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学者姓名:陈橙
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The waterway transportation industry, recognized for its high capacity, cost-effectiveness, and energy efficiency, plays a vital role in global freight transport and trade. In China, it serves as a key pillar supporting the national economy and foreign trade. However, its heavy dependence on fossil fuels has intensified carbon emission challenges, creating significant barriers to achieving sustainable development goals. This study employs Input-Output Analysis and the Logarithmic Mean Divisia Index model to examine the changes in carbon emissions and their driving factors in China's waterway transportation industry from 2002 to 2020, while also exploring potential pathways for emission reduction. The findings reveal the following: (1) From 2002 to 2020, despite a substantial rise in total carbon emissions, the industry has been progressively transitioning towards a low-carbon trajectory through the adoption of clean energy technologies and optimization of its energy structure. (2) Economic scale effects have been the primary drivers of carbon emission growth, with population-scale effects playing a lesser role. Since 2011, the implementation of green technologies and low-carbon management strategies has effectively stabilized emission growth rates. (3) Improvements in energy carbon intensity and transportation energy intensity have significantly reduced carbon emissions. Moreover, the promotion of clean energy technologies and energy-saving measures has substantially lowered the industry's carbon emission intensity.
Keyword :
carbon emissions carbon emissions green development green development input-output analysis input-output analysis logarithmic mean Divisia index decomposition logarithmic mean Divisia index decomposition waterway transportation waterway transportation
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GB/T 7714 | Zheng, Shanshan , Chen, Cheng , Xie, Sikai . An LMDI-Based Analysis of Carbon Emission Changes in China's Waterway Transportation Sector [J]. | SUSTAINABILITY , 2025 , 17 (1) . |
MLA | Zheng, Shanshan 等. "An LMDI-Based Analysis of Carbon Emission Changes in China's Waterway Transportation Sector" . | SUSTAINABILITY 17 . 1 (2025) . |
APA | Zheng, Shanshan , Chen, Cheng , Xie, Sikai . An LMDI-Based Analysis of Carbon Emission Changes in China's Waterway Transportation Sector . | SUSTAINABILITY , 2025 , 17 (1) . |
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The coastal developments in the Middle East put low priority on tsunami risk assessment due to the rare occurrence and absence of genuine tsunami track records on the coastline in the past. Tsunami-vulnerable coasts, including the east coast of the UAE, need to prepare for, and pay attention to, the impact of future tsunamis due to increased earthquake activity in the region. This study investigated the tsunami characteristics of the nearshore from hypothetical tsunami conditions by applications of numerical modeling and Artificial Neural Network (ANN) methods. The modeling results showed that the maximum tsunami depth at the shore was highest in Khor Fakkan and Mirbih for the given tsunami boundary conditions, while the tsunami withdrawal was greater on the southern bathymetry compared to that on the northern bathymetry when the tsunami period increased. ANN results confirmed that the still sea depth and seabed slope were more important than the tsunami period when predicting the maximum tsunami depth at the shore. © 2025 by the authors.
Keyword :
Arabian Sea Arabian Sea machine learning machine learning numerical modeling numerical modeling sustainable development sustainable development tsunami tsunami UAE UAE
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GB/T 7714 | Nandasena, N.A.K. , Hefny, A. , Chen, C. et al. Tsunami Flow Characteristics on the East Coast of the UAE by One-Dimensional Numerical Analysis and Artificial Neural Networking [J]. | Sustainability (Switzerland) , 2025 , 17 (15) . |
MLA | Nandasena, N.A.K. et al. "Tsunami Flow Characteristics on the East Coast of the UAE by One-Dimensional Numerical Analysis and Artificial Neural Networking" . | Sustainability (Switzerland) 17 . 15 (2025) . |
APA | Nandasena, N.A.K. , Hefny, A. , Chen, C. , Alshehhi, M. , Alahbabi, N. , Alketbi, F. et al. Tsunami Flow Characteristics on the East Coast of the UAE by One-Dimensional Numerical Analysis and Artificial Neural Networking . | Sustainability (Switzerland) , 2025 , 17 (15) . |
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Maritime carbon responsibility allocation can guide sea level rise and storm surge mitigation in BRICS coastal zones by addressing emissions-driven climate risks. This study analyzes the characteristics of and differences in embodied carbon emissions in the Maritime Transport Industry of the BRICS countries from the perspectives of producer responsibility, consumer responsibility, and shared responsibility, based on a global value chain framework. Using non-competitive input-output data from the OECD and introducing a processing trade adjustment mechanism, the study calculates the carbon emissions of the five countries from 1995 to 2018. The empirical results show that under producer responsibility, carbon emissions in China and South Africa's maritime transport sectors are mainly driven by exports, with production-side emissions significantly higher than consumption-side emissions. Under consumer responsibility, emissions in India and Brazil are driven by the demand for imported goods, reflecting their high reliance on external markets. In shared responsibility accounting, China's cumulative carbon emissions account for 66.81% of the total emissions from the five countries, highlighting its central role in global supply chains. The study also finds that the differences in carbon emissions among the countries are mainly due to differences in economic structures, trade dependencies, and consumption patterns. Different responsibility accounting methods have a significant impact on carbon emissions, with export-oriented countries tending to weaken producer responsibility, while import-oriented countries seek to avoid consumer responsibility. The shared responsibility mechanism, through the dynamic allocation coefficient alpha, provides a practical approach to balancing efficiency and equity in global carbon governance.
