Monitoring and assessment of emergent water transportation and ecological improvement in the lower reaches of the Tarim River

Through analyzing water quantity of surface water cross-sections, field data of 12 groundwater monitoring sections and 33 vegetation sample plots during the 5 times of emergent water conveyance in the lower Tarim River, the relationship between groundwater restoration and vegetation response is to be found out. It shows that the 5 emergent water transportations play an active part in the restoration of the groundwater. The groundwater level raises 4.0m averagely in a distance of 1?000?m across the river, and the distance of vegetation response extends to 900?m. Along the river, the groundwater level upstream of the Alagan section is preliminarily rehabilitated, and the growth of vegetation changes obviously. The groundwater level upstream is slightly affected by the emergent water transportation, and the groundwater level downstream of the Yilabujima section is hardly rehabilitated.