2 emission patterns in B&R areas under the scenarios of No-Investment (NIS), Business-as-usual Investment (BIS) and the Strengthening Investment Scenario (SIS) based on the improved Solow model and a CO2 intensity model. The results reveal that the GDP of B&R region will cumulatively increase by 45.16 and 97.02 trillion USD, and the CO2 will cumulatively decrease by 44.16 and 79.47 Gt by 2100, respectively, under BIS and SIS, compared with NIS. The cumulative decrease of CO2 emissions, 44.16 and 79.47 Gt, will lead to global CO2 concentration decrease by approximately 2.41 mL/m3 and 4.33 mL/m3 in 2100, respectively. Regionally, China’s investments have the most obvious role in promoting the economic development and CO2 emission reductions of Southeast Asia and its surrounding areas. In the short term (2017-2050), China's investment may lead to a small increase in CO2 emissions in Southeast Asia and its surrounding areas, India and the Central and Eastern Europe, but in the long term (2017-2100), China's investment will promote the reduction of CO2 emissions in all regions, especially in Southeast Asia and surrounding areas and the Middle East Central Asia region. This shows that China's investment is conducive to promoting the green development of the B&R regions.

  • Shichang Kang, Wanqin Guo, Tonghua Wu, Xinyue Zhong, Rensheng Chen, Min Xu, Jinlei Chen, Ruimin Yang
    Advances in Earth Science. 2020, 35(1): 1-17. https://doi.org/10.11867/j.issn.1001-8166.2020.002

    “Belt and Road” regions include Asia, Europe and eastern and northern Africa, with a wide spatial distribution. The cryosphere is undergoing rapid changes in the Belt and Road regions with global warming, and has an important impact on water resources, ecosystems and Arctic waterways in these regions. This article reviewed recent cryospheric changes and associated impacts on water resources in the Belt and Road regions during the last decades. The main cognitions are as follows: Most glaciers are shrinking and glacier mass balances are most negative, but there are regional differences in the changes of glaciers. Global temperature rise has resulted in permafrost degradation, including a rise in permafrost temperature and decreasing permafrost thickness as well as an increase in active layer thickness. There is a significant decrease in snow cover extent and an increase in snow depth. Snow cover duration has shortened, the onset of snow cover has delayed, and the end of snow cover has advanced. However, there are still obvious regional differences in the changes of snow cover. Arctic sea ice has declined precipitously in both extent and thickness in summer, and multi-year sea ice has decreased,indicating the precipitous retreat of sea ice. The freeze-up date of some lakes has been delayed, the break-up date has advanced, and the ice cover duration of river/lake ice has significantly shortened. Glacial runoff has increased significantly in China. Snowmelt and permafrost degradation have also increased the basin runoff, which indicates the important impact of cryospheric changes on runoff. This study will provide a baseline and important scientific support for addressing climate change and regional sustainable development.

  • Fahu Chen, Guanghui Dong, Jianhui Chen, Yongqi Gao, Wei Huang, Tao Wang, Shengqian Chen, Juzhi Hou
    Advances in Earth Science. 2019, 34(6): 561-572. https://doi.org/10.11867/j.issn.1001-8166.2019.06.0561

    Arid central Asia is one of the regions most sensitive to global climate change, as well as the region with dramatically hydrological changes and fragile ecosystems. The region includes the main body of the ancient Silk Road, which played a key role in the cultural exchange and the rise and fall of Silk Road civilization. Scientific assessment of the risks faced by the sustainable development of human society in the arid central Asia under the background of global warming is a major scientific issue that has received much attention. The study of the relationship between cultural exchange, development of Silk Road civilization and climate change can provide a scientific basis for understanding the evolution rules of human-land relationship on different timescales in this area. This study summarized the research progress in the history of cultural exchanges, the rise and fall of Silk Road civilization, climate change during the Holocene, forcing mechanisms of climate and hydrological change on different timescales, as well as the process and rule of human-environment interaction. On this basis, we proposed that the study of the temporal and spatial patterns of Holocene climate change and the evolution of Silk Road civilization in arid central Asia, as well as the research on the interaction mechanisms between human and environment, are obviously insufficient. Solving the problems of regional imbalance of climate change and cultural evolution in arid central Asia and strengthening the cross-disciplinary study of geoscience and archaeology are effective ways to promote the study of climate change and changes of Silk Road civilization, which has important scientific and practical significance for understanding the evolution of human-land relations in the region, coping with the challenges of climate change, and serving the “One Belt, One Road” strategy.

  • Wei Deng, Wei Zhao, Bintao Liu, Xi Nan, Bo Kong
    Advances in Earth Science. 2018, 33(7): 687-701. https://doi.org/10.11867/j.issn.1001-8166.2018.07.0687

    South Asia is the subregion of Asia with the most neighbors of China. Although the high mountains in the Great Himalayas spatially separate South Asia from East Asia along the border of China’s autonomous region of Tibet, the geographical items such as mountains and rivers link the countries in South Asia with China, resulting in a special and complex geopolitical environment and relationship. In this geopolitical relationship, the transboundary rivers are becoming a key issue of this region in an era of increasing water stress. Depleted and degraded transboundary water supplies have the potential to cause social unrest and spark conflict within and between countries in South Asia, and complicate the geopolitical relationship among them. In addition, the increasing impacts from climate change and human activities will definitely bring many transboundary eco-environmental issues in this region, projecting a big challenge to regional stability and development. The key issues related to the water resources supplement and exploration require the transboundary rivers to be a positive role in regional water resources utility and exploration, and the result will definitely affect regional relationship and water security. How to handle these issues and challenges will be a question for the countries in this region with a long time. Currently, the “Belt and Road” Initiative represents an opportunity to build a shared vision for common prosperity through regional cooperation and is a way to inject new positive energy into world peace and development. In the light of this, the countries with transboundary rivers in South Asia must come together to construct a cooperative mechanism of water security, and adopt a win-win cooperation for the use of transboundary rivers under the principles of “equal”, “equitable” and “reasonable”.

  • Orginal Article
    Xiaopei Lin, Lixiao Xu, Jianping Li, Dehai Luo, Hailong Liu
    Advances in Earth Science. 2016, 31(10): 995-1000. https://doi.org/10.11867/j.issn.1001-8166.2016.10.0995.

    A global warming “hiatus” has been observed since the beginning of the 21st century despite the increase in heat-trapping greenhouse gases, challenging the current global warming studies. Focusing on the phenomena and mechanisms of the global warming “hiatus”, the National Key Research Program of China launched a project in July, 2016. The main research themes of this project cover: ①Revealing the spatial and temporal variability of the global warming hiatus, and quantifying the contributions of external forcing and internal (natural) variability, respectively; ②Revealing the role of the atmosphere in the global heat and energy redistribution under global warming hiatus; ③Revealing the role of the ocean in the global heat and energy redistribution under global warming hiatus; ④Investigating the predictability of the global warming hiatus. The key scientific issues to be resolved include: ①Identifying characteristics of the global warming hiatus and discerning the roles of decadal, multi-decadal oscillations; ②Revealing the role of ocean-atmosphere dynamical processes in the global redistribution of heat and energy; ③Understanding the predictability of the global warming hiatus. The research aims to predict the future development of the global warming hiatus, and to point out the possible impacts on China and other important areas, including “The Belt and Road” core area and the Polar Regions.