Therefore, the 87Sr/86Sr ratio can reflect the formation, runoff and mixing of underground water and hence is an ideal tracer with a wide application vista in karst water research.

• 说明87Sr/86Sr值能反映地下水的形成、径流和混合作用,是较理想的示踪剂,在岩溶水研究中具有很广阔的应用前景。