Measurement of discharge by the moving-boat method

by George F. Smoot

Publisher: U.S. Govt. Print. Off., Publisher: For sale by the Superintendent of Documents in Washington, D.C

Written in English
Published: Pages: 22 Downloads: 135
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Subjects:

  • Stream measurements

Edition Notes

Statementby George F. Smoot and Charles E. Novak.
SeriesTechniques of water-resources investigations of the United States Geological Survey -- book 3, chapter A11
ContributionsNovak, Charles E., Geological Survey (U.S.)
The Physical Object
Paginationvi, 22 p. :
Number of Pages22
ID Numbers
Open LibraryOL13568752M
OCLC/WorldCa5910293

A typical recommendation has been the two-point method on 15 verticals. To reduce the time required to make a measurement of discharge in large rivers, Smoot and Novak4 introduced the moving boat method. In this technique a boat traverses a river, being steered so as to keep on a given section line. Organization of This Book Summary Moving Boat Method Computation of Discharge Indirect Methods of Discharge Determination Estimation of Discharge by the Slope-Area Method Estimation of Discharge by Using Artificial Structures Advanced Discharge Measurement Techniques Discharge ratings at gaging stations, by E. J. Kennedy: USGS—TWRI Book 3, Chapter A 59 pages. 3-A Measurement of discharge by the moving-boat method, by G. F. Smoot and C. E. Novak: USGS—TWRI Book 3. The discharge in the channel (in m3/s) is (a) (b) (c) (d) none of these. In the moving-boat method of stream-flow measurement, the essential measurements are: (a) the velocity.

LC and SMBA Updates Office of Surface Water Hydroacoustics Webinar January 6 and 9, David S. Mueller Effect of Change (GPS Reference) Versions Prior to Version Additional Switch in Version Rules in Version Moving-Boat measurements Default: Box unchecked Depths ARE NOT screened using bottom track velocity Only affects discharge when using GPS as reference User . Your idea won't work in that form, because to get the water into a bucket (above the water level) you will have to pump it in, and that tells you nothing. There is no easy way. The problem is that the velocity of the water depends enormously on wh. Abstract. A two-dimensional tidal model for shallow waters using measured velocity cross-profiles on the open boundaries is described. Comparisons of numerical results with measured field-data are performed. The influence of model parameters on the calculated flow fields is discussed.   There are several ways to calculate the flow rate of a river: * The traditional method: start defining a cross section stretching a line across the stream. Then, at regular intervals along the cross section you measure the depth of water, a gradua.

TWI 3-A1. General field and office procedures for indirect discharge measurements, by M. A. Benson and Tate Dalrymplc. 30 pages. TWI 3-A2. Measurement of peak discharge by the slope-area method, by Tate Dalrymple and M. A. Benson. 12 pages. TWI 3-A3. Measurement of peak discharge at. culverts by indirect methods, by G. L. Bodhaine.   Streamflow is the combined result of all climatological and geographical factors that operate in a drainage basin. It is the only phase of the hydrological cycle in which the water is confined in well-defined channels which permit accurate measurements to be made of the quantities involved. l COMPUTATION OF WATER-SURFACE PROFILES IN OPEN CHANNELS By Jacob Davidian Book 3 Measurement of discharge by moving-boat method, by G. F. Smoot and C. E. Novak. 22 pages. COMPUTATION OF WATER-SURFACE PROFILES IN OPEN CHANNELS. A.   c. Chapter A4, Muttahai, H.F. , Measurement of peak discharge at width contractions by indirect methods; d. Chapter A5, Hulsing, Harry, , .

Measurement of discharge by the moving-boat method by George F. Smoot Download PDF EPUB FB2

MEASUREMENT OF DISCHARGE BY THE MOVING-BOAT METHOD. Figure I.-Velocity vectors. the angle the vane makes with the cross- section path, defines the direction of the vector. Stream velocity, V, perpendicular to the boat path (true course) at each sampling point, 2, 3, 4.

PDF | On Jan 1,George F. Smoot and others published Measurement of Discharge by the Moving-Boat Method | Find, read and cite all the research you need on ResearchGate. Get this from a library. Measurement of discharge by the moving-boat method. [George F Smoot; Charles E Novak; Geological Survey (U.S.)] -- Describes procedures for measuring discharge in large streams by running a boat across the stream while taking sonic sounder recordings and current meter readings of the combined stream and boat.

Suggested citation: _____, Measurement of discharge by the moving-boat method: U.S. Geological Survey Techniques of Water-Resources Investigations, book 3, chap. A11, 22 p. In Reply Refer To: Mail Stop Ap Memorandum. OFFICE OF SURFACE WATER TECHNICAL MEMORANDUM SUBJECT: 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.

The use of acoustic Doppler current profilers (ADCPs) from a moving boat is now a commonly used method for measuring streamflow. The technology and methods for making ADCP-based discharge measurements are different from the technology and methods used to make traditional discharge measurements with mechanical meters.

Although the ADCP is a valuable tool for measuring. Measurement and Computation of Streamflow: Volume 1. Measurement of Stage C. E.,Measurement of discharge by the moving-boat method: U.S. Geol. Survey Techniques Water Resources Inv., book 3, chap.

All, 22 p. CHAPTER MEASUREMENT OF DISCHARGE BY TRACER DILUTION GENERAL The measurement of stream discharge by dilution methods depends. DISCHARGE MEASUREMENT. Gauging Station is a location on a stream where records of water quantity (and sometimes quality) are systematically obtained.

