声明
CHAPTER 1 INTRODUCTION
1.1 Definition and Types of Drought
1.2 Drought and Agricultural Drought Impacts Assessment
1.2.1 Drought Impacts
1.2.2 Drought and Agricultural Drought Assessment
1.3 Drought Characteristics Analysis
1.4 Research problems
1.5 Significance of the Study
1.6 Description of Thesis
CHAPTER 2 MATERIALS AND METHODOLOGY
2.1 Definitions of Drought Indices
2.2 Drought Indices used for this study
2.2.1 Standardized Precipitation Index(SPI) and Standardized Soil Moisture Index(SSI)
2.3 Study Area
2.4 Data
2.4.1 ERA-Interim
2.4.2 Grid Precipitation Data
2.4.3 Observation Data
2.5 Validation Criteria
2.6 Trend Analysis Assessment
2.6.1 Modified Mann-Kendall Test
2.6.2 Theil-Sen Method
2.6.3 Linear Regression
2.7 Correlation Analysis
CHAPTER 3 RESULTS
3.1 Validation of Precipitation and Relative Soil Moisture
3.2 Temporal Variation of Precipitation and Relative Soil Moisture
3.3 Spatial Distribution of Precipitation and Relative Soil Moisture
3.3.1 Monthly Analysis
3.3.2 Seasonal and Annual Analysis
3.4 Temporal Analysis of SPI and SSI
3.5 Statistical Analysis of SPI and SSI
3.5.1 Trend Analysis
3.5.2 Correlation Analysis
CHAPTER 4 CONCLUSIONS, DISCUSSIONS, AND RECOMMENDATIONS
4.1 Conclusions
4.2 Discussions
4.3 Recommendations
APPENDICES
参考文献
致谢
AUTHOR BIOGRAPHY