Policy and Technical Guidance on Discharge Measurements using Acoustic Doppler Current Profilers OFFICE OF SURFACE WATER TECHNICAL MEMORANDUM 2002.02 SUBJECT: Policy and Technical Guidance on Discharge Measurements using Acoustic Doppler Current Profilers THIS DOCUMENT SUPERCEDES OSW TECHNICAL MEMORANDUM NO. 96.02 Attachment J. Michael Norris Acting Chief, Office of Surface Water mnorris@usgs.gov (703) 648-530