hüdromeetria
teadusharu, mis tegeleb veekogusid (jõgesid, järvi, ka soid) iseloomustavate suuruste mõõtmisega, science of the measurement and analysis of the water cycle including methods, techniques and instrumentation used in hydrology, monitoring of the components of the hydrological cycle including rainfall, groundwater characteristics, as well as water quality and flow characteristics of surface waters
