无定河流域地下水更新时间估算
朱芮芮,刘昌明,郑红星
Estimating Residence Time of Groundwater in the Wudinghe River Basin
ZHU Ruirui,LIU Changming,ZHENG Hongxing
地理学报 . 2009, (3): 315 -322 .  DOI: 10.11821/xb200903006