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Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments
The limitation of traditional sampling method to provide detailed spatial and temporal profiles of suspended sediment concentration has led to an interest in alternative devices and methods based on scattering of underwater sound and light. In the present work, acoustic backscatter and LISST (the La...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Molecular Diversity Preservation International (MDPI)
2008
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3927532/ https://www.ncbi.nlm.nih.gov/pubmed/27879747 |
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author | Meral, Ramazan |
author_facet | Meral, Ramazan |
author_sort | Meral, Ramazan |
collection | PubMed |
description | The limitation of traditional sampling method to provide detailed spatial and temporal profiles of suspended sediment concentration has led to an interest in alternative devices and methods based on scattering of underwater sound and light. In the present work, acoustic backscatter and LISST (the Laser In Situ Scattering Transmissometry) devices, and methodologies were given. Besides a laboratory study was conducted to compare pumping methods for different sediment radiuses at the same concentration. The glass spheres (ballotini) of three different radiuses of 115, 137 and 163 μm were used to obtain suspension in the sediment tower at laboratory. A quite good agreement was obtained between these methods and pumping results with the range at 60.6-94.2% for sediment concentration and 91.3-100% for radius measurements. These results and the other studies show that these methods have potential for research tools for sediment studies. In addition further studies are needed to determine the ability of these methods for sediment measurement under different water and sediment material conditions. |
format | Online Article Text |
id | pubmed-3927532 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2008 |
publisher | Molecular Diversity Preservation International (MDPI) |
record_format | MEDLINE/PubMed |
spelling | pubmed-39275322014-02-18 Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments Meral, Ramazan Sensors (Basel) Full Research Paper The limitation of traditional sampling method to provide detailed spatial and temporal profiles of suspended sediment concentration has led to an interest in alternative devices and methods based on scattering of underwater sound and light. In the present work, acoustic backscatter and LISST (the Laser In Situ Scattering Transmissometry) devices, and methodologies were given. Besides a laboratory study was conducted to compare pumping methods for different sediment radiuses at the same concentration. The glass spheres (ballotini) of three different radiuses of 115, 137 and 163 μm were used to obtain suspension in the sediment tower at laboratory. A quite good agreement was obtained between these methods and pumping results with the range at 60.6-94.2% for sediment concentration and 91.3-100% for radius measurements. These results and the other studies show that these methods have potential for research tools for sediment studies. In addition further studies are needed to determine the ability of these methods for sediment measurement under different water and sediment material conditions. Molecular Diversity Preservation International (MDPI) 2008-02-19 /pmc/articles/PMC3927532/ /pubmed/27879747 Text en © 2008 by MDPI Reproduction is permitted for noncommercial purposes. |
spellingShingle | Full Research Paper Meral, Ramazan Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title | Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title_full | Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title_fullStr | Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title_full_unstemmed | Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title_short | Laboratory Evaluation of Acoustic Backscatter and LISST Methods for Measurements of Suspended Sediments |
title_sort | laboratory evaluation of acoustic backscatter and lisst methods for measurements of suspended sediments |
topic | Full Research Paper |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3927532/ https://www.ncbi.nlm.nih.gov/pubmed/27879747 |
work_keys_str_mv | AT meralramazan laboratoryevaluationofacousticbackscatterandlisstmethodsformeasurementsofsuspendedsediments |