3 edition of Computer programs for computing particle-size statistics of fluvial sediments found in the catalog.
Computer programs for computing particle-size statistics of fluvial sediments
Herbert H. Stevens
1986 by U.S. Geological Survey, Open-File Services Section, Western Distribution Branch, U.S. Geological Survey [distributor] in Denver, Colo .
Written in English
Bibliography: p. 17.
|Statement||by Herbert H. Stevens, Jr. and David W. Hubbell.|
|Series||Water-resources investigations report -- 86-4141.|
|Contributions||Hubbell, David Wellington, 1925-, Geological Survey (U.S.)|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
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Get this from a library. Computer programs for computing particle-size statistics of fluvial sediments. [Herbert H Stevens; David Wellington Hubbell; Geological Survey (U.S.)]. Porterfield, George,Computation of fluvial-sediment discharge: Techniques of Water-Resources Investigations of the U.S.
Geological Survey, Book 3, Chapter C3. Stevens, Herbert H., Jr.,Computer program for the computation of total sediment discharge: Techniques of Water-Resources Investigations of the U.S. Geological Survey, This could be done by computing E.
coli loads in Berger Ditch and relating the loads to book 5, chap. C1, 58 p. Hach Company,Water analysis handbook: Loveland, Colo., p.Computer programs for computing particle-size statistics of fluvial sediments: U.S.
Geological Survey Water-Resources Investigations Report 86– The particle size distribution (PSD) was measured with a Spectrex laser particle counter (Spectrex, model PC, Redwood City, USA).
The size spectra were determined for 1 μm range. SW Validation of new ADCPs and their use in Water Programs. SW Creation of Sediment Acoustic Leadership Team (SALT) SW 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.
Threshold bed shear stress refers to the tractive force per unit area on the bed floor above which a particle of a given size is mobilized (), and, in contrast to threshold velocity, is the standard parameter used to predict the onset of sediment shear stress is based on an analysis of the hydraulic forces on bed particles in a flowing river, including a stabilizing resistive force Cited by: 1.
FORTRAN program for calculation of grain-size textural parameters on the IBM computer Article in Sedimentology 2(1) - 90 June with 34 Reads How we measure 'reads'. COVID campus closures: see options for getting or retaining Remote Access to subscribed contentCited by: A Manual to Identify Sources of Fluvial Sediment EPA//R/ The methods outlined below in more detail are those that we have found particularly helpful in the early stages of designing sediment budgets.
Existing Studies and Exp. owledge Many watersheds with sediment problems have been part of state priority watershed programs.
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represents particle size (in mm) and the subscript “80” denotes 80%. The D50 is the median point of the distribution that divides the distribution in two equal parts. The particle size for which 25% of the distribution is finer is the 25th percentile, or the D The D25 and D75 are also called quartiles.
Theoretically, any percentile value. Nitrate uptake by benthic algae appears to account for a small portion of the NO3- removal.
Laboratory experiments suggest that most of the nitrate disappearance from the river reaches is caused by bacterial denitrification and nitrate reduction in stream sediments.
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Key words: Tectonic geomorphology, earthquake geology, topography. INTRODUCTION Earthquake-related displacements of topography and subsequent surface process responses have meters of magnitude typically and occur across fault zones 10s to s.
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Sediments in aqueous systems are of increasing interest to academics, researchers, practitioners and stakeholders around the world. This book not only covers the characteristics of the sediments themselves, but also their physico-chemical impact on aquatic.
A Manifesto Concerning the Legal Protection of Computer Programs: Why Existing Laws Fail To Provide Adequate Protection. ASTM Standard D, “Standard test method for particle size analysis of soils”, Annual Book of ASTM Standards,ASTM International, West Conshohocken, PA, USA, International Journal of Soft Computing.
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Sediments less than mm diameter were found to be accumulating basinwide in spawning areas influenced by logging road sediments. This subtle buildup of intragravel sediments was positively correlated (1 percent level) with percent of subbasin clearcut, miles of logging road per basin square mile, and percentage of basin area in roads.
The three major particles types in the bay were particles associated with the stormwater runoff, phytoplankton in the water column, and resuspended sediments. Water quality and particle-size distribution were characterized from urban-stormwater runoff from two storms that indicated potential relationships between zinc (Zn)/organic carbon and.
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Showers of sand in China. The Annual of Scientific Discovery or Year-Book of Facts in Science and Art forpp. Southard, R.J. and Mitchell, J.P. Use for microscopic examinations. pollen analysis grain-size analysis Method of studying soils, sediments, sands, or rock by determining the size, distribution, and proportion of selected particles.
grainsize analysis granulometry particle-size analysis sieve-size analysis Analytic technique determining the distribution of the different sizes.Preliminary results show that the maximum sediment strength decreased in the shallow water depth regions in spite of the increase in the sediment gradation and mean particle size.
This likely results from the increasing wave impact on the seabed surface sediments within the shallow water region.