Keyword :
BRICS countries BRICS countries consumer responsibility consumer responsibility embodied carbon emissions embodied carbon emissions input-output method input-output method maritime transport maritime transport producer responsibility producer responsibility
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GB/T 7714 | Zheng, Shanshan , Nandasena, N. A. K. , Chen, Cheng et al. Sustainable Risk Governance in Maritime Transport: Embodied Carbon Emissions and Responsibility Distribution Across BRICS Coastal Economies [J]. | SUSTAINABILITY , 2025 , 17 (8) . |
MLA | Zheng, Shanshan et al. "Sustainable Risk Governance in Maritime Transport: Embodied Carbon Emissions and Responsibility Distribution Across BRICS Coastal Economies" . | SUSTAINABILITY 17 . 8 (2025) . |
APA | Zheng, Shanshan , Nandasena, N. A. K. , Chen, Cheng , Wu, Fansi . Sustainable Risk Governance in Maritime Transport: Embodied Carbon Emissions and Responsibility Distribution Across BRICS Coastal Economies . | SUSTAINABILITY , 2025 , 17 (8) . |
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The hydrodynamic processes in estuarine regions play a crucial role in the morphological and ecological stability of coastal zones. As a key hydrodynamic characteristic of bifurcated rivers, the water diversion ratio (WDR) influences flow distribution, sediment transport, and shoreline changes in estuaries. This study focuses on the lower Minjiang River and employs a MIKE 21-based two-dimensional hydrodynamic model to quantify the WDR variations between the South and North Ports on the scale of a tidal cycle during the wet season and to reveal the regulatory effects of diversion dyke length and angle. The results indicate that the WDR of the North Port exhibits significant variation with tidal stages. The WDR of the North Port increases with the length of the diversion dyke. The current 110 m-long dyke has little effect on regulating water flow between the North and South Ports, and its WDR remains unaffected by changes in angle. In contrast, a 450 m-long dyke is highly sensitive to angle variations. This study not only provides scientific support for channel regulation in the lower Minjiang River but also offers indirect insights into shoreline stability and ecological management under the combined influence of human activities and natural processes in estuarine environments.
