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Saturday, August 1, 2020 | History

2 edition of Measurement of discharge using tracers found in the catalog.

Measurement of discharge using tracers

F. A. Kilpatrick

Measurement of discharge using tracers

by F. A. Kilpatrick

  • 314 Want to read
  • 4 Currently reading

Published by Dept. of the Interior, U.S. Geological Survey, For sale by the Distribution Branch, The Survey in [Reston, Va.?], Alexandria, VA .
Written in English

    Subjects:
  • Stream measurements -- Mathematical models.,
  • Water-supply -- Mathematical models.,
  • Tracers (Chemistry)

  • Edition Notes

    Statementby Frederick A. Kilpatrick and Ernest D. Cobb.
    SeriesTechniques of water-resources investigations of the United States Geological Survey -- ch. A 16.
    ContributionsCobb, Ernest D., Geological Survey (U.S.)
    The Physical Object
    Paginationx, 52 p. :
    Number of Pages52
    ID Numbers
    Open LibraryOL17803209M

    Measurement of flow by dilution methods depends on the determination of the degree of dilution of an added tracer solution by the flow. Dilution methods of measuring discharge have been known since at least [Ref. 11]. Until recently, chemical salts [Ref. 8] were the most commonly used tracers. Radioactive. VELOCITY-AREA DISCHARGE MEASUREMENT INTRODUCTION The objective of this exercise is to familiarize you with the process of conducting a measurement of stream discharge (stream gaging) using the velocity-area method. Discharge, Q, through a cross section is the product of water surface width, B, cross-File Size: 28KB.

    TWRI 3-A2. Measurement of peak discharge by the slope-area method, by Tate Dalrymple and M.A. Benson. 12 pages. TWRI 3-A3. Measurement of peak discharge at culverts by indirect methods, by G.L. Bodhaine. 60 pages. TWRI 3-A4. Measurement of peak discharge at width contractions by indirect methods, by H.F. Matthai. 44 pages.   The approach involves two steps: (1) surface velocity measurement using video imagery techniques, and (2) discharge estimation using a kinematic flow analysis. Surface velocity measurements are made using particle image velocimetry, a well established technique in fluids research for laboratory flow measurement.

    PUBLICATIONS ON TECHNIQUES OF WATER-RESOURCES INVESTIGATIONS--CONTINUED 23 3-AMeasurement of discharge using tracers, by F. A. Kilpatrick and E. D. Cobb: USGS—TWRI Book 3, Chapter A 52 pages. 3-AAcoustic velocity meter systems, by Antonius Laenen: USGS—TWRI Book 3, Chapter A 38 pages. 3-A Water Measurement Manual. The Bureau, Chapter 12Discharge Measurements Using Tracers General Methods of Application Discharge Equations for Tracer Methods A weir discharge measurement consists of measuring depth or head relative to the crest at the proper upstream location in the weir pool, and then using a.


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Measurement of discharge using tracers by F. A. Kilpatrick Download PDF EPUB FB2

MEASUREMENT OF DISCHARGE USING TRACERS Book 3 General field and office procedures for indirect discharge measurement, by M. Benson and Tate Dalrymple.

30 pages. Measurement of discharge using tracers, by F. Kilpatrick. and E. Cobb. File Size: 5MB. Measurement of Discharge Using Tracers. Measurement of Discharge Using Tracers U.S. Geological Survey, Techniques of Water-Resources Investigations, Book 3, Chapter A By Frederick A.

Kilpatrick and Ernest D. Cobb. This report is available as a pdf below. Preface. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

The discharge of the channel flow, Q, is measured by determining C 0, C 1, C 2, and the injection rate, q. These required variables and equation show that the dilution method does not need measurement of channel geometry or time measurement.

Measurement of discharge using tracers: Series title: Open-File Report: Series number: DOI: /ofr Year Published: Language: English: Publisher: U.S. Geological Survey: Description: xiv, 73 p. Google Analytic Metrics: Metrics page: Part or all of this report is presented in Portable Document Format (PDF).

For best. Measurement of discharge rates of fluids and solids is an essential requirement in industrial and environmental systems. Radiotracer techniques are widely used for measurement of fluids/solids in situations where conventional techniques cannot be applied.

The present paper describes application of radiotracer dilution technique to measure the discharge rate of water Cited by: 2. The development of fluorescent dyes and fluorometers that can measure these dyes at very low concentrations has made dye-dilution methods practical for measuring discharge.

