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mining, land clearance, agriculture, acid precipitation, and domestic and industrial wastes ... bedrock, as well as anthropogenic activities. The effect of anthropogenic activities (primarily farming) within the Densu basin culminated in a public outcry over the quality of water supplied ... The Densu basin is located in southern Ghana and lies ...Web
Densu Basin located between latitude 5 • 30 N to 6 • 20 N and longitude 0 • 10 W to 0 • 35 W (Fig. 1) has an estimated drainage area of 2,564 km 2 (WRC 2003). It takes its source from the ...Web
Groundwater contamination due to domestic waste discharge, mining and agricultural activities also feature significantly in the basin. The emerging issues identified in this review include rising water demands, impacts of climate change on groundwater resources, anthropogenic effects on groundwater quality and inadequate knowledge of …Web
Section snippets The study area. The Densu River Basin (Fig. 1) has a drainage area of approximately 2564 km 2, and is characterized by an undulating topography (Adomako et al., 2011).The Densu River system is predominantly recharged by inflows from the Atewa-Atwiredu hills in the East Akim District of the Eastern Region of …Web
Groundwater contamination due to domestic waste discharge, mining and agricultural activities also feature significantly in the basin. The emerging issues identified in this review include rising ...Web
The effects of small-scale gold mining activities on heavy metal levels in groundwater were determined for the Lower Pra Basin of Ghana. Sixty five boreholes in …Web
In the Densu River Basin, the six catchment management strategies being implemented are described by Nkhoma (2020), Eduful, Alsharif, Eduful, et al. (2020) as ad hoc and ineffective in...Web
The effects of small-scale gold mining activities on heavy metal levels in groundwater were determined for the Lower Pra Basin of Ghana. Sixty five boreholes in 45 communities were analysed between January 2012 and April 2012 for the dry season and June and October 2012 for the wet season. The test for significance and the use of …Web
The Government of Ghana prohibited Artisanal and Small-Scale Mining (ASM) operations from 2017 to 2018 as part of its strategy to address the socio-environmental issues caused by illegal mining ...Web
Ecological hazards such as floods, drought and poor water quality remain notable disparaging natural catastrophes of climate variability in West Africa. Associated hazard …Web
Abstract. Water resources protection is complicated as it involves controlling and managing multiple sources of pollution that are the result of a complex …Web
This study aims at assessing the environmental impact of illegal mining operations in and around the Bonsa river. The study specifically seeks to assess the levels of heavy metals (mercury (Hg) and lead (Pb)) pollution, in the Bonsa river; and to determine the impact of physicochemical parameters on the potability of the water. Materials and ...Web
DOI: 10.1016/j.ejrh.2022.101017 Corpus ID: 246568184; Groundwater resources assessment in the Densu Basin: A review @article{Akurugu2022GroundwaterRA, title={Groundwater …Web
Trends in land use/land cover changes in the Densu River basin and its impact on the Weija reservoirs and the Densu Delta (Sakumo I lagoon) in Ghana. J. Geogr. Reg. Plann. (2019) ... small-scale and illegal mining on water balance components and sediment yield: Pra River Basin case study. Soil and Tillage Research, Volume 211, …Web
the Densu River Basin was reported as a resu lt of various anthropogenic activities such as mining, ag riculture, industrial as well as municipal sour ces in the form of garbage and wastewa ter ...Web
Water quality of the Densu River was studied by determining the levels of various physico-chemical parameters including trace metals for planning of the basin. The pH range (7.40-8.22) fell within ...Web
2. The solution – A wider basin planning approach . The Densu Basin was identified in the Water Resources Commission 's (WRC) strategy as an urgent case for a pilot basin planning approach (WRI, 2000). Following …Web
Nevertheless, land use dynamics continue to impact... | Find, read and cite all the research you need on ResearchGate ... The study also revealed that mining, ... The Densu Basin.Web
therefore, assesses the impact of human activities on the quality of River Densu from 2010-2015 using the Water Quality Index (WQI) and Nemerows Pollution. 2. Study Area and Methodology The Densu River Basin covers an area of 2490 km2 located at the South Eastern part of Ghana and it lies within longitudes 10 30'W - 10 45W and latitudes 50 'Web
Boakye et al. showed that the Offin sub-basin (Upper and Lower Offin) expanded in mining area by about 98 km 2 from 2008 to 2018, while Birim sub-basin experienced a mining area expansion of 33.44 km 2 in the same period. The Pra sub-basin also had a mining expansion of about 35 km 2 (Boakye et al. 2019). Small-scale mining …Web
This study demonstrates the functionality of these tools using multi-temporal satellite images, 1990 and 2000, acquired for the Densu River basin in Ghana. Change detection methods, based on image ...Web
