Hydraulics 1 : A branch of engineering which comprises the study of the flow of fluids, especially the flow of water in rivers, canals, etc., and which is, therefore, a branch of applied hydrodynamics
Intergovernmental Oceanographic Commission IOC technical series 37, Tsunami Glossary (A glossary of terms and acronyms used in the tsunami literature - English), , United Nations Educational, Scientific and Cultural Organization UNESCO, Paris, France 1991. http://unesdoc.unesco.org/images/0008/000885/08853 8eb.pdf, (ND/ Tsunami Sci - Brit) {590}