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  • Definitions of coastal terms
    See also: [[Characteristics of sedimentary shores]], [[Classification of sandy coastlines]], [[Morpholo ...pative beaches to <math>\Omega > 6</math>. See [[Shoreface profile]] and [[Characteristics of sedimentary shores]].
    79 KB (11,862 words) - 21:40, 1 April 2024
  • Argus video monitoring system
    ...ents were relatively expensive and that there was only a limited amount of instrument positions in traditional field experiments. A synoptical pattern is thus di ...e series of pixel intensities, typically at 2 Hz, with which wave and flow characteristics can be investigated.
    13 KB (1,959 words) - 15:21, 6 April 2021
  • Use of Lidar for coastal habitat mapping
    The choice of a particular Lidar system and its characteristics will also influence the ratio of cost, surface area covered and measurement ...flying at heights of not less than 200 metres. Dot density depends on the instrument frequency and flight altitude. Recent topographic Lidars scan at frequencie
    15 KB (2,393 words) - 22:55, 9 October 2023
  • Manual Sediment Transport Measurements in Rivers, Estuaries and Coastal Seas
    * 5.2: [[Instrument Characteristics of point-integrating suspended load samplers]]
    5 KB (654 words) - 20:48, 19 August 2020
  • Reduction of uncertainties through Data Model Integration (DMI)
    # instrument drift, ...ation of the so-called “uncertainty model”. The better the uncertainty characteristics of the model and its various parameters, and data series, etc. are known, t
    22 KB (3,245 words) - 17:54, 2 July 2020
  • Instrument characteristics of point-integrating suspended load samplers
    ...: Delft Hydraulics Laboratory</ref>. This article provides insight in some characteristics of point-integrating [[suspended load]] samplers. Methods to sample [[suspe ==Characteristics==
    4 KB (599 words) - 16:38, 19 August 2020
  • Guidelines for selection of sediment transport samplers
    ==Selection of sampling instrument== To select the most appropriate sampling instrument, quantitative information of the physical parameters to be measured should
    6 KB (807 words) - 14:38, 19 August 2020
  • Measuring instruments for rivers
    ...150 mg/l for fines (mud/silt) and 500 mg/l for sand particles. Hence, the instrument cannot be used in high-concentration conditions (close to bed; upper flow r *[[Instrument characteristics of point-integrating suspended load samplers]]
    4 KB (591 words) - 20:17, 29 June 2019
  • Measuring instruments for estuaries
    ...locculated aggregates (low concentrations <150 mg/l) in on-line mode. This instrument (LISST-ST) is not yet suitable for long-term, stand-alone measurements due *[[Instrument characteristics of point-integrating suspended load samplers]]
    4 KB (457 words) - 20:13, 29 June 2019
  • Measuring instruments for coasts
    A typical instrument package attached to a stand-alone tripod in coastal environments is, as fol ...ory flow conditions to prevent scour of bed material. The free span of the instrument supports and legs should always be as large as possible to allow measuremen
    12 KB (1,782 words) - 11:43, 7 September 2020
  • Measuring instruments for sediment transport
    ...means continuous sampling over the water depth by lowering and raising the instrument at a constant transit rate. ...fraction instruments (LISST)|Laser diffraction instrument (LISST)]]. This instrument can measure the particle size distribution and sediment concentration simul
    27 KB (3,920 words) - 22:17, 19 August 2020
  • Measuring instruments for particle size and fall velocity
    Because of the wide range of particle characteristics, particle size usually needs to be defined in terms of the method of analys * <u>Instrument characteristics</u>: The most important characteristics (size range, required sample quantity and analysis period) of the various m
    18 KB (2,803 words) - 20:15, 29 June 2019
  • Measuring instruments for fluid velocity, pressure and wave height
    ===Velocities and bed-shear stresses, instrument characteristics and accuracies=== ...a mooring rig, on a buoy or on any other fixed structure. It is a complete instrument and includes all the parts required for a self-contained deployment with da
    10 KB (1,442 words) - 20:14, 29 June 2019
  • Instrument Characteristics of point-integrating suspended load samplers
    #REDIRECT [[Instrument Characteristics of Point-Integrating Suspended Load Samplers]]
    85 bytes (8 words) - 15:49, 29 May 2007
  • USP-61 suspended load sampler
    ...silt and/or sand concentrations. The USP-61 is an example of a mechanical instrument. Dijkman, J.(1978) ''Some Characteristics of the USP-61 and Delft Bottle''. Delft University of Technology, Dep. o
    5 KB (673 words) - 17:07, 23 August 2020
  • Delft Bottle suspended load sampler
    ...nd particles larger than about 100 um settle inside the bottle. Using this instrument, the local average sand transport is measured directly. ...ocity) varies from 1 to 1.5 (Dijkman, 1978<ref>Dijkman, J., 1978. ''Some Characteristics of the USP-61 and Delft Bottle''. Delft University of Technology, Dep. o
    6 KB (808 words) - 14:08, 19 August 2020
  • General principles of optical and acoustical instruments
    in which: k<sub>1</sub> = calibration constant depending on instrument characteristics, fluid properties and travel distance (l), k<sub>2</sub> = calibration cons in which: k<sub>3</sub> = calibration constant depending on instrument characteristics, fluid and particle properties (size, shape), wave length and travel distan
    9 KB (1,204 words) - 17:09, 26 October 2020
  • Acoustic point sensors (ASTM, UHCM, ADV)
    ...oncentration in a point. The USTM or ASTM (Figures 1 and 2) is an acoustic instrument for measuring the flow velocity in 1 or 2 horizontal dimensions and the san ...z has been chosen to minimize the particle size dependency and to make the instrument insensitive to silt particles (< 50 um). The influence of temperature and s
    12 KB (1,685 words) - 16:25, 8 September 2020
  • Acoustic backscatter profiling sensors (ABS)
    ...<ref>Smerdon, A.M., Rees, J.M. and Vincent, C.E..''An acoustic backscatter instrument to measure near-bed sediment processes''. http://www.aquatecgroup.com.</ref ...5646figure1.jpg|thumb|300px|right|Figure 1: Acoustic backscatter profiling instrument(ABS)]]
    22 KB (3,217 words) - 11:14, 9 September 2020
  • Currents and turbulence by acoustic methods
    ...s to estimate turbulence. One method is to estimate turbulence by a single instrument, an Acoustic Doppler Current Profilers (ADCP), combining the variance metho The advantage of the ADCP is its simplicity and versatility. The instrument is simple to set and use and will allow you to have a full water column est
    22 KB (3,631 words) - 22:30, 25 October 2020

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