Groundwater recharge estimation using chloride mass balance: a case study of Nsukka local government area of Enugu State, Southeastern, Nigeria
Due to the unplanned growth of urbanization, industrialization and ever-growing population in Nsukka local government of Enugu State, the groundwater exploitations have increased dramatically. For proper planning and management of groundwater resources, there is need for a reliable estimate of groun...
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| Veröffentlicht in: | Modeling earth systems and environment 2020-06, Vol.6 (2), p.799-810 |
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| description | Due to the unplanned growth of urbanization, industrialization and ever-growing population in Nsukka local government of Enugu State, the groundwater exploitations have increased dramatically. For proper planning and management of groundwater resources, there is need for a reliable estimate of groundwater recharge of the area. In the present study, for the first time, the chloride mass-balance method is adopted to estimate groundwater recharge in the study area. Measurements of chloride in groundwater and rainfall were made during 8-month period of the raining season beginning with the first rain on 5th March 2016 and the last rain on 10th October 2016. The main source of recharge considered was estimated from rainfall. The results are presented in the form of a map showing the spatial distribution recharge rate of the study area, which ranges from 1308.9 to 1683.3 mm/year and the recharge percentage of the total rainfall varies from 81.5 to 95.8%. The study area is characterized by moderate groundwater recharge due to the presence of high permeable underlying lithologies which associated with high porosity. Errors in the estimated recharge rate in work maybe large because of the limited data used in this analysis. |
| doi_str_mv | 10.1007/s40808-019-00707-7 |
| format | Article |
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For proper planning and management of groundwater resources, there is need for a reliable estimate of groundwater recharge of the area. In the present study, for the first time, the chloride mass-balance method is adopted to estimate groundwater recharge in the study area. Measurements of chloride in groundwater and rainfall were made during 8-month period of the raining season beginning with the first rain on 5th March 2016 and the last rain on 10th October 2016. The main source of recharge considered was estimated from rainfall. The results are presented in the form of a map showing the spatial distribution recharge rate of the study area, which ranges from 1308.9 to 1683.3 mm/year and the recharge percentage of the total rainfall varies from 81.5 to 95.8%. The study area is characterized by moderate groundwater recharge due to the presence of high permeable underlying lithologies which associated with high porosity. Errors in the estimated recharge rate in work maybe large because of the limited data used in this analysis.</description><identifier>ISSN: 2363-6203</identifier><identifier>EISSN: 2363-6211</identifier><identifier>DOI: 10.1007/s40808-019-00707-7</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Area ; Chemistry and Earth Sciences ; Chlorides ; Computer Science ; Earth and Environmental Science ; Earth Sciences ; Earth System Sciences ; Ecosystems ; Environment ; Groundwater ; Groundwater recharge ; Industrialization ; Local government ; Mass balance ; Math. 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Earth Syst. Environ</addtitle><description>Due to the unplanned growth of urbanization, industrialization and ever-growing population in Nsukka local government of Enugu State, the groundwater exploitations have increased dramatically. For proper planning and management of groundwater resources, there is need for a reliable estimate of groundwater recharge of the area. In the present study, for the first time, the chloride mass-balance method is adopted to estimate groundwater recharge in the study area. Measurements of chloride in groundwater and rainfall were made during 8-month period of the raining season beginning with the first rain on 5th March 2016 and the last rain on 10th October 2016. The main source of recharge considered was estimated from rainfall. The results are presented in the form of a map showing the spatial distribution recharge rate of the study area, which ranges from 1308.9 to 1683.3 mm/year and the recharge percentage of the total rainfall varies from 81.5 to 95.8%. The study area is characterized by moderate groundwater recharge due to the presence of high permeable underlying lithologies which associated with high porosity. 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Appl. in Environmental Science</subject><subject>Mathematical Applications in the Physical Sciences</subject><subject>Original Article</subject><subject>Physics</subject><subject>Porosity</subject><subject>Rain</subject><subject>Rainfall</subject><subject>Resource management</subject><subject>Spatial distribution</subject><subject>Statistics for Engineering</subject><subject>Urbanization</subject><subject>Water resources</subject><issn>2363-6203</issn><issn>2363-6211</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kLtOwzAUhiMEEhXwAkxHYm3Al9zMhiooSAgGYLZOHCdNm9rFjkE8Ba-MSxFsTLbl_6L_S5JTSs4pIeWFz0hFqpRQkcYnKdNyL5kwXvC0YJTu_94JP0xOvF8SQmjBikKISfI5dzaY5h1H7cBptUDXadB-7Nc49tZA8L3pQC0G6_pGwxq9hxoHNEpfAoJCr8GPofkA28KDD6sVwmAVDtDZN-3MWpsR0Gnc_l-b0AV4GmPbFJ5sGBcafWw2U3joO-16PE4OWhy8Pvk5j5KXm-vn2W16_zi_m13dp8gzNqZ5jlkuqqxsVV0XlDLktMyLTFWsFkwVVV2iqBtK2-1MJfKyxTxD0TRcqVoxfpSc7XI3zr6GuFcubXAmVkrGKxETOcmjiu1UylnvnW7lxkUw7kNSIrfs5Y69jOzlN3tZRhPfmXwUm7jqL_of1xchIYjH</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Ifediegwu, Ikenna Stanley</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7UA</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope></search><sort><creationdate>20200601</creationdate><title>Groundwater recharge estimation using chloride mass balance: a case study of Nsukka local government area of Enugu State, Southeastern, Nigeria</title><author>Ifediegwu, Ikenna Stanley</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a342t-55a459847fcbb6112a317564c82b92c68b7a9bd11f6699c957fa54a9dd3ccbc23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Area</topic><topic>Chemistry and Earth Sciences</topic><topic>Chlorides</topic><topic>Computer Science</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earth System Sciences</topic><topic>Ecosystems</topic><topic>Environment</topic><topic>Groundwater</topic><topic>Groundwater recharge</topic><topic>Industrialization</topic><topic>Local government</topic><topic>Mass balance</topic><topic>Math. 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Earth Syst. Environ</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>6</volume><issue>2</issue><spage>799</spage><epage>810</epage><pages>799-810</pages><issn>2363-6203</issn><eissn>2363-6211</eissn><abstract>Due to the unplanned growth of urbanization, industrialization and ever-growing population in Nsukka local government of Enugu State, the groundwater exploitations have increased dramatically. For proper planning and management of groundwater resources, there is need for a reliable estimate of groundwater recharge of the area. In the present study, for the first time, the chloride mass-balance method is adopted to estimate groundwater recharge in the study area. Measurements of chloride in groundwater and rainfall were made during 8-month period of the raining season beginning with the first rain on 5th March 2016 and the last rain on 10th October 2016. The main source of recharge considered was estimated from rainfall. 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| subjects | Area Chemistry and Earth Sciences Chlorides Computer Science Earth and Environmental Science Earth Sciences Earth System Sciences Ecosystems Environment Groundwater Groundwater recharge Industrialization Local government Mass balance Math. Appl. in Environmental Science Mathematical Applications in the Physical Sciences Original Article Physics Porosity Rain Rainfall Resource management Spatial distribution Statistics for Engineering Urbanization Water resources |
| title | Groundwater recharge estimation using chloride mass balance: a case study of Nsukka local government area of Enugu State, Southeastern, Nigeria |
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