It is also called an hydrometric station. Purposes Runoff volume data for storage or water licensing. Determining peak flow - time and quantity for spillway, culvert, bridge design. In the moving-boat method of discharge measurement the magnitude (VR) and direction (q) of the velocity of the stream relative to the moving boat are measured.

The depth of the Measurement of discharge by the moving-boat method book is also. For a moving-boat ADCP streamflow measurement, the discharge is not computed directly from the water velocity but rather from the cross product of the water velocity and boat velocity.

(3) χ i, j = (W x (i, j) × B y (i)) − (W y (i, j) × B x (i)) where χ is the cross product and. The median-unbiased estimator has been employed for statistical quality control of moving-boat ADCP streamflow measurements (Huang b), in which two or four observations are common practice.

An innovative automatic stream gaging method. Hydrol., This brief paper presents an extension of the moving boat method whereby intermediate sized,treams may be gaged automatically, by means of a moving meter, by remote control with no operator at the point of the velocity measurement. This paper presents a new moving‐boat method for rapidly measuring river discharge using an acoustic Doppler current profiler (ADCP).

The method uses an ADCP to measure current profiles and boat velocity along transects across a river. Discharge Measurement Data. The data acquired during routine discharge measurements are the basis for all computations of streamflow records.

Doppler Current Profilers from a Moving Boat: USGS Techniques and Methods Book 3, Chapter A22, 72 p. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

The second edition of Streamflow Measurement meets the demands of engineers and managers in the water industry on how to obtain information on the flow in the world's rivers in view of the decreasing availability of usable water. It deals with all aspects of establishing, operating and maintaining streamflow measurement stations to ensure they provide maximum information.

Selection of the appropriate extrapolation methods for computing the discharge in the unmeasured top and bottom parts of a moving-boat acoustic Doppler current profiler (ADCP) streamflow. Estimating Bias Limit of Moving-Boat ADCP Streamflow Measurements The presented method was applied to two types of data sets, as examples of applications.

The results from this study may be used to determine a nominal bias limit for moving-boat ADCP discharge measurements. Recommended. Cited. The second edition of Streamflow Measurement meets the demands of engineers and managers in the water industry on how to obtain information on the flow in the world's rivers in view of the decreasing availability of usable water.

It deals with all aspects of establishing, operating and maintaining streamflow measurement stations to ensure they prov. Measurement and Computation of Streamflow: Volume 1 Measurement of Stage and DischargePaper 1.

Measurement and Computation of Streamflow: Volume 1. Measurement of Stage and Discharge By S. RANTZ and others GEOLOGICAL SURVEY WATER-SUPPLY PAPER UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 2. If different by 10% or more, repeat measurement under the same conditions.

If the computed discharge from the second measurement is within 5% of the first, consult an experienced hydrographer to evaluate the discharge results and rating curve. Determination of Discharge. from. a Moving Boat Using Acoustic Doppler Profilers (ADCP).

The relation reveals that the current RMR criterion of 5% for four transect discharge measurement is equivalent to a REU criterion of % for a single discharge measurement.

View Show abstract. The use of acoustic Doppler current profilers (ADCPs) from a moving boat is now a commonly used method for measuring streamflow. The technology and methods for making ADCP-based discharge measurements are different from the technology and methods used to make traditional discharge measurements with mechanical meters.

SW 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. SW Application of FlowTracker firmware and software mounting correction factor for potential bias.

General field and office procedures for indirect discharge measurement, by M.A. Benson and Tate Dalrymple. 30 pages. TWI 3-A2. Measurement of peak discharge by the slope-area method. by Tate Dalrymple and M.A. Benson. 12 pages. TWI 3-A3.

Measurement of peak discharge at culverts by indirect methods, by G.L. Bodhaine. 60 pages. Chapter A4, Muttahai, H.F.Measurement of peak discharge at width contractions by indirect methods; d. Chapter A5, Hulsing, Harry,Measurement of peak discharge at dams by.

Measurement and Computation of Streamflow: Volume 2 Computation of Discharge Paper 1. Measurement and Computation of Streamflow: Volume 2. Computation of Discharge By S. RANTZ and others GEOLOGICAL SURVEY WATER-SUPPLY PAPER UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 2.

In Reply Refer To: Mail Stop Ap Memorandum. OFFICE OF SURFACE WATER TECHNICAL MEMORANDUM SUBJECT: 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.

Discharge ratings at gaging stations, by E. Kennedy: USGS— TWRI Book 3, Chapter A 59 pages. 3-A Measurement of discharge by the moving-boat method, by G.

Smoot and C. Novak: USGS— TWRI Book 3. 2 Discharge Measurements at Gaging Stations Discharge Measurements at Gaging Stations Procedures for making most types of current-meter [mechanical meters, electromagnetic meters, ADV meters, acoustic digital current meters (ADCs), and so forth)], moving-boat ADCP, and ADCP midsection measurements are described in the following sections.

PUBLICATIONS ON TECHNIQUES OF WATER-RESOURCES INVESTIGATIONS—Continued 3-B4. Regression modeling of ground-water flow, by R.L. Cooley and R.L. Naff: USGS–TWRI book 3, chap. B4. p. 3-B4. Supplement 1. Regression modeling of ground-water flow--Modifications to the computer code for nonlinear regression solution of steady-state ground-water flow problems, by R.L.

.Publication of Version 2, December 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: For the moving boat method a single discharge measurement should consist of a minimum of four transects consisting of reciprocal pairs to identify and eliminate directional bias. Under steady flow conditions, variation in discharge should not exceed 5% from the mean of all transects.

If the variation exceeds 5% then additional paired.