Keyword :
anthropogenic impacts anthropogenic impacts diversion dyke diversion dyke mathematical model mathematical model Minjiang River Minjiang River water diversion ratio water diversion ratio
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GB/T 7714 | Chen, Cheng , Yang, Weijia , Wang, Zhihui et al. Study on Characteristics of the Water Diversion Ratio and Impact of the Diversion Dyke at South and North Ports of the Minjiang River During Wet Season [J]. | WATER , 2025 , 17 (8) . |
MLA | Chen, Cheng et al. "Study on Characteristics of the Water Diversion Ratio and Impact of the Diversion Dyke at South and North Ports of the Minjiang River During Wet Season" . | WATER 17 . 8 (2025) . |
APA | Chen, Cheng , Yang, Weijia , Wang, Zhihui , Huangfu, Kailong , Cai, Feng , Chen, Haoyan et al. Study on Characteristics of the Water Diversion Ratio and Impact of the Diversion Dyke at South and North Ports of the Minjiang River During Wet Season . | WATER , 2025 , 17 (8) . |
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From an ecological protection perspective, clarifying the spatial and temporal transfer characteristics of embodied carbon in water transport trade among BRICS countries and its driving mechanisms is of great significance for the precise formulation of emission reduction policies. This study integrates the multi-regional input-output model with the LMDI decomposition method to quantitatively analyze the bi-directional flow of embodied carbon in water transport trade among BRICS countries from 1995 to 2018, along with its spatio-temporal differentiation patterns. The driving mechanisms are decomposed across three dimensions: scale, structure, and intensity. By adopting a dual perspective of time-series and spatial correlation, the study systematically uncovers the cross-regional transfer patterns of embodied carbon emissions in water transport trade and examines the interaction pathways of various effects throughout their dynamic evolution. The study finds that (1) the embodied carbon in water transport trade among BRICS countries shows a trend of transnational transfer, with China being the largest net exporter (35.15 Mt in 2018), India and South Africa as net importers (-32.00 Mt and -1.89 Mt in 2018, respectively), and Brazil and Russia shifting from net importers to net exporters; (2) from a temporal perspective, the scale effect drives the growth of embodied carbon emissions (contribution values: 1.23 similar to 119.72 Mt for export trade; 4.88 similar to 34.36 Mt for import trade), while the intensity effect has a suppressive role (contribution values: -59.08 similar to-1.48 Mt for export trade; -20.56 similar to-5.31 Mt for import trade), and the structural effect is complex in its impact on emissions (contribution values: -17.72 similar to 0.45 Mt for export trade; -6.84 similar to 13.93 Mt for import trade). Optimizing the trade structure can help reduce carbon emissions; (3) from a spatial perspective, carbon emissions are higher in Southeast Asia and the Northern Hemisphere, and changes in China's carbon emissions (total effect in 2018: 57.01 Mt in export trade and 7.98 Mt in import trade) significantly affect other BRICS countries. Based on the conclusions of the study, it is suggested that BRICS countries should strengthen cooperation to achieve regional emission reduction targets by optimizing the trade structure of water transport, promoting energy structure reforms, advancing green transport technologies and equipment, and establishing a carbon emission regulatory system.
Keyword :
ecological protection perspective ecological protection perspective embodied carbon emissions embodied carbon emissions LMDI decomposition LMDI decomposition multi-regional input-output modelling multi-regional input-output modelling waterway transport industry waterway transport industry
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GB/T 7714 | Zheng, Shanshan , Chen, Cheng , Qiu, Peng . Spatial and Temporal Shifts and Driving Mechanisms of Embodied Carbon in Water Transport Trade in BRICS Countries [J]. | WATER , 2025 , 17 (7) . |
MLA | Zheng, Shanshan et al. "Spatial and Temporal Shifts and Driving Mechanisms of Embodied Carbon in Water Transport Trade in BRICS Countries" . | WATER 17 . 7 (2025) . |
APA | Zheng, Shanshan , Chen, Cheng , Qiu, Peng . Spatial and Temporal Shifts and Driving Mechanisms of Embodied Carbon in Water Transport Trade in BRICS Countries . | WATER , 2025 , 17 (7) . |
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Owing to the rare occurrence of tsunamis in the Arabian Sea, and the lack of reliable records on them, tsunami preparedness has not been prioritized in plans for the development of coastal cities in the Middle East. However, an increase in the number of earthquakes in the region in the recent past has highlighted the vulnerability of low-lying coastal areas to tsunamis. We investigate the potential of date palm forests to mitigate tsunamis in the Middle East. Experiments were conducted at a scale of 1:100 to assess the effectiveness of forests in reducing the intensity of tsunamis. The reflection at the front of the forest was negligibly small when the depth of flow was lower than the height of the canopy, and increased with the height of the tsunami wave when the depth of flow was higher than the height of the canopy. This shows that the structure of the canopy of date palm trees is key to reducing the energy of the tsunami. The reduction in the maximum depth of flow behind the forest increased with the height of the tsunami when the forest was longer than 120 m. The largest reductions obtained in the depth and velocity of flow behind the forest were 37% and 40%, respectively, when the forest was 180 m long and the tsunami wave was 7 m high. The results suggest that a date palm forest with a length of at least 150 m on flat ground can mitigate tsunamis in the Middle East.
