Articles | Volume 28, issue 22
https://doi.org/10.5194/hess-28-5133-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-28-5133-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
On the cause of large daily river flow fluctuations in the Mekong River
Khosro Morovati
Department of Hydraulic Engineering & State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing, 100084, China
Key Laboratory of Hydrosphere Sciences of the Ministry of Water Resources, Tsinghua University, Beijing, 100084, China
Keer Zhang
Department of Hydraulic Engineering & State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing, 100084, China
Key Laboratory of Hydrosphere Sciences of the Ministry of Water Resources, Tsinghua University, Beijing, 100084, China
Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
Yadu Pokhrel
Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48823, United States
Maozhou Wu
Department of Hydraulic Engineering & State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing, 100084, China
Paradis Someth
eWater, UC Innovation Centre, University Drive South, Canberra, Australian Capital Territory, 2617, Australia
Sarann Ly
Mekong River Commission Secretariat (MRCS), Technical Support Division, Vientiane 01000, Lao PDR
Department of Hydraulic Engineering & State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing, 100084, China
Key Laboratory of Hydrosphere Sciences of the Ministry of Water Resources, Tsinghua University, Beijing, 100084, China
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Cited
10 citations as recorded by crossref.
- Finding potential land use policies for transboundary river basin to resolve harsh land-population relationship under flood risks: Evidence from Lancang-Mekong River Basin S. Huan https://doi.org/10.1016/j.landusepol.2026.107977
- Spatially distributed gradient-based calibration and parametric sensitivity of a spatialized hydrological model over 235 French catchments P. Garambois et al. https://doi.org/10.1016/j.ejrh.2025.102485
- Climate change and irrigation expansion reshape the water pressure and upstream–downstream interactions in the Lancang–Mekong River Basin H. Zhao et al. https://doi.org/10.5194/hess-30-2433-2026
- Spatiotemporal variations of water levels and river-lake interaction in the Poyang Lake basin under the extreme drought H. Chen et al. https://doi.org/10.1016/j.ejrh.2024.102165
- Climate change, dams, and irrigation expansion reshape water–energy trade-offs in the Lancang–Mekong River Basin H. Zhao et al. https://doi.org/10.1016/j.jhydrol.2026.135371
- The Asian Water tower under threat: hydropower expansion and Water security in a changing climate Y. Pokhrel & S. Aryal https://doi.org/10.1016/j.wasec.2026.100211
- Hydro-meteorological drivers of spatiotemporal variability in lake water storage across China: Evidence from ICESat-2 H. Xu et al. https://doi.org/10.1016/j.jhydrol.2026.135449
- Evaluating inland flood mitigation capacity under extreme rainfall conditions Y. Song et al. https://doi.org/10.1016/j.ejrh.2026.104018
- The emergence of the Lancang Mekong cooperation and its impacts on the Mekong river basin S. Lee & N. Shin https://doi.org/10.1080/15715124.2026.2636051
- Reduction of flows due to the implementation of hydroelectric systems in the Chiriquí Viejo River Basin, Panamá H. De Gracia & C. Aguilar https://doi.org/10.1080/15715124.2026.2645669
10 citations as recorded by crossref.
- Finding potential land use policies for transboundary river basin to resolve harsh land-population relationship under flood risks: Evidence from Lancang-Mekong River Basin S. Huan https://doi.org/10.1016/j.landusepol.2026.107977
- Spatially distributed gradient-based calibration and parametric sensitivity of a spatialized hydrological model over 235 French catchments P. Garambois et al. https://doi.org/10.1016/j.ejrh.2025.102485
- Climate change and irrigation expansion reshape the water pressure and upstream–downstream interactions in the Lancang–Mekong River Basin H. Zhao et al. https://doi.org/10.5194/hess-30-2433-2026
- Spatiotemporal variations of water levels and river-lake interaction in the Poyang Lake basin under the extreme drought H. Chen et al. https://doi.org/10.1016/j.ejrh.2024.102165
- Climate change, dams, and irrigation expansion reshape water–energy trade-offs in the Lancang–Mekong River Basin H. Zhao et al. https://doi.org/10.1016/j.jhydrol.2026.135371
- The Asian Water tower under threat: hydropower expansion and Water security in a changing climate Y. Pokhrel & S. Aryal https://doi.org/10.1016/j.wasec.2026.100211
- Hydro-meteorological drivers of spatiotemporal variability in lake water storage across China: Evidence from ICESat-2 H. Xu et al. https://doi.org/10.1016/j.jhydrol.2026.135449
- Evaluating inland flood mitigation capacity under extreme rainfall conditions Y. Song et al. https://doi.org/10.1016/j.ejrh.2026.104018
- The emergence of the Lancang Mekong cooperation and its impacts on the Mekong river basin S. Lee & N. Shin https://doi.org/10.1080/15715124.2026.2636051
- Reduction of flows due to the implementation of hydroelectric systems in the Chiriquí Viejo River Basin, Panamá H. De Gracia & C. Aguilar https://doi.org/10.1080/15715124.2026.2645669
Saved (final revised paper)
Latest update: 07 Nov 2026
Short summary
This study examines large daily river flow fluctuations in the dammed Mekong River, developing integrated 3D hydrodynamic and response time models alongside a hydrological model with an embedded reservoir module. This approach allows estimation of travel times between hydrological stations and contributions of subbasins and upstream regions. Findings show a power correlation between upstream discharge and travel time, and significant fluctuations occurred even before dam construction.
This study examines large daily river flow fluctuations in the dammed Mekong River,...
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