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3 生态输水前后民勤盆地绿洲适宜规模及稳定性

Table 3 Suitable scale and stability of oasis in Minqin Basin before and after ecological water transfer

年份 参考作物蒸发蒸腾量/mm 降水量/mm 绿洲适宜规模/km2 绿洲实际规模/km2 稳定性指数 H0=0.5 H0=0.75 2000 765.50 122.20 550.05 366.70 1 143.91 0.24 2006 889.60 126.80 738.17 492.11 1 268.04 0.29 2010 907.90 111.80 977.84 651.90 1 264.80 0.39 2015 860.60 122.00 1 037.31 691.54 1 130.26 0.46