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Article
Green & Sustainable Science & Technology
Mohd Alsaleh et al.
Summary: The study examines the impact of geothermal energy production on carbon dioxide emissions among EU27 countries from 1990 to 2021. Using the autoregressive-distributed lag (ARDL) model, the findings indicate that an increase in geothermal power output leads to a reduction in carbon dioxide emissions. Socioeconomic factors such as population density, economic growth, and fossil fuel use contribute to increased carbon dioxide emissions. The study suggests that EU13 emerging economies can achieve significant carbon dioxide emission reduction through geothermal energy growth compared to EU14 emerged economies. However, aging population density can also result in a significant reduction in carbon dioxide emissions among EU14 economies. Additionally, the study reveals that EU14 economies can experience a significant increase in carbon dioxide emissions through fossil fuel consumption and economic growth compared to EU13 economies. The three estimators used in the study confirm the validity of the projected calculations. The study recommends that EU27 countries prioritize geothermal growth to meet energy and environmental goals. Policymakers should focus on policies ensuring the security and sustainability of geothermal growth, ultimately reducing the reliance on fossil fuels and CO2 emissions in the future.
Article
Energy & Fuels
Chenyu Wu et al.
Summary: With the emergence of competitive markets, real-time market clearing results are used to determine optimal power dispatch, which strengthens the coupling between market updates and physical response of generators and networks. Stability analysis for such coupled systems is necessary. Based on the primal-dual gradient method, an economic cybernetic model is established to characterize market operation and power system dynamics. The proposed dynamic model constructs a state space where market participants' actions are control signals and system states are treated as state variables. The transaction process aims to maximize social welfare and frequency regulation at the equilibrium point.
Article
Geosciences, Multidisciplinary
Wenjing Lin et al.
Summary: This paper analyzes regional variation patterns of mantle heat flow and crustal thermal states, constructs models of temperature fields, and discusses the heat source mechanism of Enhanced Geothermal Systems (EGS) in different zones. The results show that differences in the crustal thermal structure of different regions control their deep thermal conditions and EGS heat sources.
Article
Green & Sustainable Science & Technology
Haiyang Jiang et al.
Summary: Super-thick shallow granites without a cap layer are widespread in the Wendeng geothermal field. To evaluate its productivity potential for an enhanced geothermal system (EGS), field tests, laboratory tests, and numerical simulations were conducted. Based on real geological and core data, the geothermal characteristics and deep rock mechanical properties were identified. A reservoir hydraulic fracturing model based on a discrete fracture network was then established, and thermal extraction simulations were carried out to assess the long-term productivity. It was found that different well layout patterns and operational parameters had different effects on the production performance of the EGS project.
Article
Environmental Sciences
Xueqing Ma et al.
Summary: In order to support the Paris Agreement's goal of limiting global warming to 1.5 degrees C, China aims to peak its CO2 emissions before 2030 and achieve carbon neutrality before 2060. This study examines the implications of different carbon neutrality scenarios for aligning China's energy system with the 1.5 degrees C target. The results show that accelerating carbon neutrality can help China's energy system align with the target, but it also poses challenges and costs in overcoming development inertia and restructuring the energy system.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Meteorology & Atmospheric Sciences
Ning Zeng et al.
Summary: China has announced its climate goal to peak carbon emissions by 2030 and achieve carbon neutrality by 2060. However, the pathway to decarbonization is unclear and there are significant differences in achieving the carbon-neutral goal, particularly regarding non-fossil fuel energy sources. Near-term policies allowing for gradual transition and drastic changes after 2030 can eventually achieve the carbon-neutral goal.
ADVANCES IN ATMOSPHERIC SCIENCES
(2022)
Article
Geochemistry & Geophysics
Xianchun Tang et al.
Summary: Recent advances in geothermal exploration in the Gonghe Basin have provided insights into the origin and emplacement of hot dry rock (HDR). Through integrating boundary faults distribution, springs and geothermal borehole data, and magnetotelluric data, it is proposed that the basin may have formed in a zone of slip dissipation between two major left-lateral strike-slip faults. The basin has experienced two-phase developments, leading to the formation of high-temperature and shallow-burial HDR in specific geothermal areas.
