Freshwater Flocculation Dependence on Turbulence Properties in the Usumacinta River
AbstractFreshwater flocculation in the Usumacinta River delta during the high flow season was confirmed and supported by field data and the results from experiments conducted in a rotating annular flume and in a settling column device. Although the stream intensity and a bottom macroform generated a...
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| Veröffentlicht in: | Journal of hydraulic engineering (New York, N.Y.) N.Y.), 2021-12, Vol.147 (12) |
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| container_title | Journal of hydraulic engineering (New York, N.Y.) |
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| creator | Izquierdo–Ayala, Klever Garcia–Aragon, Juan Antonio Castillo–Uzcanga, Maria Mercedes Salinas-Tapia, Humberto |
| description | AbstractFreshwater flocculation in the Usumacinta River delta during the high flow season was confirmed and supported by field data and the results from experiments conducted in a rotating annular flume and in a settling column device. Although the stream intensity and a bottom macroform generated and disturbed the 3D turbulence components in the cross section, the flow patterns followed the logarithmic law and the Nezu and Nakagawa models. The Rouse model can be applied to predict suspended sediment flux; however, flocculation led to diffusivity ratios less than 0.63 and effective settling velocities close to 1 mm/s that were consistent with the mass conservation equation. When comparing the suspended load patterns of several lowland rivers, flocculation stages are related to shear rate; furthermore, in contrast to saline environments, the representative aggregate size in freshwater systems is presumably higher than the Kolmogorov microscale. |
| doi_str_mv | 10.1061/(ASCE)HY.1943-7900.0001940 |
| format | Article |
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Although the stream intensity and a bottom macroform generated and disturbed the 3D turbulence components in the cross section, the flow patterns followed the logarithmic law and the Nezu and Nakagawa models. The Rouse model can be applied to predict suspended sediment flux; however, flocculation led to diffusivity ratios less than 0.63 and effective settling velocities close to 1 mm/s that were consistent with the mass conservation equation. 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Although the stream intensity and a bottom macroform generated and disturbed the 3D turbulence components in the cross section, the flow patterns followed the logarithmic law and the Nezu and Nakagawa models. The Rouse model can be applied to predict suspended sediment flux; however, flocculation led to diffusivity ratios less than 0.63 and effective settling velocities close to 1 mm/s that were consistent with the mass conservation equation. When comparing the suspended load patterns of several lowland rivers, flocculation stages are related to shear rate; furthermore, in contrast to saline environments, the representative aggregate size in freshwater systems is presumably higher than the Kolmogorov microscale.</description><subject>Case Studies</subject><subject>Case Study</subject><subject>Conservation equations</subject><subject>Flocculation</subject><subject>Flow distribution</subject><subject>Flumes</subject><subject>Freshwater</subject><subject>High flow</subject><subject>Inland water environment</subject><subject>Rivers</subject><subject>Saline environments</subject><subject>Settling rate</subject><subject>Settling velocity</subject><subject>Shear rate</subject><subject>Suspended load</subject><subject>Suspended sediments</subject><subject>Turbulence</subject><issn>0733-9429</issn><issn>1943-7900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqXwDhFc4JBix65Tc6v6Q5EqgWh76MnauBs1VZoEOwHx9ji0wInTalYzs6uPkGtGe4xKdn87XIwmd7N1jynBw1hR2qOUekFPSOd3d0o6NOY8VCJS5-TCuZ33CKkGHbKYWnTbD6jRBtO8NKbJoc7KIhhjhcUGC4OBV8vGJk3-rV5sWaGtM3RBVgT1FoOVa_ZgsqKG4DV7R3tJzlLIHV4dZ5esppPlaBbOnx-fRsN5CJzHdciEUBAbgIgD8I0SiUyYMlJhtBGoWJr6d-NI0CRVIFAOon48AGVYKnhfoeFdcnPorWz51qCr9a5sbOFPam-ViouI9b3r4eAytnTOYqorm-3BfmpGdQtR6xainq11C0y3wPQRog_LQxicwb_6n-T_wS8UZHai</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Izquierdo–Ayala, Klever</creator><creator>Garcia–Aragon, Juan