Abstract

The method using indicators has been applied and is applying in different branches of many countries in the world. Especially, it is popularly used as a specialized method for solving different tasks in hydrogeological karstic studies, speleological studies, such as determination of the existence of underground flows, boundary of catchments, information on contamination sources, etc.

This paper presents techniques, experimental stages of indicators, results and possibility of applying indicators in experiment in hydrogeological karstic studies in Việt Nam.