CHAPTERⅠ
1.1 INTRODUCTION
1.1.1 Uzbekistan:geographical location, climate conditions, economic-social attributes
1.1.2 Current forestry condition and State Forestry Committee in Uzbekistan
1.2 Target, objectives, hypothesis
1.3 Structure of the thesis
CHAPTER Ⅱ TREND ANALYSIS OF VEGETATION
2.1 Methods
2.1.1 Collecting and processing data
2.1.2 Maximum Value Composite (MVC)
2.1.3 Mann-Kendall test
2.1.4 Sen's Slope estimator test
2.2 Results and discussion
2.2.1 Spatial distribution of NDVI
2.2.2Trends in NDVI
2.2.3 Seasonal trends in NDVI
CHAPTER Ⅲ Trend analysis of climate change
3.1 Methods
3.1.1 Collecting and processing data
3.1.2 Delta downscaling framework
3.1.3 Schematic mapping the data
3.1.4 Extracting data in the study area
3.2 Results and discussion
3.2.1 Mean monthly data evaluation
3.2.2 Trends in monthly precipitation
3.2.3 Trends in monthly solar radiation
3.2.4 Trends in monthly mean temperature
CHAPTER Ⅳ Attribution of vegetation change
4.1 Methods
4.1.1 Pearson correlation coefficient
4.1.2 Regression model building (one-factor regression and multiple-factor regression)
4.1.3 Attribution of vegetation with climate
4.2 Results and discussion
4.2.1 Pearson correlation
4.2.2 Regression analysis and attribution of vegetation
DISCUSSION
Changes of vegetation and climate variables
Attribution of vegetation
NDVI versus precipitation
NDVI versus solar radiation
NDVI versus temperature
Quantitative analysis
CONCLUSION
参考文献
致谢
西北农林科技大学;