Keyword :
Date palm Date palm Experiment Experiment Forest Forest Middle East Middle East Mitigation Mitigation Tsunami Tsunami
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GB/T 7714 | Nandasena, N. A. K. , Chen, Cheng , Hasan, Dania et al. Experimental investigation into the usage of date palm forests to mitigate tsunamis in the Middle East [J]. | LANDSCAPE AND ECOLOGICAL ENGINEERING , 2024 , 20 (3) : 397-413 . |
MLA | Nandasena, N. A. K. et al. "Experimental investigation into the usage of date palm forests to mitigate tsunamis in the Middle East" . | LANDSCAPE AND ECOLOGICAL ENGINEERING 20 . 3 (2024) : 397-413 . |
APA | Nandasena, N. A. K. , Chen, Cheng , Hasan, Dania , Alsereidi, Maryam , Almansoori, Fatima , Gabir, Feruz . Experimental investigation into the usage of date palm forests to mitigate tsunamis in the Middle East . | LANDSCAPE AND ECOLOGICAL ENGINEERING , 2024 , 20 (3) , 397-413 . |
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Mangroves have a remarkable wave dissipating effect. An experimental study on the tsunami impact building model and mangrove protection effect was carried out. The dam breaking wave was used to simulate the tsunami wave, and the mangrove and building models were installed in the flume. The protective effect of mangroves was studied by measuring the bore height before and after the tsunami wave passed through the mangroves and pressure during tsunami bores impacting buildings and pressure around the building during tsunami bores. The results show that, in all cases, bore heights reduced by mangrove are increased by building obstruction. On the premise that the mangroves are not destroyed, the disaster mitigating effect will not be affected by the wave intensity, but will increase with the mangrove density. Among the three arrangements, the annular arrangement has the best mitigating effect. The process of the tsunami bore impacting the building is divided into four stages: front-hitting, run-up, quasi-steady and recession. Under the protection of mangroves, the pressure at each stage is significantly reduced. For front-hitting pressure, the maximum pressure no longer appears here but in the run-up stage. For quasi-steady pressure, the time history of pressure will oscillate due to bubbles generated when the tsunami passes mangroves. According to Bernoulli principle, mangroves are determined to play a major role in reducing tsunami energy. Finally, based on the experimental data, equations for estimating the quasi-steady pressure in the center of the lower part of the building, and the distribution of pressure on the building are presented.
Keyword :
Bore height Bore height Building Building Mangrove Mangrove Pressure Pressure Tsunami bore Tsunami bore
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GB/T 7714 | Chen, Cheng , Peng, Chen , Nandasena, N. A. K. et al. Experimental investigation on tsunami impact reduction on a building by a Mangrove forest [J]. | ESTUARINE COASTAL AND SHELF SCIENCE , 2024 , 301 . |
MLA | Chen, Cheng et al. "Experimental investigation on tsunami impact reduction on a building by a Mangrove forest" . | ESTUARINE COASTAL AND SHELF SCIENCE 301 (2024) . |
APA | Chen, Cheng , Peng, Chen , Nandasena, N. A. K. , Yan, Hui . Experimental investigation on tsunami impact reduction on a building by a Mangrove forest . | ESTUARINE COASTAL AND SHELF SCIENCE , 2024 , 301 . |
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Since the number of bridges in China keeps increasing and some bridges with the damage problems brought by the age of are gradually taken into account, thus the health monitoring of bridges becomes much more important. Based on the research of China's intelligent sensing materials in the past decade, this paper summarizes the function of common sensing devices in crack pattern recognition, rust expansion monitoring, damage identification, curing shrinkage strain, and fatigue damage monitoring, and clarifies the feasibility of new monitoring technologies in practical engineering. It is also cited that the advantages and working principles of two data treatment, wavelet analysis and Long-term and short-term memory neural network, applied in the field of bridge health monitoring. The results show that intelligent sensing material and signal analysis technology has a wide application prospect in the future bridge surveillance work because of its good working performance. This paper can provide some reference for the application of intelligent sensing and signal analysis technology in the information of bridge health monitoring. © 2024 SPIE.
