2021
DOI: 10.2166/ws.2021.121
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Prediction of runoff in the upper Yangtze River based on CEEMDAN-NAR model

Abstract: Scientific and accurate prediction of river runoff is important for river flood control and sustainable use of water resources. This study evaluates the ability of a Nonlinear Auto Regressive model (NAR) in predicting runoff volume. Using the Cuntan Hydrological Station in the upper reaches of the Yangtze River as the research object, the model was established based on the runoff characteristics from 1951 to 2020 and tested by NAR. To improve the prediction efficiency, complete ensemble empirical mode decompos… Show more

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Cited by 12 publications
(6 citation statements)
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“…In addition, the snails frequently choose appropriate low-lying regions for their survival. The anticipated rise in heavy rainfall due to global warming [57] could potentially cause snails upstream to migrate towards the drier northeast, while snails in the middle and lower parts of the stream may move towards the less rainy northwest. Hence, it is plausible that the observed migration patterns are primarily influenced by the collective impact of temperature, precipitation, and elevation.…”
Section: Discussionmentioning
confidence: 99%
“…In addition, the snails frequently choose appropriate low-lying regions for their survival. The anticipated rise in heavy rainfall due to global warming [57] could potentially cause snails upstream to migrate towards the drier northeast, while snails in the middle and lower parts of the stream may move towards the less rainy northwest. Hence, it is plausible that the observed migration patterns are primarily influenced by the collective impact of temperature, precipitation, and elevation.…”
Section: Discussionmentioning
confidence: 99%
“…ber and area of glacial lakes in the Kunlun Mountains, with increases of 39.25% 81.35%, respectively, compared to 2000 [10]. The area of surface water bodies has al nificantly increased, with the size of permanent water bodies expanding by 71.…”
Section: Introductionmentioning
confidence: 98%
“…From 2000 to 2014, glaciers on the eastern northern slope of the Kunlun Mountains thinned overall, with the greatest thinning (36.50 m) occurring at elevations between 4000 and 4200 m, resulting in a glacier volume reduction of 1.28 km 3 [9]. Recent observations show an increase in both the number and area of glacial lakes in the Kunlun Mountains, with increases of 39.25% and 81.35%, respectively, compared to 2000 [10]. The area of surface water bodies has also significantly increased, with the size of permanent water bodies expanding by 71.03% ± 27.73% and the area of seasonal water bodies increasing by 170.63% ± 17.50% [11].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, it is of great significance to analyze the characteristics and changes in rainfall [15,16]. In the 21st century, global rainfall and extreme rainfall are increasing [17][18][19]. Especially in the middle and high latitudes of the Northern Hemisphere, the intensity and frequency of rainfall have increased significantly.…”
Section: Introductionmentioning
confidence: 99%