Antonio</creator><creator>Castillo–Uzcanga, Maria Mercedes</creator><creator>Salinas-Tapia, Humberto</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TB</scope><scope>7TN</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-0427-2575</orcidid><orcidid>https://orcid.org/0000-0002-0075-6997</orcidid><orcidid>https://orcid.org/0000-0001-8904-7638</orcidid></search><sort><creationdate>20211201</creationdate><title>Freshwater Flocculation Dependence on Turbulence Properties in the Usumacinta River</title><author>Izquierdo–Ayala, Klever ; Garcia–Aragon, Juan Antonio ; Castillo–Uzcanga, Maria Mercedes ; Salinas-Tapia, Humberto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a337t-1449a7caa23aa3d94b6b19c69e2d4e91ff4297240bf9a4e682578a9c1f4359ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Case Studies</topic><topic>Case Study</topic><topic>Conservation equations</topic><topic>Flocculation</topic><topic>Flow distribution</topic><topic>Flumes</topic><topic>Freshwater</topic><topic>High flow</topic><topic>Inland water environment</topic><topic>Rivers</topic><topic>Saline environments</topic><topic>Settling rate</topic><topic>Settling velocity</topic><topic>Shear rate</topic><topic>Suspended load</topic><topic>Suspended sediments</topic><topic>Turbulence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Izquierdo–Ayala, Klever</creatorcontrib><creatorcontrib>Garcia–Aragon, Juan Antonio</creatorcontrib><creatorcontrib>Castillo–Uzcanga, Maria Mercedes</creatorcontrib><creatorcontrib>Salinas-Tapia, Humberto</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of hydraulic engineering (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Izquierdo–Ayala, Klever</au><au>Garcia–Aragon, Juan Antonio</au><au>Castillo–Uzcanga, Maria Mercedes</au><au>Salinas-Tapia, Humberto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Freshwater Flocculation Dependence on Turbulence Properties in the Usumacinta River</atitle><jtitle>Journal of hydraulic engineering (New York, N.Y.)</jtitle><date>2021-12-01</date><risdate>2021</risdate><volume>147</volume><issue>12</issue><issn>0733-9429</issn><eissn>1943-7900</eissn><abstract>AbstractFreshwater flocculation in the Usumacinta River delta during the high flow season was confirmed and supported by field data and the results from experiments conducted in a rotating annular flume and in a settling column device. Although the stream intensity and a bottom macroform generated and disturbed the 3D turbulence components in the cross section, the flow patterns followed the logarithmic law and the Nezu and Nakagawa models. The Rouse model can be applied to predict suspended sediment flux; however, flocculation led to diffusivity ratios less than 0.63 and effective settling velocities close to 1 mm/s that were consistent with the mass conservation equation. When comparing the suspended load patterns of several lowland rivers, flocculation stages are related to shear rate; furthermore, in contrast to saline environments, the representative aggregate size in freshwater systems is presumably higher than the Kolmogorov microscale.</abstract><cop>New York</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)HY.1943-7900.0001940</doi><orcidid>https://orcid.org/0000-0003-0427-2575</orcidid><orcidid>https://orcid.org/0000-0002-0075-6997</orcidid><orcidid>https://orcid.org/0000-0001-8904-7638</orcidid></addata></record> |
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| ispartof | Journal of hydraulic engineering (New York, N.Y.), 2021-12, Vol.147 (12) |
| issn | 0733-9429 1943-7900 |
| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Case Studies Case Study Conservation equations Flocculation Flow distribution Flumes Freshwater High flow Inland water environment Rivers Saline environments Settling rate Settling velocity Shear rate Suspended load Suspended sediments Turbulence |
| title | Freshwater Flocculation Dependence on Turbulence Properties in the Usumacinta River |
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