The study of water flow; in particular flow parameters such as water surface height, water depth, duration and velocity across a floodplain and/or river or stream
Australian Government, State Government (Victoria), Victoria State Emergency Service SES, Flood Victoria, Glossary and Abbreviations, Victoria, Australia 2012. http://www.floodvictoria.vic.gov.au/centric/learn_ about_flooding/glossary_and_abbreviations/glossary _of_terms.jsp, (ND Emr/ Flood - Brit) {906}