利用街景图像来估计太阳能光伏公交车的潜力

IF 4 2区地球科学 Q1 GEOGRAPHY

Applied Geography Pub Date : 2025-02-20 DOI:10.1016/j.apgeog.2025.103567

Zeru Yang , Fang-Ying Gong

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引用次数: 0

摘要

光伏动力公交车为减少对化石燃料的依赖和减轻电网压力提供了一个很有前途的解决方案。本研究利用街景图像、气象数据和先进的分析技术，包括深度学习和辐射传输模型，对北京市中心城区的太阳能潜力进行了评估。该分析综合了空间特征、季节变化以及天气条件对太阳能可用性的影响。主要发现如下：(1)北京市中心城区具有丰富的太阳能利用潜力，但存在季节和空间差异。夏季，东西向街道的太阳能水平最高，可达15.0 MJ/m2/day，而在人口密集地区，冬季太阳能水平可低至6.0 MJ/m2/day；(2)太阳能公交车的日发电能力可达100千瓦时，在晴朗天气下可行驶8.85万公里，在多云天气下可行驶6.43万公里，碳排放量分别减少88.4吨和64.3吨；(3)将光伏系统集成到公共交通系统中具有显著的经济和环境效益，增强了能源安全，促进了可持续性。这些结果证明了将光伏技术纳入城市公共交通的可行性和优势，通过减少碳排放和提高能源效率，有助于可持续城市的发展。

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Utilizing street view images to estimate solar energy potential for photovoltaic-powered buses

Photovoltaic-powered buses offer a promising solution for reducing fossil fuel dependency and alleviating pressure on power grids. This study evaluates the solar energy potential in downtown Beijing by utilizing street view images, meteorological data, and advanced analytical techniques, including deep learning and the radiative transfer model. The analysis incorporates spatial characteristics, seasonal variations, and the impact of weather conditions on solar energy availability. Key findings include: (1) downtown Beijing exhibits substantial solar energy potential, with seasonal and spatial variations. Solar energy levels are highest on east-west oriented streets during summer, reaching up to 15.0 MJ/m²/day, while winter levels can drop to as low as 6.0 MJ/m²/day in densely built areas; (2) photovoltaic-powered buses can generate up to 100 kWh per day, enabling annual travel of 88,500 km under clear skies and 64,300 km under cloudy conditions, while reducing carbon emissions by 88.4 tons and 64.3 tons, respectively; (3) integrating photovoltaic systems into public transportation offers significant economic and environmental benefits, enhancing energy security and promoting sustainability. These results demonstrate the feasibility and advantages of incorporating photovoltaic technology into urban public transit, contributing to the development of sustainable cities by reducing carbon emissions and improving energy efficiency.

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来源期刊

Applied Geography GEOGRAPHY-

CiteScore

8.00

自引率

2.00%

发文量

134

期刊介绍： Applied Geography is a journal devoted to the publication of research which utilizes geographic approaches (human, physical, nature-society and GIScience) to resolve human problems that have a spatial dimension. These problems may be related to the assessment, management and allocation of the world physical and/or human resources. The underlying rationale of the journal is that only through a clear understanding of the relevant societal, physical, and coupled natural-humans systems can we resolve such problems. Papers are invited on any theme involving the application of geographical theory and methodology in the resolution of human problems.