Towards cleaner heating production in rural areas: Identifying optimal regional renewable systems with a case in Ningxia, China

He, Jiaming; Wu, Yunna; Wu, Junhao; Li, Shaoze; Liu, Fangtong; Liao, Mingjuan

doi:10.1016/j.scs.2021.103288

Cited by 20 publications

(4 citation statements)

References 58 publications

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“…In Xining, the area where grassland, forests and cropland expanded presented a weak cooling effect. Therefore, when analyzing the driving mechanism of land cover change in energy budget at a regional/local scale, fully considering the spatial heterogeneity of land cover types and quantitatively evaluating the radiation of different types of land cover changes and their temporal and spatial patterns [41,42] can deepen the understanding of the climate effect of land cover change and can provide a basis for future regional and global land use decision making [43,44].…”

Section: Discussionmentioning

confidence: 99%

Quantifying the Contribution of LUCC to Surface Energy Budget: A Case Study of Four Typical Cities in the Yellow River Basin in China

et al. 2021

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With social changes and economic development, human activities inevitably lead to significant changes in land use types. Land use and land cover change (LUCC) leads to a series of changes in energy balance and surface temperature, which has an impact on the regional climate. In this study, MODIS remote sensing data were used to quantify the results of the biological and geophysical effects caused by LUCC in four typical cities in the Yellow River Basin of China: Jinan, Zhengzhou, Lanzhou and Xining. The results showed the following: (1) The latent heat flux and the net radiation of the four cities were both increasing on the whole. The latent heat flux of water and forest was higher, which played a key role in energy consumption on the ground. The net radiation value of the old urban and urban expansion areas was higher, while that of the forest was lower, which indicated that human activities increased the input of surface energy. (2) The differences between latent heat flux and net radiation in areas greatly affected by human activities were much smaller than those in natural areas such as forest and grassland. This indicted that human activities increased the warming trend. In addition, most of the differences between latent heat flux and net radiation in the four cities showed a downward trend. (3) Different cities have different regulating factors for land surface temperature (LST). In Jinan and Zhengzhou, the regulation of LST by net radiation was more obvious, while in Lanzhou and Xining, the regulation of LST by latent heat flux was more pronounced. By comparing LUCC and the forced balance between energy intake and consumption in four typical cities along the Yellow River Basin, this study emphasizes the difference of energy budgets under different land use types, which has important reference value for judging the spatial difference of urban thermal environments.

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Section: Discussionmentioning

confidence: 99%

Quantifying the Contribution of LUCC to Surface Energy Budget: A Case Study of Four Typical Cities in the Yellow River Basin in China

et al. 2021

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“…One was framed from a macro perspective; it entailed the determination of whether a certain clean heating method was suitable for adoption in a certain place. This perspective was generally related to economic (Wei et al 2010;Wang et al 2019;Zhang et al 2020;Huo et al 2020;He et al 2021),…”

Section: Selection Of Indicatorsmentioning

confidence: 99%

“…technical (Wei et al 2010;Wang et al 2019;Zhang et al 2020), environmental protection (Wei et al 2010;Wang et al 2019;Zhang et al 2020;He et al 2021), and to the social factors (He et al 2021) that are necessary to ensure a comprehensive evaluation. The other entailed the user's perspective; it was related to the analysis of whether users were willing to adopt a certain type of clean heating.…”

Section: Selection Of Indicatorsmentioning

confidence: 99%

Development of an evaluation method on using electric heating in cold rural areas of China

Zhou

Huang

et al. 2022

Preprint

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Responding to the national “double carbon” policy, rural areas in China are upgrading their heating methods. Since rural areas are more dispersed than urban areas, centralized heating is not easy to use. Therefore, electric heating has become one of the major solutions. However, relevant studies on electric heating usage in rural areas are limited. In this study, therefore, research methods including literature review, questionnaire, and expert consultation have been adopted, to decide relevant indicators reflecting the suitability of using electric heating in cold rural areas in China. Then, both expert questionnaire and analytic hierarchy process were used to decide the weight of these indicators, with a hybrid model established based on the gray whitening weight clustering method. Finally, a case village was selected to validate the performance of the model, with 20 households involved. The main results from this study include: 1) the primary indicators were technology, economy, comfort, safety, aesthetic portability, and environmental protection; 2) the weights of these indicators were 0.1617, 0.3158, 0.2337, 0.1846, 0.0516, and 0.0525; 3) the evaluation result for the case village was ‘suitable’, which was consistent with the villagers' actual subjective evaluation results. The evaluation method developed in this study can effectively reflect the actual needs of people living in cold rural areas of China and can help to achieve low-carbon heating in rural areas.

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“…There is a direct relationship between negative social effects and lack of electricity [4]. Rural areas are the most affected by the lack of access to electricity because most of them are in remote or isolated locations where it is very difficult and/or very costly to transport energy using the conventional networks of the electricity system [5]. Many of these communities subsist by raising animal or vegetable species for self-consumption or income generation, and their waste generates pollution problems.…”

Section: Introductionmentioning

confidence: 99%

Exploration of Alternatives to Reduce the Gap in Access to Electricity in Rural Communities—Las Nubes Village Case (Barranquilla, Colombia)

Henao,

Guzman

2024

Energies

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The global crisis associated with COVID-19 and the Russia-Ukraine conflict has affected progress towards the Sustainable Development Goals (SDGs). Projections for SDG7 (Ensure access to affordable, reliable, sustainable, and modern energy for all) indicate a slowdown in the pace of electrification. Thus, the problem of poverty will persist in many regions as long as access to electricity remains difficult. This work analyzes some solutions to the lack of electricity supply in a rural community using organic waste from its economic activity and the integration of other available renewable sources to make electricity affordable and reliable. A model that minimizes the levelized cost of energy and restricts the proportion of annual energy not supplied to less than 5% of the community’s annual demand optimizes the performance of off-grid and on-grid systems. These systems have in common the production of electricity from biogas produced from swine manure, supplemented with wind and solar generation. Batteries and diesel generators support the operation of off-grid systems. As expected, the grid-connected system presented the best performance; however, the result reaffirms the need for governments to ensure the policy and infrastructure conditions that facilitate the grid connection of vulnerable communities to achieve SDG7.

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Towards cleaner heating production in rural areas: Identifying optimal regional renewable systems with a case in Ningxia, China

Cited by 20 publications

References 58 publications

Quantifying the Contribution of LUCC to Surface Energy Budget: A Case Study of Four Typical Cities in the Yellow River Basin in China

Quantifying the Contribution of LUCC to Surface Energy Budget: A Case Study of Four Typical Cities in the Yellow River Basin in China

Development of an evaluation method on using electric heating in cold rural areas of China

Exploration of Alternatives to Reduce the Gap in Access to Electricity in Rural Communities—Las Nubes Village Case (Barranquilla, Colombia)

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