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Lagrangian Observations of Waves and Currents From the River Drifter.

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Title: Lagrangian Observations of Waves and Currents From the River Drifter.
Authors: Postacchini, Matteo1, Centurioni, Luca R.2, Braasch, Lance2, Brocchini, Maurizio1, Vicinanza, Diego3
Source: IEEE Journal of Oceanic Engineering. Jan2016, Vol. 41 Issue 1, p94-104. 11p.
Subjects: Waves (Fluid mechanics), Hydrodynamics, Ocean currents, Velocity, Water currents
Abstract: The working principle and the capabilities of a new platform called the River Drifter are here presented. This technology has applications in the study of the hydrodynamics of coastal areas, rivers, and lakes. The River Drifter was designed for shallow water applications (1 m and deeper) to collect concurrent measurements of surface currents, three-dimensional velocity profiles underneath the device, water depth, and salinity. Here, we discuss how water level displacements can be inferred and used to measure the swell characteristics and to also correct the measured velocity. We also show how the local vorticity field can be computed. As an example application, we describe a study whose goal was to investigate the fate of a polluted river plume and how two River Drifters initially following the same path are characterized by very different final trajectories. The different behaviors of the two drifters are explained in terms of the local flow dynamics, which are strongly influenced by the seabed morphology, forcing the River Drifters to move in different directions. [ABSTRACT FROM PUBLISHER]
Copyright of IEEE Journal of Oceanic Engineering is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 112286139
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Lagrangian Observations of Waves and Currents From the River Drifter.
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  Data: <searchLink fieldCode="AR" term="%22Postacchini%2C+Matteo%22">Postacchini, Matteo</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Centurioni%2C+Luca+R%2E%22">Centurioni, Luca R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Braasch%2C+Lance%22">Braasch, Lance</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Brocchini%2C+Maurizio%22">Brocchini, Maurizio</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Vicinanza%2C+Diego%22">Vicinanza, Diego</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="DE" term="%22Waves+%28Fluid+mechanics%29%22">Waves (Fluid mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean+currents%22">Ocean currents</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity%22">Velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Water+currents%22">Water currents</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The working principle and the capabilities of a new platform called the River Drifter are here presented. This technology has applications in the study of the hydrodynamics of coastal areas, rivers, and lakes. The River Drifter was designed for shallow water applications (1 m and deeper) to collect concurrent measurements of surface currents, three-dimensional velocity profiles underneath the device, water depth, and salinity. Here, we discuss how water level displacements can be inferred and used to measure the swell characteristics and to also correct the measured velocity. We also show how the local vorticity field can be computed. As an example application, we describe a study whose goal was to investigate the fate of a polluted river plume and how two River Drifters initially following the same path are characterized by very different final trajectories. The different behaviors of the two drifters are explained in terms of the local flow dynamics, which are strongly influenced by the seabed morphology, forcing the River Drifters to move in different directions. [ABSTRACT FROM PUBLISHER]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Journal of Oceanic Engineering is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=112286139
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1109/JOE.2015.2418171
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 94
    Subjects:
      – SubjectFull: Waves (Fluid mechanics)
        Type: general
      – SubjectFull: Hydrodynamics
        Type: general
      – SubjectFull: Ocean currents
        Type: general
      – SubjectFull: Velocity
        Type: general
      – SubjectFull: Water currents
        Type: general
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      – TitleFull: Lagrangian Observations of Waves and Currents From the River Drifter.
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            NameFull: Centurioni, Luca R.
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            NameFull: Braasch, Lance
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            NameFull: Brocchini, Maurizio
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            NameFull: Vicinanza, Diego
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            – D: 01
              M: 01
              Text: Jan2016
              Type: published
              Y: 2016
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              Value: 41
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            – TitleFull: IEEE Journal of Oceanic Engineering
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