Experimental on Numerical Simulation of the Impact of Lake Level Plane Fluctuation on Shallow Water Delta
Zeng Can
Yin Taiju
Song Yakai
Abstract：Lake level fluctuation has an important influence on the development of delta sediments.However,previous studies have not included any quantitative analysis of the formation process.In this paper,the hydrodynamic numerical simulation method is used to simulate the formation process of the shallow water delta in the case of lake level fluctuation and to analyze its evolution law.According to the hydrodynamic characteristics of modern river delta,the hydrodynamic and sedimentary conditions were designed.Two sedementation processes of lake level fluctuation were simulated by Delft3D.The simulation analysis show that lake level fluctuation exerts great impact on the formation and distribution of the sediments,and the evolution of the river channel.Combined with plane and profile analysis,the multi-period superposition of sedimentary body was found.The results show that the lake level controls the advance and retreat of the sedimentary body and its sedimentary characteristics,and the hydrodynamic numerical simulation method can better reveal the evolution process of the shallow water delta in the case of lake levelfluctuation.
Keywords：numerical simulation of sedimentslake level fluctuationshallow water deltaDelft3Dpetroleum geology
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：10( 2095-2104 )