Numerical Study on the Formation Mechanism of Plume Bulge in the Pearl River Estuary under the Influence of River Discharge
Abstract
:1. Introduction
2. Study Area
3. Materials and Methods
3.1. Observation Data
3.2. Model Configuration
3.3. Model Validation
3.4. Model Setting
3.5. Salinity Standardization Stratification Coefficient
3.6. Amplitude of Tidal Salinity Variation
4. Results
4.1. Spatial and Temporal Evolution of the Plume Bulge in PRE
4.2. Horizontal Distribution of the Plume Bulge in PRE after River Discharge Changes
4.3. Vertical Distribution of the Plume Bulge in PRE
4.4. Standardized Analysis
4.4.1. Salinity Standardization Stratification Coefficient
4.4.2. Amplitude of Tidal Salinity Variation
4.5. Momentum Balance Analysis
5. Discussion: The Mechanisms of Plume Bulge Formation and Maintenance
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Tide | River Discharge | Wind | |
---|---|---|---|
Exp1 (Control) | Spring | 23,440 m3/s | × |
Exp2 | Spring | 35,160 m3/s (1.5× Control) | × |
Exp3 | Spring | 11,720 m3/s (0.5× Control) | × |
Exp4 | Spring | 70,320 m3/s (3× Control) | × |
Exp5 | Spring | 5860 m3/s (0.25× Control) | × |
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Zhao, C.; Wang, N.; Ding, Y.; Song, D.; Li, J.; Li, M.; Zhou, L.; Yu, H.; Chen, Y.; Bao, X. Numerical Study on the Formation Mechanism of Plume Bulge in the Pearl River Estuary under the Influence of River Discharge. Water 2024, 16, 1296. https://doi.org/10.3390/w16091296
Zhao C, Wang N, Ding Y, Song D, Li J, Li M, Zhou L, Yu H, Chen Y, Bao X. Numerical Study on the Formation Mechanism of Plume Bulge in the Pearl River Estuary under the Influence of River Discharge. Water. 2024; 16(9):1296. https://doi.org/10.3390/w16091296
Chicago/Turabian StyleZhao, Chenyu, Nan Wang, Yang Ding, Dehai Song, Junmin Li, Mengqi Li, Lingling Zhou, Hang Yu, Yanyu Chen, and Xianwen Bao. 2024. "Numerical Study on the Formation Mechanism of Plume Bulge in the Pearl River Estuary under the Influence of River Discharge" Water 16, no. 9: 1296. https://doi.org/10.3390/w16091296