{"title":"黄河流域上游黑山峡水库水沙调控的多目标协同与竞争关系","authors":"","doi":"10.1016/j.ejrh.2024.102045","DOIUrl":null,"url":null,"abstract":"<div><h3>Study region</h3><div>Heishanxia Reservoir, upstream of the Yellow River Basin.</div></div><div><h3>Study focus</h3><div>The complicated management of the Yellow River Basin stems primarily from an uncoordinated relationship between water and sediment. The un-built Heishanxia Reservoir has been designated as one of seven pivotal projects, and its regulating effect remains to be thoroughly studied. First, nine typical inflow water and sediment scenarios were constructed based on probability inference. Then, a multi-objective water and sediment regulation model of Heishanxia Reservoir was established with the objectives of maximum erosion quantity (EQ) of the channel, maximum ecological satisfaction rate (ESR), and maximum power generation (PG). Finally, the multi-dimensional regulating effect was revealed, and the synergy-competition relationships among EQ, ESR and PG were analyzed.</div></div><div><h3>New hydrological insights for the region</h3><div>The operation of Heishanxia can increase the discharge during the flood season in the downstream Ning-Meng Channel, and the average annual EQ is 0.19×10<sup>8</sup> t more than the current condition. Further, the ESR decreases slightly during the high-flow and normal-flow years and increases slightly during the low-flow years. The PG in the upper reaches of the Yellow River has increased by approximately 10 %. Among the three objectives, EQ and ESR, as well as EQ and PG, demonstrate a competitive relationship, whereas ESR and PG exhibit a synergistic relationship. Reservoir inflow plays a major role in the changes of synergy-competition relationship.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":null,"pages":null},"PeriodicalIF":4.7000,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Multi-objective synergy and competition relationship of water and sediment regulation of the Heishanxia reservoir in upstream of the Yellow River Basin\",\"authors\":\"\",\"doi\":\"10.1016/j.ejrh.2024.102045\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Study region</h3><div>Heishanxia Reservoir, upstream of the Yellow River Basin.</div></div><div><h3>Study focus</h3><div>The complicated management of the Yellow River Basin stems primarily from an uncoordinated relationship between water and sediment. The un-built Heishanxia Reservoir has been designated as one of seven pivotal projects, and its regulating effect remains to be thoroughly studied. First, nine typical inflow water and sediment scenarios were constructed based on probability inference. Then, a multi-objective water and sediment regulation model of Heishanxia Reservoir was established with the objectives of maximum erosion quantity (EQ) of the channel, maximum ecological satisfaction rate (ESR), and maximum power generation (PG). Finally, the multi-dimensional regulating effect was revealed, and the synergy-competition relationships among EQ, ESR and PG were analyzed.</div></div><div><h3>New hydrological insights for the region</h3><div>The operation of Heishanxia can increase the discharge during the flood season in the downstream Ning-Meng Channel, and the average annual EQ is 0.19×10<sup>8</sup> t more than the current condition. Further, the ESR decreases slightly during the high-flow and normal-flow years and increases slightly during the low-flow years. The PG in the upper reaches of the Yellow River has increased by approximately 10 %. Among the three objectives, EQ and ESR, as well as EQ and PG, demonstrate a competitive relationship, whereas ESR and PG exhibit a synergistic relationship. Reservoir inflow plays a major role in the changes of synergy-competition relationship.</div></div>\",\"PeriodicalId\":48620,\"journal\":{\"name\":\"Journal of Hydrology-Regional Studies\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.7000,\"publicationDate\":\"2024-10-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Hydrology-Regional Studies\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S221458182400394X\",\"RegionNum\":2,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"WATER RESOURCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Hydrology-Regional Studies","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S221458182400394X","RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"WATER RESOURCES","Score":null,"Total":0}
Multi-objective synergy and competition relationship of water and sediment regulation of the Heishanxia reservoir in upstream of the Yellow River Basin
Study region
Heishanxia Reservoir, upstream of the Yellow River Basin.
Study focus
The complicated management of the Yellow River Basin stems primarily from an uncoordinated relationship between water and sediment. The un-built Heishanxia Reservoir has been designated as one of seven pivotal projects, and its regulating effect remains to be thoroughly studied. First, nine typical inflow water and sediment scenarios were constructed based on probability inference. Then, a multi-objective water and sediment regulation model of Heishanxia Reservoir was established with the objectives of maximum erosion quantity (EQ) of the channel, maximum ecological satisfaction rate (ESR), and maximum power generation (PG). Finally, the multi-dimensional regulating effect was revealed, and the synergy-competition relationships among EQ, ESR and PG were analyzed.
New hydrological insights for the region
The operation of Heishanxia can increase the discharge during the flood season in the downstream Ning-Meng Channel, and the average annual EQ is 0.19×108 t more than the current condition. Further, the ESR decreases slightly during the high-flow and normal-flow years and increases slightly during the low-flow years. The PG in the upper reaches of the Yellow River has increased by approximately 10 %. Among the three objectives, EQ and ESR, as well as EQ and PG, demonstrate a competitive relationship, whereas ESR and PG exhibit a synergistic relationship. Reservoir inflow plays a major role in the changes of synergy-competition relationship.
期刊介绍:
Journal of Hydrology: Regional Studies publishes original research papers enhancing the science of hydrology and aiming at region-specific problems, past and future conditions, analysis, review and solutions. The journal particularly welcomes research papers that deliver new insights into region-specific hydrological processes and responses to changing conditions, as well as contributions that incorporate interdisciplinarity and translational science.