The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation
Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wei, Zhao [verfasserIn] Xu, Youze [verfasserIn] Zhao, Yanyan [verfasserIn] Zhao, Yuanyuan [verfasserIn] Bai, Leilei [verfasserIn] Jiang, Helong [verfasserIn] Wang, Changhui [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: International journal of sediment research - Amsterdam [u.a.] : Elsevier, 2001, 36, Seite 542-554 |
|---|---|
| Übergeordnetes Werk: |
volume:36 ; pages:542-554 |
| DOI / URN: |
10.1016/j.ijsrc.2020.11.005 |
|---|
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| 245 | 1 | 0 | |a The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
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| 520 | |a Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. | ||
| 650 | 4 | |a Sediment settling | |
| 650 | 4 | |a Particle size distribution | |
| 650 | 4 | |a Physicochemical properties | |
| 650 | 4 | |a Sediment pollution | |
| 700 | 1 | |a Xu, Youze |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yanyan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yuanyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Bai, Leilei |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Helong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Changhui |e verfasserin |4 aut | |
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10.1016/j.ijsrc.2020.11.005 doi (DE-627)ELV005809398 (ELSEVIER)S1001-6279(20)30125-6 DE-627 ger DE-627 rda eng 550 DE-600 Wei, Zhao verfasserin aut The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. Sediment settling Particle size distribution Physicochemical properties Sediment pollution Xu, Youze verfasserin aut Zhao, Yanyan verfasserin aut Zhao, Yuanyuan verfasserin aut Bai, Leilei verfasserin aut Jiang, Helong verfasserin aut Wang, Changhui verfasserin aut Enthalten in International journal of sediment research Amsterdam [u.a.] : Elsevier, 2001 36, Seite 542-554 Online-Ressource (DE-627)563171278 (DE-600)2421734-7 (DE-576)302970509 2589-7284 nnns volume:36 pages:542-554 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 542-554 |
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10.1016/j.ijsrc.2020.11.005 doi (DE-627)ELV005809398 (ELSEVIER)S1001-6279(20)30125-6 DE-627 ger DE-627 rda eng 550 DE-600 Wei, Zhao verfasserin aut The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. Sediment settling Particle size distribution Physicochemical properties Sediment pollution Xu, Youze verfasserin aut Zhao, Yanyan verfasserin aut Zhao, Yuanyuan verfasserin aut Bai, Leilei verfasserin aut Jiang, Helong verfasserin aut Wang, Changhui verfasserin aut Enthalten in International journal of sediment research Amsterdam [u.a.] : Elsevier, 2001 36, Seite 542-554 Online-Ressource (DE-627)563171278 (DE-600)2421734-7 (DE-576)302970509 2589-7284 nnns volume:36 pages:542-554 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 542-554 |
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10.1016/j.ijsrc.2020.11.005 doi (DE-627)ELV005809398 (ELSEVIER)S1001-6279(20)30125-6 DE-627 ger DE-627 rda eng 550 DE-600 Wei, Zhao verfasserin aut The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. Sediment settling Particle size distribution Physicochemical properties Sediment pollution Xu, Youze verfasserin aut Zhao, Yanyan verfasserin aut Zhao, Yuanyuan verfasserin aut Bai, Leilei verfasserin aut Jiang, Helong verfasserin aut Wang, Changhui verfasserin aut Enthalten in International journal of sediment research Amsterdam [u.a.] : Elsevier, 2001 36, Seite 542-554 Online-Ressource (DE-627)563171278 (DE-600)2421734-7 (DE-576)302970509 2589-7284 nnns volume:36 pages:542-554 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 542-554 |
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10.1016/j.ijsrc.2020.11.005 doi (DE-627)ELV005809398 (ELSEVIER)S1001-6279(20)30125-6 DE-627 ger DE-627 rda eng 550 DE-600 Wei, Zhao verfasserin aut The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. Sediment settling Particle size distribution Physicochemical properties Sediment pollution Xu, Youze verfasserin aut Zhao, Yanyan verfasserin aut Zhao, Yuanyuan verfasserin aut Bai, Leilei verfasserin aut Jiang, Helong verfasserin aut Wang, Changhui verfasserin aut Enthalten in International journal of sediment research Amsterdam [u.a.] : Elsevier, 2001 36, Seite 542-554 Online-Ressource (DE-627)563171278 (DE-600)2421734-7 (DE-576)302970509 2589-7284 nnns volume:36 pages:542-554 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 542-554 |
