reference: ISO/TC 113/SC 1
title: Velocity area methods
scope: Standardization of methods and procedures relating to techniques for the hydrometric determination of :<P>
  
  a) water level, velocity, cross sectional area and bathymetry for discharge determination in open channels;<P>
  
  b) water level and volume in lakes and reservoirs; and<P>
  
  c) related issues