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Hydrometry is the monitoring of the components of the hydrological cycle including rainfall, groundwater characteristics, as well as water quality and flow characteristics of surface waters.[1] The etymology of the term hydrometry is from Greek: ὕδωρ (hydor) 'water' + μέτρον (metron) 'measure'.

Hydrometrics is a topic in applied science and engineering dealing with Hydrometry. It is an engineering discipline encompassing several different areas. This discipline is primarily related to hydrology but specializing in the measurement of components of the hydrological cycle particularly the bulk quantification of water resources. It encompasses several areas of traditional engineering practices including hydrology, structures, control systems, computer sciences, data management and communications. The International Organization for Standardization formally defines hydrometry as "science of the measurement of water including the methods, techniques and instrumentation used".[2]

See also[edit]

  • Environmental science – The integrated, quantitative, and interdisciplinary approach to the study of environmental systems.
  • Stream gauge – Location used to monitor surface water flow
  • Hydrology – Science of the movement, distribution, and quality of water on Earth and other planets
  • Water pollution – Contamination of water bodies
  • Environment Agency – Non-departmental public body in the UK


  1. ^ Boiten, Wubbo (2000). Hydrometry. IHE Delft Lecture Note Series. Taylor & Francis. ISBN 9789054104193. ISSN 1567-7052.
  2. ^ ISO 772:2011 Hydrometry - Vocabulary and symbols. International Organization of Standardization.