Memo No. |
Subject |
pdf |
html |
2017.13 |
Identification, Correction, and Revision of Discharges Measured with SxS Pro |
pdf |
-- |
2017.12 |
Methods for Quantifying Streamflow Measurement Uncertainty for Measurements Stored in the National Water Information System |
pdf |
-- |
2017.08 |
SonTek 1500 kHz SL 3Gs Data Quality Problems |
pdf |
-- |
2017.04 |
Policy for Minimum Required Software and Firmware for Collection
and Process of Streamflow Measurements with Hydroacoustic
Instruments |
pdf |
-- |
2017.03 |
Policy and guidance for shifting and check measurement practices
when using the index-velocity method |
pdf |
-- |
2017.02 |
Mandatory use of QRev for processing moving-boat streamflow
measurements made with acoustic Doppler current profilers and
stored in the National Water Information System |
pdf |
-- |
2017.01 |
Use of the FlowTracker2 ADV for Streamflow Measurements |
pdf |
-- |
2016.03 |
Release and use of QRev for processing moving-boat streamflow
measurements made with acoustic Doppler current profilers |
pdf |
-- |
2016.02 |
Quality Assurance Practices for the Mitigation of Systematic
Discharge Measurement Errors |
pdf |
-- |
2015.05 |
Minimum requirements for documenting stage-area and
index-velocity ratings for computation of streamflow records using
the index velocity method |
pdf |
-- |
2014.09 |
Discontinuation of Use of Environmental Measurements in SWAMI |
pdf |
html |
2014.08 |
Policy for the Timely Correction of Time-series Data Displayed
on the NWISWeb -- Includes policy on storing 1-min index
velocity data in NWIS |
pdf |
-- |
2014.05 |
Publication of Version 2, December 2013 of the Techniques and
Methods Report Book 3-Section A22 "Measuring Discharge with Acoustic Doppler
Current Profilers from a Moving Boat" and associated policy and
guidance for moving boat discharge measurements. |
pdf |
html |
2014.04 |
Quality Assurance Checks of Acoustic Doppler Current Profilers |
pdf |
html |
2014.02 |
Policy on Required Minimum Screening Distance for the
RiverSurveyor M9 |
pdf
|
-- |
2013.04 |
Validation of new ADCPs and their use in Water Programs
|
pdf
|
-- |
2012.04
|
Publication of the Techniques and Methods Report Book 3-Section
A23 Computing
Discharge Using the Index Velocity Method and important
policy and guidance for index velocity stations
|
pdf
|
html |
2012.01 |
Processing ADCP Discharge Measurements On-site and Performing
ADCP Check Measurements |
pdf |
html |
2011.08 |
Exposure Time for ADCP Moving-boat Discharge Measurements Made
During Steady Flow Conditions |
pdf |
-- |
2011.04 |
Policy on the Use of Hydroacoustic Software and Firmware |
pdf |
html |
2010.07 |
Independent Water Temperature Measurement for Hydroacoustic
Measurements |
pdf |
html |
2010.06 |
FlowTracker Diagnostic Test Policy |
pdf |
html |
2010.02 |
Flow Meter Quality-Assurance Check - SonTek/YSI FlowTracker
Acoustic Doppler Velocimeter |
pdf |
html |
2009.05 |
Publication of the Techniques and Methods Report Book 3-Section
A22, "Measuring
Discharge with Acoustic Doppler Current Profilers from a
Moving Boat" and associated policy and guidance for
moving boat discharge measurements |
pdf |
html |
2009.04 |
Application of FlowTracker firmware and software mounting
correction factor for potential bias |
pdf |
html |
2009.02 |
Release of WinRiver II Software (version 2.04) for Computing
Streamflow from Acoustic Doppler Current Profiler Data |
pdf |
-- |
2008.03 |
Hydroacoustics Work Group - Charter, Membership, and Activities |
pdf |
html |
2008.02 |
Upgrade for Rio Grande/Workhorse Firmware to Address Potential
Bias in Discharges Measured Using Water Mode 12 |
pdf |
html |
2008.01 |
Release of WinRiver II Software (version 2.00) for Computing
Streamflow from Acoustic Profiler Data |
pdf |
html |
2007.01 |
SonTek/YSI FlowTracker firmware version 3.10 and software
version 2.11 upgrades and additional policy on the use of
FlowTrackers for discharge measurements |
pdf |
html |
2006.04 |
Guidance on the use of the Loop Method** and release
of "Application
of the Loop Method for Correcting Acoustic Doppler Current
Profiler Discharge Measurements Biased by Sediment Transport."
[Revised Appendix
for SIR 2006-5079] |
pdf |
html |
2006.02 |
Quality-Assurance
Plan for Discharge Measurements Using Acoustic Doppler Current
Profilers |
pdf |
html |
2005.08 |
Policy and Guidance for Archiving Electronic Discharge
Measurement Data |
pdf |
html |
2005.05 |
Guidance on the use of RD Instruments StreamPro Acoustic Doppler
Profiler |
pdf |
html |
2005.04 |
Release of WinRiver Software version 10.06 for Computing
Streamflow from Acoustic Profiler Data |
pdf |
html |
2004.04 |
Policy on the use of the FlowTracker for discharge measurements |
pdf |
-- |
2003.04 |
Release of WinRiver Software Version 10.05 for Computing
Streamflow from Acoustic Profiler Data |
pdf |
html |
2003.01 |
Discharges computed using Sontek RiverSurveyor Acoustic Doppler
Current Profiler |
pdf |
html |
2002.03 |
Release of WinRiver Software (version 10.03) for Computing
Streamflow from Acoustic Profiler Data |
pdf |
html |
2002.02 |
Policy and Technical Guidance on Discharge Measurements using
Acoustic Doppler Current Profilers |
pdf |
html |
2002.01 |
Configuration of Acoustic Profilers (RD Instruments) for
Measurement of Streamflow |
pdf |
html |
-- |
National Coordination and Support for Hydroacoustic Activities |
pdf |
-- |
2000.03 |
Software for Computing Streamflow from Acoustic Profiler Data |
-- |
html |
1997.02 |
National Coordination and Support for ADCP Activities |
-- |
html |
1996.01 |
Distribution of OFR 95-701, Quality Assurance Plan for Discharge
Measurements Using Broadband Acoustic Doppler Current Profilers |
-- |
html |