Assessing the water and carbon footprint of hydropower stations at a national scale

Wang, Jinyan; Chen, Xiuzhi; Liu, Zhongwei; Frans, Veronica F.; Xu, Zhenci; Qiu, Xinjiao; Xu, Feipeng; Li, Yunkai

doi:10.1016/j.scitotenv.2019.04.148

Cited by 36 publications

(7 citation statements)

References 40 publications

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“…However, recent life cycle assessment studies indicate that the additional impacts, would vary by region. For China it has been reported that the operation phase of the reservoir accounted for 99% of the water consumption and 87% of the GHG emissions, when neglecting the deconstruction phase 74 . In addition, for the tropics it has been reported that the operation is the main contributor to GHG emissions.…”

Section: Discussionmentioning

confidence: 99%

Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

Dorber

Arvesen

Gernaat

et al. 2020

Sci Rep

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Further reservoir-based hydropower development can contribute to the United Nations’ sustainable development goals (SDGs) on affordable and clean energy, and climate action. However, hydropower reservoir operation can lead to biodiversity impacts, thus interfering with the SDGs on clean water and life on land. We combine a high-resolution, location-specific, technical assessment with newly developed life cycle impact assessment models, to assess potential biodiversity impacts of possible future hydropower reservoirs, resulting from land occupation, water consumption and methane emissions. We show that careful selection of hydropower reservoirs has a large potential to limit biodiversity impacts, as for example, 0.3% of the global hydropower potential accounts for 25% of the terrestrial biodiversity impact. Local variations, e.g. species richness, are the dominant explanatory factors of the variance in the quantified biodiversity impact and not the mere amount of water consumed, or land occupied per kWh. The biodiversity impacts are mainly caused by land occupation and water consumption, with methane emissions being much less important. Further, we indicate a trade-off risk between terrestrial and aquatic biodiversity impacts, as due to the weak correlation between terrestrial and aquatic impacts, reservoirs with small aquatic biodiversity impacts tend to have larger terrestrial impacts and vice versa.

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Section: Discussionmentioning

confidence: 99%

Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

Dorber

Arvesen

Gernaat

et al. 2020

Sci Rep

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“…Nitrogen (N) and phosphorus (P) are two indispensable elements for life on earth and to ensure high agricultural productivity 14 . In agricultural trade networks, intensive nutrient transfer and exchange through the flows of N and P 10 , 15 have dramatically changed the global nutrient cycle. Therefore, exploring the environmental and natural resource impacts of nutrient flows in telecoupled agricultural trade networks is important for global sustainable agricultural trade and nutrient management 16 – 19 .…”

Section: Introductionmentioning

confidence: 99%

Physical and virtual nutrient flows in global telecoupled agricultural trade networks

et al. 2023

Self Cite

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Global agricultural trade creates multiple telecoupled flows of nitrogen (N) and phosphorus (P). The flows of physical and virtual nutrients along with trade have discrepant effects on natural resources in different countries. However, existing literature has not quantified or analyzed such effects yet. Here we quantified the physical and virtual N and P flows embedded in the global agricultural trade networks from 1997 to 2016 and elaborated components of the telecoupling framework. The N and P flows both increased continuously and more than 25% of global consumption of nutrients in agricultural products were related to physical nutrient flows, while virtual nutrient flows were equivalent to one-third of the nutrients inputs into global agricultural system. These flows have positive telecoupling effects on saving N and P resources at the global scale. Reducing inefficient trade flows will enhance resource conservation, environmental sustainability in the hyper-globalized world.

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“…However, such large-scale installations typically require higher flow field strength and stability, which often leads to a more centralized and location-dependent approach to energy generation. [39][40][41] This reliance on specific environmental conditions and infrastructure can result in relatively inefficient installations for remote regions or outdoor monitoring equipment. In such areas, the availability and accessibility of consistent flow field strength and stability may be limited.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress in Flow Energy Harvesting and Sensing Based on Triboelectric Nanogenerators

Wu,

Zhu,

et al. 2023

Adv Materials Technologies

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Triboelectric nanogenerators (TENGs), as a novel energy harvesting technology, have attracted increasing attention. This review paper focuses on the application of TENGs in flow energy harvesting and self‐powered flow sensing systems, as well as the latest research progress in this field. First, the working principle of TENG is introduced in detail, including the electrification mechanism and four basic working modes. Subsequently, the common applications of TENG‐based flow energy harvesting are systematically classified and summarized. In addition, the designs and principles for harnessing wind energy, wave energy, water flow energy, and droplet energy are illustrated individually. Furthermore, the common applications of TENG in flow sensing are elucidated, involving flow velocity and direction, flow rate measurement, respiration monitoring, water level, and wave motion monitoring. Finally, the current challenges in this field, such as the stability of TENG performance, scalability and integration, environmental impact and durability, etc., are discussed and future research directions, such as developing new TENG materials and designing more high‐efficiency TENG structure, are proposed. It is hoped that this review paper can actively promote the research and application of TENGs and contribute to the development of this field.

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Assessing the water and carbon footprint of hydropower stations at a national scale

Cited by 36 publications

References 40 publications

Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

Physical and virtual nutrient flows in global telecoupled agricultural trade networks

Recent Progress in Flow Energy Harvesting and Sensing Based on Triboelectric Nanogenerators

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