生态输水后民勤盆地绿洲适宜规模及结构变化

李森, 王涛, 张志山, 颜长珍, 毛忠超

The suitable scale and structural change of oasis in Minqin Basin after ecological water conveyance project construction

Sen Li, Tao Wang, Zhishan Zhang, Changzhen Yan, Zhongchao Mao

表4 生态输水前后民勤盆地绿洲实际结构及适宜结构

Table 4 Actual structure and suitable structure of oasis in Minqin Basin before and after ecological water transfer

年份 实际耕地面积/km2 适宜耕地面积/km2 过渡带适宜宽度/km 过渡带实际宽度/km H0=0.5 H0=0.75 H0=0.5 H0=0.75 2000 1 056.49 246.55 242.72 3.73 1.38 1.18 2006 1 192.08 396.41 388.97 3.28 0.58 1.04 2010 1 166.24 516.77 516.90 3.89 0.65 0.98 2015 1 003.86 530.20 523.13 4.24 1.00 3.15