Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria
Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communiti...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Badmus, Ganiyu Olabode [verfasserIn] Akinyemi, Olukayode Dewunmi [verfasserIn] Gbadebo, Adewole Michael [verfasserIn] Oyedepo, John Adebayo [verfasserIn] Folarin, Gbolahan Muyiwa [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Environmental earth sciences - Berlin : Springer, 2009, 80(2021), 3 vom: 29. Jan. |
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| Übergeordnetes Werk: |
volume:80 ; year:2021 ; number:3 ; day:29 ; month:01 |
| Links: |
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| DOI / URN: |
10.1007/s12665-021-09379-y |
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| Katalog-ID: |
SPR042936284 |
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| 520 | |a Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. | ||
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| 700 | 1 | |a Oyedepo, John Adebayo |e verfasserin |4 aut | |
| 700 | 1 | |a Folarin, Gbolahan Muyiwa |e verfasserin |4 aut | |
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10.1007/s12665-021-09379-y doi (DE-627)SPR042936284 (DE-599)SPRs12665-021-09379-y-e (SPR)s12665-021-09379-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.95 bkl Badmus, Ganiyu Olabode verfasserin aut Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 Akinyemi, Olukayode Dewunmi verfasserin aut Gbadebo, Adewole Michael verfasserin aut Oyedepo, John Adebayo verfasserin aut Folarin, Gbolahan Muyiwa verfasserin aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 80(2021), 3 vom: 29. Jan. (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:80 year:2021 number:3 day:29 month:01 https://dx.doi.org/10.1007/s12665-021-09379-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.95 ASE AR 80 2021 3 29 01 |
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10.1007/s12665-021-09379-y doi (DE-627)SPR042936284 (DE-599)SPRs12665-021-09379-y-e (SPR)s12665-021-09379-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.95 bkl Badmus, Ganiyu Olabode verfasserin aut Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 Akinyemi, Olukayode Dewunmi verfasserin aut Gbadebo, Adewole Michael verfasserin aut Oyedepo, John Adebayo verfasserin aut Folarin, Gbolahan Muyiwa verfasserin aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 80(2021), 3 vom: 29. Jan. (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:80 year:2021 number:3 day:29 month:01 https://dx.doi.org/10.1007/s12665-021-09379-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.95 ASE AR 80 2021 3 29 01 |
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10.1007/s12665-021-09379-y doi (DE-627)SPR042936284 (DE-599)SPRs12665-021-09379-y-e (SPR)s12665-021-09379-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.95 bkl Badmus, Ganiyu Olabode verfasserin aut Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 Akinyemi, Olukayode Dewunmi verfasserin aut Gbadebo, Adewole Michael verfasserin aut Oyedepo, John Adebayo verfasserin aut Folarin, Gbolahan Muyiwa verfasserin aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 80(2021), 3 vom: 29. Jan. (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:80 year:2021 number:3 day:29 month:01 https://dx.doi.org/10.1007/s12665-021-09379-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.95 ASE AR 80 2021 3 29 01 |
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10.1007/s12665-021-09379-y doi (DE-627)SPR042936284 (DE-599)SPRs12665-021-09379-y-e (SPR)s12665-021-09379-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.95 bkl Badmus, Ganiyu Olabode verfasserin aut Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 Akinyemi, Olukayode Dewunmi verfasserin aut Gbadebo, Adewole Michael verfasserin aut Oyedepo, John Adebayo verfasserin aut Folarin, Gbolahan Muyiwa verfasserin aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 80(2021), 3 vom: 29. Jan. (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:80 year:2021 number:3 day:29 month:01 https://dx.doi.org/10.1007/s12665-021-09379-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.95 ASE AR 80 2021 3 29 01 |
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10.1007/s12665-021-09379-y doi (DE-627)SPR042936284 (DE-599)SPRs12665-021-09379-y-e (SPR)s12665-021-09379-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.95 bkl Badmus, Ganiyu Olabode verfasserin aut Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 Akinyemi, Olukayode Dewunmi verfasserin aut Gbadebo, Adewole Michael verfasserin aut Oyedepo, John Adebayo verfasserin aut Folarin, Gbolahan Muyiwa verfasserin aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 80(2021), 3 vom: 29. Jan. (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:80 year:2021 number:3 day:29 month:01 https://dx.doi.org/10.1007/s12665-021-09379-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.95 ASE AR 80 2021 3 29 01 |