These methods are particularly useful for determining discharge under certain flow conditions that are unfavorable for current meter measurements.

These include small streams, canals, and pipes where 1. The simpler but less accurate method using visual observation for tracer cloud detection in pipelines consists of determining the velocity of a dye tracer between two stations in the pipe. This velocity, used as the mean velocity of flow, is multiplied by the cross-sectional area of the pipe to give the discharge as shown in equation Get this from a library.

Measurement of discharge using tracers, revision of [F A Kilpatrick; Ernest D Cobb; Geological Survey (U.S.)]. Measurement of discharge using tracers. States Geological Survey, Book 3, Applications of Hydraulics, Chapter Al6 United States Govern-ment Printing Office Jan Measurement of Discharge Using Tracers.

The United States Geological Survey, Washington, Book 3, Chapter Al6. Flow Measurement in Hydroelectric Stations Using Tracer Dilution Method –.

Tracers are often used in mountain streams with high turbulence and without clearly defined channel. A good tracer needs to be non-reactive, besides it should be as harmless as possible for the environment.

During the field course, we will measure the discharge using sodium chloride or salt (NaCl) as a tracer. USGS. Measurement of Discharge Using Tracers, Applications of Hydraulics, Book 3, Chapter A USGS. Fluorometric Procedures for Dye Tracing, Applications of Hydraulics, Book 3, Chapter A12, Revised.

USGS. Measurement of Time of Travel in Streams by Dye Tracing, Applications of Hydraulics, Book 3, Chapter A9. USGS. The discharge measurement is made using the following equation. (1) where, Q is discharge [M 3 /T], M is the injectate mass [M], C is concentration [M/L 3], and t is time [T].

The denominator term on the right hand side of equation 1 is a simple integration (area under the curve) of the BTC, commonly known as the zeroth moment. An essential part of water conservation is the accurate measurement and regulation of discharges.

We hope that this book will find its way, not only to irrigation engineers and hydro- logists, but also to all others who are actively engaged in the management of water resources.

Any comments which may lead to improved future editions of this book. Measurement and Computation of Streamflow: Volume 1. Measurement of Stage and Discharge By S and Novak, C.

E.,Measurement of discharge by the moving-boat method: U.S. Geol. Survey Techniques Water Resources Inv., book 3, chap. All, 22 p. were usually used as the tracers injected into the streams. The use of salt tracers, on all File Size: KB. reach. To compute a discharge at the first measurement site downstream of the injector, the concentration of the tracer upstream of the injector (C o) and the plateau concentration of the tracer at the measurement site (C 1) must be known (Fig.

It is important that the discharge mea-surement point be located down-stream of the tracer mixing. DISCHARGE-TRACER-DILUTION METHOD CHAPTER MEASUREMENT OF DISCHARGE BY TRACER DILUTION GENERAL The measurement of stream discharge by dilution methods depends on the determination of the degree to which an added tracer is diluted by the flowing water.

Any substance can be used as a tracer if it meets. Using a channel width of 10 feet and an average depth of feet and the discharge calculation becomes 10 ft x ft x ft/sec = cubic ft/sec (cfs) The velocity head rod (VHR) is a fast and inexpensive method of measuring velocity in a stream.

The rod can be a yardstick or meter stick, or it can be made using a 3 - 6 foot long, very. STREAM DISCHARGE MEASUREMENT Dr Nick A Chappell. The discharge of surface or underground streams (see field exercise) is an important environmental variable to measure for several keyone can estimate drought-flows (also called 'lowflows') and flood frequency from a time-series of stream discharge.

Discharge Measurement Structure (ILRI publication) by Bos, M. and a great selection of related books, art and collectibles available now at 1.

Introduction. In the Hydraulic Engineering field, the measurement of effluent dilution is essential when monitoring submarine outfalls in coastal waters during the operational phase. Under typical operational conditions, the effluent dilution field can be determined in situ using artificial tracers techniques, and is useful for impact assessment and regulatory : José Otavio Goulart Pecly, Sandra Regina Caçador Fernandes.Our discharge measurement page describes using the end-depth method for analysis or design of a triangular channel that freely discharges.

The discharge measurement equation shown above is from the International Organization of Standards publication dated (ISO, ).