Hydrometry presents a thorough introduction to the measurement of flow in open channels. Dealing with traditional techniques as well as innovative new methods and instruments, the text is in line with the latest ISO standards. It discusses the main themes of hydrometry- the measurement of water levels and bed levels as well as the measurement of discharge and sediment transport. The book considers the use of flow measurement structures, hydrological networks, and the organization of river surveys. The author has extensive experience in teaching students from many countries and backgrounds. He has distilled this experience into a clear and comprehensive account of hydrology and water resource management.