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Enthalten in Environmental earth sciences 80(2021), 3 vom: 29. Jan. volume:80 year:2021 number:3 day:29 month:01 |
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Saline water Pollution Geoelectric layer Coastal aquifer 2-D ERT models |
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Badmus, Ganiyu Olabode @@aut@@ Akinyemi, Olukayode Dewunmi @@aut@@ Gbadebo, Adewole Michael @@aut@@ Oyedepo, John Adebayo @@aut@@ Folarin, Gbolahan Muyiwa @@aut@@ |
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2021-01-29T00:00:00Z |
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The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. 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Badmus, Ganiyu Olabode |
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Badmus, Ganiyu Olabode ddc 550 bkl 38.95 misc Saline water misc Pollution misc Geoelectric layer misc Coastal aquifer misc 2-D ERT models Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria |
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550 ASE 38.95 bkl Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria Saline water (dpeaa)DE-He213 Pollution (dpeaa)DE-He213 Geoelectric layer (dpeaa)DE-He213 Coastal aquifer (dpeaa)DE-He213 2-D ERT models (dpeaa)DE-He213 |
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ddc 550 bkl 38.95 misc Saline water misc Pollution misc Geoelectric layer misc Coastal aquifer misc 2-D ERT models |
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Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria |
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Badmus, Ganiyu Olabode Akinyemi, Olukayode Dewunmi Gbadebo, Adewole Michael Oyedepo, John Adebayo Folarin, Gbolahan Muyiwa |
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assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of ogun waterside, southwest, nigeria |
| title_auth |
Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria |
| abstract |
Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. |
| abstractGer |
Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. |
| abstract_unstemmed |
Abstract This study presents the seasonal variation of saltwater intrusion in Ogun Waterside using a combine electrical resistivity tomography (ERT) and groundwater physicochemical analysis. The ERT survey was completed with 22 profiles using dipole–dipole array method covering seven major communities (Imakun-omi, Irokun, Isekun, Ode-omi, Iwopin, Itebu-elero, and Ayila) east of Lagos. The field survey was carried out between August 2016 and March 2017 with a minimum electrode spacing of 2.5 m. The inverted model generally revealed a resistivity range of 1.0 Ωm–100,000 Ωm delineated through a depth range of 37 m–197 m. The model obtained for Imakun-omi, Irokun, Isekun, and Ode-omi revealed significant impact of saltwater intrusion from nearby lagoon, sea, or creeks indicated as low-resistivity structures generally below 20 Ωm. The intrusion is more pronounced during the dry season due to decrease in groundwater level associated with low precipitation and possibly aggravated by high rate of groundwater extraction. Groundwater physicochemical analysis obtained in the study area revealed a general increase in the ionic concentrations with a corresponding increase in the water quality index (WQI) during dry season. The calculated WQI for the wet and dry seasons revealed good-to-excellent water quality in most samples taken in the study area except for samples taken in the southern part which were found within the poor-to-very poor water quality category. Evidence from the physicochemical analysis of groundwater samples corroborates the ERT result viz-a-viz the aquifer contamination status of Imakun-omi, Irokun, Isekun, and Ode-omi. |
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| title_short |
Assessment of seasonal variation of saltwater intrusion using integrated geophysical and hydrochemical methods in some selected part of Ogun Waterside, Southwest, Nigeria |
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Akinyemi, Olukayode Dewunmi Gbadebo, Adewole Michael Oyedepo, John Adebayo Folarin, Gbolahan Muyiwa |
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Akinyemi, Olukayode Dewunmi Gbadebo, Adewole Michael Oyedepo, John Adebayo Folarin, Gbolahan Muyiwa |
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2024-07-03T15:40:23.106Z |
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| score |
7.398531 |