声明
论文说明
ABSTRACT
摘要
Table of Content
Chapter Ⅰ General Introduction
1．Background
2．Literature Review
3．Objectives，subjects and significance
3．1．Research objectives
3．2．Research subjects
3．3．Research significance
3．4．Feasibility analysis
3．5．Limitations and scope of research
Chapter Ⅱ Materials and Methods
1．Study Areas
1．1．The Yangtze River(Changjiang)
1．2．The Yellow River
1．3．The Pearl River
1．4．The Mekong River
2．Methodologies
2．1．Time series analysis for hydrological and sediments distribution
2．2．River basin residence time and sediment trapping efficiency by large reservoirs
2．3．Research scheme and framework
Chapter Ⅲ Sediment in the River Basin
1．Temporal variations of sediment load in river basins
1．1．Sediment change in the Yangtze River
1．2．Sediment change in the Yellow River
1．3．Sediment change in the Pearl River
1．4．Sediment change in the Mekong River
2．Sediment delivery response to the catchment disturbance
3．Influenee of decreased sediment load on the ocean
4．Summary
Chapter Ⅳ Sediment Trapping Efficiency
1．Estimation of sediment trapping efficiency of individual sub-basins
2．Sediment delivery to the dam
3．Total trapped sediments amount by dams／reservoirs
4．Implications for basin-wide sediment delivery
5．Summary
Chapter Ⅴ Conclusion
Reference
Acknowledgments
Abbreviation
Author’s Introduction