Keyword :
Brain Brain Damage detection Damage detection Data handling Data handling Fiber Bragg gratings Fiber Bragg gratings Pattern recognition Pattern recognition Signal analysis Signal analysis Structural health monitoring Structural health monitoring Wavelet analysis Wavelet analysis
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GB/T 7714 | Chen, Xiaonian , Chen, Cheng . Monitoring Technology and Data Processing Methods for Chinese Bridges Research Progress [C] . 2024 . |
MLA | Chen, Xiaonian et al. "Monitoring Technology and Data Processing Methods for Chinese Bridges Research Progress" . (2024) . |
APA | Chen, Xiaonian , Chen, Cheng . Monitoring Technology and Data Processing Methods for Chinese Bridges Research Progress . (2024) . |
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Tsunamis pose a significant threat to coastal engineering. A comprehensive physical experiment was conducted to examine the effect of air chambers on vertical structures with overhanging horizontal slabs under tsunami bores. This paper, serving as the second part of the series, contrasts with conditions without air chambers (flat slab as Part I) to underscore the chamber's effects. The experiment employed dam-break waves to simulate tsunamis, and the collected pressure data and experimental images were analyzed. Results show that the chambers restrict water flow, thereby enhancing the impact on the slab. This focusing effect greatly increases both maximum uplift and horizontal pressure (by almost 1.3 times). The uplift pressure rises with increasing chamber volume, while horizontal pressure escalates with greater beam volume. However, both pressures diminish as slab height increases. Water flowing into the chambers disperses air, generating numerous bubbles that accumulate above, forming an air layer that reduces pressure signal fluctuations. This phenomenon of entrained and trapped air is compared and analyzed with existing literature. The maximum pressure of the nearshore air chamber is greater than that of the offshore air chamber by 13% (3.68 kPa vs. 3.27 kPa), while the quasi-steady pressures of the two are almost equal. Differences in pressure between chambers result from the sequence of water flow impacts and reflections. New design envelope equations and conversion coefficients are proposed based on experimental data. The focusing coefficient, considering bore height, slab height, and chamber parameters, is summarized. Novel equations for estimating pressure on a flat slab with specific chambers are proposed, with validation results indicating high accuracy.
Keyword :
Air chamber Air chamber Physical experiments Physical experiments Pressure Pressure Structure model Structure model Tsunami bore Tsunami bore
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GB/T 7714 | Peng, Chen , Chen, Chen , Nandasena, N. A. K. et al. Experimental study of dam-break-like tsunami loads on vertical structures with overhanging horizontal slabs: Slab with air chamber [J]. | OCEAN ENGINEERING , 2024 , 311 . |
MLA | Peng, Chen et al. "Experimental study of dam-break-like tsunami loads on vertical structures with overhanging horizontal slabs: Slab with air chamber" . | OCEAN ENGINEERING 311 (2024) . |
APA | Peng, Chen , Chen, Chen , Nandasena, N. A. K. , Deng, Xin , Cai, Feng , Guan, Dawei . Experimental study of dam-break-like tsunami loads on vertical structures with overhanging horizontal slabs: Slab with air chamber . | OCEAN ENGINEERING , 2024 , 311 . |
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Experimental and numerical studies were conducted to assess the stability of the breakwater of Fujairah Port on the east coast of the United Arab Emirates against tsunamis. Experiments were conducted on a 1:50 scale and numerical analysis was done with the formulas of tsunami-breakwater interaction. The experimental observations corroborated the numerical results. The breakwater was safe up to 3m of tsunami height, but when the tsunami height increased from 3m to 6m, the percentage damage to the leeside (portside) of the breakwater increased compared to the seaside. The leeside of the breakwater was deformed by tsunami overtopping and seepage - the breakwater cross-section reshaped from trapezoidal to quasi-triangular at 6m tsunami impact, however, the breakwater was not breached. Rubbles of the breakwater were transported due to sliding, rolling, and saltation by overtopping and seepage. For 6m tsunami height, rubbles from the seaside rolled over up with saltation and transported to the leeside. A large number of rubbles were transported landward from the leeside of the breakwater but a few were displaced offshore from the seaside.
Keyword :
breakwater breakwater experiment experiment Rubble mound Rubble mound stability stability the Arabian Sea the Arabian Sea tsunami tsunami
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GB/T 7714 | Nandasena, N. A. K. , Chen, Cheng , Ibrahim, Mamoun El-Hag et al. Experimental and Numerical Study on Tsunami-Like Flow Impact on Fujairah Port Breakwater [J]. | JOURNAL OF EARTHQUAKE AND TSUNAMI , 2024 , 18 (06) . |
MLA | Nandasena, N. A. K. et al. "Experimental and Numerical Study on Tsunami-Like Flow Impact on Fujairah Port Breakwater" . | JOURNAL OF EARTHQUAKE AND TSUNAMI 18 . 06 (2024) . |
APA | Nandasena, N. A. K. , Chen, Cheng , Ibrahim, Mamoun El-Hag , Karim, Faisal . Experimental and Numerical Study on Tsunami-Like Flow Impact on Fujairah Port Breakwater . | JOURNAL OF EARTHQUAKE AND TSUNAMI , 2024 , 18 (06) . |
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