The effect of different land use types on the physicochemical water quality of a semi-arid coastal basin is examined. From nine sites, a comprehensive sampling campaign was executed during October ...Web
The results of the study indicate that the Densu River Basin will experience a temperature increase by 8.23% and a 17% reduction in rainfall resulting in 58.3% reduction in water resources in the area. The climate change impact analysis indicates a reduction in the river streamflow due to decrease in rainfall.Web
Furthermore, the mining industry's concentration on water use, particularly for small-scale miners, ignores the legacy impacts of such mines or the long-term effects of small-scale mining. Even for SSMs, it is suggested that there be an imposed aspect on the concurrent treatment and reusability of water with mining operations.Web
Illegal miners desecrate Densu and Birim Rivers at The resurgence of illegal mining after a lost state battle on the menace looks more destructive than before ... Our product. Trapezium Mill. High Frequency Screen. Wheel Sand Washing Machine. VSI6S Vertical Shaft Impact Crusher. Dry Magnetic Separator. HST Hydraulic Cone Crusher. T130X …Web
Study region: Densu River Basin in Ghana, West Africa. Study focus: This paper reviews aquifers and groundwater resources in the Densu River Basin based on several past studies which adopted hydrochemical, numerical modelling, geostatistical techniques, and several other conventional methods with particular focus on the hydrogeological and …Web
The observed and perceived impacts of the ban on illegal mining indicates improved water quality, vegetation cover, and school attendance, but increased hardships in the communities. ... paper examines the perceived environmental and socioeconomic impacts on four rural catchment communities in the upper Densu River basin, Ghana. …Web
Currently, illegal artisanal mining ('galamsey') has impacted the environment negatively, resulting in land degradation and water pollution.Web
illicitly. Today, illegal mining, popularly known as 'galamsey,' has become a major source of livelihood for persons living around legal mining communities, mainly due to the continuous rise of the price of the commodity on the world market. The activities of illegal small-scale mining operators have been identified as the major source of waterWeb
Research in the Densu River basin by Karikari and Ansa-Asare (Citation 2006), concluded in their results that the poor microbial activity observed might be due to contamination …Web
Currently, illegal artisanal mining ('galamsey') has impacted the environment negatively, resulting in land degradation and water pollution. The government of Ghana, responding to public outcry against the negative effects of 'galamsey', placed a ban on illegal small-scale mining activities in March 2017.Web
The purpose of this study was to explore the combined effects of mining in water bodies and climate change on water resources in Ghana. The methodology explored in the study was quantitative approach.Web
namely, the Densu, the Birim and the Ayensu. The study was aimed at investigating causes and impacts of land use change within the three river catchments and how these impacts could be curtailed to safeguard river health and sustainable water supply. Data for the study was derived from analysis of remotely sensed Landsat 7 ETMWeb
4.1 Hazards of the Densu delta: causes and impacts 4.1.1 Coastal erosion. Shoreline analysis shows that the coastline of the Densu delta is receding except a small portion that was accreting. The total shoreline recession over the 43-year period (NSM) ranged from 0.1 to 150 m (Fig. 4). Accretion ranged between 1.6 and 16.6 m toward the …Web
Groundwater samples from 68 communities within the Densu basin were sampled and analysed over a period of 1 year for various physico-chemical water quality parameters using appropriate certified ...Web
sbm effects of mining at the densu basinImpact of Mining on Ground and Surface Waters 188 Karmakar & Das Impact of Mining on (iround and Suface Waters INTRODUCfiON Out of all the natural resources available in the world,water assumes the most important place It forms an integral part in survival of living being both in way of direct consumption and …Web
The impact of anthropogenic activities on the fluctuation of nutrients along the Densu River and its tributaries was studied. High concentrations of nutrients were observed in the study area but the river was found to be circumneutral and fresh with pH ranging between 6.54 and 7.84. The levels of NH4+–N ranged between 0.21 and 2.1 mg L−1 with mean …Web
Activities in and around River Densu Basin poses a threat to the quality of the river. This study, therefore, assesses the impact of human activities on the water quality of River Densu from 2010 to 2015 using the Water …Web
Groundwater contamination due to domestic waste discharge, mining and agricultural activities also feature significantly in the basin. The emerging issues identified in this review include rising water demands, impacts of climate change on groundwater …Web
