Analysis of Stable Isotope Contents of Surface and Underground Water in Two Main Geological Formations in the Northern Region of Ghana

Q4 Environmental Science West African Journal of Applied Ecology Pub Date : 2010-01-13 DOI:10.4314/WAJAE.V15I1.49430
Kb Pelig-Ba
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引用次数: 28

Abstract

Stable isotope (18O and 2H) contents of groundwater and some surface waters from the Northern Region of Ghana were studied. Transmissivity values are obtained using the screen length and hydraulic conductivity. These values were low corresponding to low groundwater recharge. The results of stable isotope content showed that groundwater is recharged from local precipitation but suffers evaporation during transit from the atmosphere to the water table. Infiltration to groundwater table is very slow resulting in low recharge. Furthermore, the isotope enrichment increases from the northeast to southwest (Voltaian to Basement Complexes) in the direction of the harmattan winds.
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加纳北部地区两个主要地质构造地表水和地下水稳定同位素含量分析
研究了加纳北部地区地下水和部分地表水的稳定同位素(18O和2H)含量。透过率值由筛管长度和水力传导率获得。这些数值较低,对应于地下水补给较低。稳定同位素含量的结果表明,地下水由当地降水补给,但在从大气到地下水位的运输过程中遭受蒸发。渗入地下水位非常缓慢,导致补给不足。在哈玛坦风方向,同位素富集由东北向西南(伏尔泰向基底杂岩)增加。
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West African Journal of Applied Ecology
West African Journal of Applied Ecology Environmental Science-Ecology
CiteScore
0.80
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0.00%
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0
期刊介绍: This research journal has been established by the Ecological Laboratory Unit of the University of Ghana, Accra to publish original papers, invited articles and book reviews in English on general ecology. Papers are peer reviewed by consulting editors. The journal is targeted at scientists, policy makers and the general public. The subject areas to be covered include the following: -Theoretical and Applied Ecology- Environmental Studies- Environmental Management- Population Studies- Sustainable use of Natural Resources- Atmospheric Science- Aquatic Sciences and Oceanography- Terrestrial Ecology- Soil Sciences- Human Settlements- Disaster Preparedness and Disaster Reduction- Sustainable Development- Traditional Knowledge on Biodiversity and its sustainable use- Application in Agriculture and Land Use- Health and Environmental Protection
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