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DOI | 10.1088/1748-9326/aaac85 |
Thermal pollution impacts on rivers and power supply in the Mississippi River watershed | |
Miara, Ariel1,2; Vorosmarty, Charles J.1,2; Macknick, Jordan E.3; Tidwell, Vincent C.4; Fekete, Balazs2; Corsi, Fabio1,2; Newmark, Robin5 | |
2018-03-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Thermal pollution from power plants degrades riverine ecosystems with ramifications beyond the natural environment as it affects power supply. The transport of thermal effluents along river reaches may lead to plant-to-plant interferences by elevating condenser inlet temperatures at downstream locations, which lower thermal efficiencies and trigger regulatory-forced power curtailments. We evaluate thermal pollution impacts on rivers and power supply across 128 plants with once-through cooling technologies in the Mississippi River watershed. By leveraging river network topologies with higher resolutions (0.05.) than previous studies, we reveal the need to address the issue in a more spatially resolved manner, capable of uncovering diverse impacts across individual plants, river reaches and sub-basins. Results show that the use of coarse river network resolutions may lead to substantial overestimations in magnitude and length of impaired river reaches. Overall, there is a modest limitation on power production due to thermal pollution, given existing infrastructure, regulatory and climate conditions. However, tradeoffs between thermal pollution and electricity generation show important implications for the role of alternative cooling technologies and environmental regulation under current and future climates. Recirculating cooling technologies may nearly eliminate thermal pollution and improve power system reliability under stressed climate-water conditions. Regulatory limits also reduce thermal pollution, but at the expense of significant reductions in electricity generation capacity. However, results show several instances when power production capacity rises at individual plants when regulatory limits reduce upstream thermal pollution. These dynamics across energy-water systems highlight the need for high-resolution simulations and the value of coherent planning and optimization across infrastructure with mutual dependencies on natural resources to overcome climate-water constraints on productivity and bring to fruition energy and environmental win-win opportunities. |
英文关键词 | climate change rivers electricity generation power supply Mississippi River watershed clean water act thermal pollution |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428513300001 |
WOS关键词 | THERMOELECTRIC-POWER ; CLIMATE ; TEMPERATURE ; GENERATION |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/15075 |
专题 | 气候变化 |
作者单位 | 1.CUNY, Grad Ctr, Adv Sci Res Ctr, New York, NY 10031 USA; 2.CUNY, Grove Sch Engn, Dept Civil Engn, New York, NY 10031 USA; 3.Natl Renewable Energy Lab, Sci Comp & Energy Anal, Golden, CO 80401 USA; 4.Sandia Natl Labs, Energy Water Syst Integrat Dept, Albuquerque, NM 87185 USA; 5.Natl Renewable Energy Lab, Strateg Initiat, Golden, CO 80401 USA |
推荐引用方式 GB/T 7714 | Miara, Ariel,Vorosmarty, Charles J.,Macknick, Jordan E.,et al. Thermal pollution impacts on rivers and power supply in the Mississippi River watershed[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(3). |
APA | Miara, Ariel.,Vorosmarty, Charles J..,Macknick, Jordan E..,Tidwell, Vincent C..,Fekete, Balazs.,...&Newmark, Robin.(2018).Thermal pollution impacts on rivers and power supply in the Mississippi River watershed.ENVIRONMENTAL RESEARCH LETTERS,13(3). |
MLA | Miara, Ariel,et al."Thermal pollution impacts on rivers and power supply in the Mississippi River watershed".ENVIRONMENTAL RESEARCH LETTERS 13.3(2018). |
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