Hydrometric determinations — geophysical logging of boreholes for hydrogeological purposes — considerations and guideline for making measurements

This document outlines technical guidance for conducting borehole geophysical logging operations specifically designed to address groundwater hydrology objectives. The work focuses on measurement considerations and provides a structured framework for practitioners engaged in subsurface water assessment. It details the necessary parameters and methodologies required to ensure data accuracy and reliability when characterizing aquifer properties. The content addresses various logging techniques and their application in interpreting geological formations related to water resource management. It serves as a reference for selecting appropriate measurement tools and interpreting results within the context of hydrogeological studies. The text emphasizes consistency in data collection procedures to support effective groundwater resource evaluation and sustainable development planning. It covers procedural aspects that facilitate the standardization of field operations across different projects and regions. By adhering to these guidelines, professionals can enhance the quality of information obtained from subsurface investigations. The scope extends to covering diverse geological conditions encountered during drilling activities aimed at groundwater exploration. This guidance supports the implementation of uniform practices in data acquisition and analysis for hydrological purposes.