Article
Environmental Sciences
Hongliang Zhang et al.
Summary: This paper presents a global analysis of the link between annual total energy use and temperature. Results show that rich and poor countries exhibit differential response functions to temperature changes for annual total energy use. Unmitigated climate change is projected to increase global total energy use by 24.0% on average. The impacts of future global warming on total energy use vary spatially, with low-income countries facing significant increases and cooler countries experiencing reductions. Policy-makers need to consider socioeconomic factors and climate uncertainty when projecting future climate change impacts on global energy use.
MITIGATION AND ADAPTATION STRATEGIES FOR GLOBAL CHANGE
(2022)
Article
Green & Sustainable Science & Technology
Mohamd Laimon et al.
Summary: In this study, the impact of renewable energy systems and energy efficiency on the performance of the energy sector is examined using a system dynamics approach. The results show that improvements in energy efficiency and the adoption of renewable energy sources can lead to significant reductions in energy consumption and domestic CO2 emissions.
Article
Education, Scientific Disciplines
Anfeng Zhu et al.
Summary: This study constructs an Economy-Energy-Emissions (3E) System Dynamics Model using Beijing as an example and estimates the effects of different policy scenarios on Beijing's 3E system. The results show that the comprehensive implementation of policies in all three dimensions is effective in achieving high-quality coordinated development.
Article
Green & Sustainable Science & Technology
Yuanyuan He et al.
Summary: This paper provides theoretical and policy support for quota-allocation strategies based on a national unified renewable energy power market. By constructing a regional distribution optimization model and designing dynamic distribution mechanisms, the geographical, resource allocation, and power-grid problems of multi-regional renewable energy power generation are effectively addressed.
Article
Energy & Fuels
Huiming Duan et al.
Summary: This paper studies the relationship among energy consumption, carbon emissions, economic growth, and carbon trading price, and constructs a grey prediction model of energy consumption driven by carbon trading. The model is applied to energy consumption data in China, and experimental results show that it outperforms existing grey models. The predicted increase in coal energy consumption in China in 2025 provides an important reference for energy structure adjustment and environmental policymaking.
Article
Environmental Sciences
Zhu Liu et al.
Summary: China has made significant reductions in CO2 emissions, achieving objectives outlined in Nationally Appropriate Mitigation Actions and Nationally Determined Contributions. However, China still faces challenges in reaching peak CO2 emissions before 2030 and achieving carbon neutrality before 2060. Achieving these goals will require increasing non-fossil energy share, deploying negative-emission technologies, promoting low-carbon development regionally, and establishing a nationwide 'green market'.
NATURE REVIEWS EARTH & ENVIRONMENT
(2022)
Review
Energy & Fuels
Philip J. Ball
Summary: Geothermal technologies offer cost-efficient baseload energy within a wide temperature range, potentially leading to long-term decarbonization. By increasing incentives, policy and regulatory bodies can promote geothermal energy development and reduce carbon emissions.
JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME
(2021)
Article
Geochemistry & Geophysics
Shu Jiang et al.
Summary: The study characterized geothermal resources in different types of sedimentary basins of China and discussed the major factors influencing these resources in various regions. The geothermal resource potentials in China's different sedimentary basins vary due to factors such as topography, geological history, and thermal events.
Article
Green & Sustainable Science & Technology
Hongxia Sun et al.
Article
Thermodynamics
Francesco Dalla Longa et al.
Article
Energy & Fuels
Yuqing Wang et al.
Review
Construction & Building Technology
Ye-Shuang Xu et al.
ENERGY AND BUILDINGS
(2020)
Article
Green & Sustainable Science & Technology
Song Han et al.
Editorial Material
Environmental Sciences
Zhonghe Pang et al.
ENVIRONMENTAL EARTH SCIENCES
(2018)
Article
Environmental Sciences
Chuan Lu et al.
ENVIRONMENTAL EARTH SCIENCES
(2017)
Review
Thermodynamics
Jialing Zhu et al.
Article
Energy & Fuels
Shiwei Yu et al.
Article
Energy & Fuels
Ruggero Bertani
