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- ISBN:9787563082278
- 装帧:一般胶版纸
- 册数:暂无
- 重量:暂无
- 开本:16开
- 页数:150
- 出版时间:2023-05-01
- 条形码:9787563082278 ; 978-7-5630-8227-8
内容简介
潮沟系统和盐沼的发展是水动力、泥沙输送、河床演化和植被生长发育等因素间相互作用的结果,潮沟系统会影响周边盐沿植被的生长过程,与此同时,也受到盐沼植被扩张的影响。因此有必要对潮沟与盐沼的耗合演化规律进行整体分析和模拟。在本书的研究中,通过考虑植被引起的水流阻力和潮间带环境典型的干湿过程,对现有的潮滩形态动力学模型进行了适当的改进。基于新模型,本书分析了植被和初始河床地形对小尺度潮滩的形态动力学影响,并讨论了潮沟系统排水效率的影响因素。
目录
Abstract
Acknowledgements
Chapter 1 Introduction
1.1 Research motivation
1.2 Research objective
1.3 Book structure
Chapter 2 Morphodynamic modelling
2.1 Introduction
2.2 Model formulation
2.2.1 Hydraulic module
2.2.2 Sediment transport
2.2.3 Bed evolution
2.2.4 Vegetation growth
2.3 Hydrodynamic verifications of the model
2.3.1 Wetting and drying effects
2.3.2 Effects of vegetation on flow resistance
2.4 Conclusions
Chapter 3 The interaction between tidal channels and salt marshes
3.1 Introduction
3.2 Model setup
3.3 Results
3.3.1 Coupled evolution of tidal channels and salt marshes
3.3.2 Deposition and erosion rates
3.3.3 Development of salt marshes
3.3.4 Development of tidal channel networks
3.3.5 The drainage efficiency
3.4 Discussion
3.4.1 Sea level rise
3.4.2 Comparison with Delft3D
3.5 Comparison with field data
3.6 Conclusions
Chapter 4 The effect of initial bed surface on salt marsh and tidal channel developments
4.1 Introduction
4.2 Model setup
4.3 Effects of perturbations on bare soil cases
4.3.1 Initial perturbation density
4.3.2 Initial perturbation distribution
4.4 Effects of perturbations in the presence of vegetation
4.4.1 Development of salt marshes
4.4.2 Vegetation feedback on tidal channel development
4.5 Effects of initial bed slope
4.5.1 Channels in bare sloping mudflat
4.5.2 Coupled development of tidal channels and salt marshes
4.5.3 Vegetation contributions on sloping beds
4.6 Key factors for the efficient drainage system
4.7 Conclusions
Chapter 5 General conclusions and future work
Bibliography
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