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10.1016/j.ijsrc.2020.11.005 doi (DE-627)ELV005809398 (ELSEVIER)S1001-6279(20)30125-6 DE-627 ger DE-627 rda eng 550 DE-600 Wei, Zhao verfasserin aut The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. Sediment settling Particle size distribution Physicochemical properties Sediment pollution Xu, Youze verfasserin aut Zhao, Yanyan verfasserin aut Zhao, Yuanyuan verfasserin aut Bai, Leilei verfasserin aut Jiang, Helong verfasserin aut Wang, Changhui verfasserin aut Enthalten in International journal of sediment research Amsterdam [u.a.] : Elsevier, 2001 36, Seite 542-554 Online-Ressource (DE-627)563171278 (DE-600)2421734-7 (DE-576)302970509 2589-7284 nnns volume:36 pages:542-554 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 542-554 |
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Wei, Zhao @@aut@@ Xu, Youze @@aut@@ Zhao, Yanyan @@aut@@ Zhao, Yuanyuan @@aut@@ Bai, Leilei @@aut@@ Jiang, Helong @@aut@@ Wang, Changhui @@aut@@ |
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Wei, Zhao |
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Wei, Zhao ddc 550 misc Sediment settling misc Particle size distribution misc Physicochemical properties misc Sediment pollution The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
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550 DE-600 The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation Sediment settling Particle size distribution Physicochemical properties Sediment pollution |
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The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
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The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
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International journal of sediment research |
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Wei, Zhao Xu, Youze Zhao, Yanyan Zhao, Yuanyuan Bai, Leilei Jiang, Helong Wang, Changhui |
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the settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: implication for environmental remediation |
| title_auth |
The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
| abstract |
Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. |
| abstractGer |
Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. |
| abstract_unstemmed |
Sediment resuspension is an important way for shallow lake internal pollution to interact with the overlying water column, and the pollution risks are reasonably related to the retention of resuspended sediment particles in overlying water. In the current study, the settling of resuspended sediment particles was comprehensively investigated under different disturbances using five urban lake sediments. The results show that the particle size distributions of resuspended sediment from different lakes exhibited similar variations during settling with disturbance, although varied settling times were observed under static conditions. During settling with and without disturbance, sediment particle sizes were mainly within 8–63 μm at the initial stage, and were < 8 μm in the later stages of settling. Based on these settling characteristics, the sediment particle size was divided into sand (> 63 μm), silt (8–63 μm), and very fine silt and clay (< 8 μm) fractions. Kinetic analysis suggested that sediment settling for different particle sizes could be well described by the first- and second-order kinetic equations, especially when settling was disturbed (r 2 = 0.727–0.999). The retention of resuspended sediment could be enhanced as particle sizes decreased and disturbance intensities increased. Furthermore, a water elutriation method was successfully optimized, with separation efficiencies of 56.1%–83%, to separate sediment particles into the defined three particle size fractions. The chemical compositions of sediment were found to change with different particle sizes. Typically, calcium tended to form large-size sediment, while the total contents of aluminum, iron, magnesium, and manganese showed significantly negative correlations with sediment particle sizes (p < 0.01) and tended to distribute in small-size particles (e.g., < 8 μm). Overall, the sediment particle size related settling dynamics and physicochemical properties suggested the necessity on determining the pollution of resuspended sediment at different particle sizes for restoration of shallow lakes. |
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The settling of resuspended lake sediment related to physicochemical properties of particles of different sizes: Implication for environmental remediation |
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Xu, Youze Zhao, Yanyan Zhao, Yuanyuan Bai, Leilei Jiang, Helong Wang, Changhui |
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| score |
7.4016743 |