青藏高原东北部蒸散发时空分布特征及其影响因素的研究.docx
青藏高原东北部蒸散发时空分布特征及其影响因素的研究
目录
内容综述................................................3
1.1研究背景...............................................3
1.2研究意义...............................................4
1.3研究方法...............................................4
青藏高原东北部概况......................................5
2.1地理位置与气候特征.....................................6
2.2生态环境与植被类型.....................................6
2.3蒸散发时空分布的重要性.................................7
蒸散发时空分布特征......................................8
影响蒸散发时空分布的因素分析............................8
4.1气候因素...............................................9
4.2植被因素..............................................10
4.2.1植被覆盖度..........................................11
4.2.2植被类型............................................12
4.3地形因素..............................................13
4.3.1地形坡度............................................14
4.3.2地形坡向............................................14
4.3.3地形高度............................................15
4.4土壤因素..............................................16
4.4.1土壤质地............................................16
4.4.2土壤湿度............................................17
蒸散发时空分布模拟与验证...............................18
5.1模型构建..............................................19
5.1.1选择模型............................................20
5.1.2输入数据准备........................................21
5.2模拟结果分析..........................................21
5.3模拟结果验证..........................................22
蒸散发时空分布的影响评估...............................23
6.1生态环境影响..........................................24
6.1.1植被生长............................................25
6.1.2水资源利用..........................................26
6.2社会影响..............................................26
6.2.1农业生产............................................27
6.2.2水资源分配..........................................28
青藏高原东北部蒸散发时空分布的调控策略.................29
7.1植被恢复与重建........................................29
7.2水资源管理.............