Assessment of the Impacts of Climate Change on Some Hydrological
We focus on rainfall, water yield, soil water storage and evapotranspiration in the Densu Rvier Basin (DRB) for the 2050s. After calibration and validation of the SWAT model, there was a strong correlation between the simulated and the observed stream discharge coefficient of determination (R2) of 0.84 and 0.77, and a Nash Sutcliffe …
The Negative Effect of Legal Mining (Gather Them and …
ISSN: 2590-9681 (Online) | Impact Factor (SJIF): 4.309 | Journal DOI: 10.15373/22501991 19 The Negative Effect of Legal Mining (Gather Them and Sell) in Ghana David Ackah, PhD. Faculty of Competency-Base Training & Learning Institute of Project Management Professionals Email: [email protected] Abstract Small-scale mining was once a …
Modelling the Impacts of Climate Change on Water Resources …
The results of the study indicate that the Densu River Basin will experience a temperature increase and reduction in rainfall that will reduce water resources in the area. The climate change impact analysis indicates a reduction in the river streamflow due to decrease in rainfall. Consequently, the water demand for domestic and irrigation uses ...
the Densu River, Ghana Multivariate statistical analysis …
Densu Basin is estimated as 280 million m3 (WRC, 2007). Agricultural land uses constitute about 61% of the basin and is the most dominant land use type (Figure 2).
Quantifying nitrate pollution sources and natural …
The study assesses the extent of nitrate pollution in the Densu Basin because of itspredominance in agriculture and urbanized vicinities by employing robust techniques for estimating both the ...
Groundwater resources assessment in the Densu Basin: A …
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 the ...
(PDF) Trends in land use/land cover changes in the Densu River basin
PDF | On Dec 31, 2019, O. Adjei Frank and others published 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 ...
Water Resources Protection at the Upper Densu River Basin, …
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 …
Impact of Anthropogenic Activities on the Densu River in …
The Densu River crosses the upper Birimian rocks (phylites, schists, tuffs and grey wackes) in the upper reaches, middle Birimian rocks (granites and granodiorites) in the middle segments and Togo ...
Densu River confronts grave dangers from illegal mining, …
In a recent interview, Dr. Ronald Abraham Chief Basin Officer, Water Resources Commission a state organization responsible for protecting water bodies in Ghana, called for re -engineering of towns closer to the Densu River and relocate facilities such houses Lorry terminals and markets from the river to curb the increasing pollution.
Groundwater recharge and potential exploitation in the …
This study applied the water table fluctuation method and chloride mass balance approach to estimate groundwater recharge in the Densu basin, identified as …
Assessment of the quality of the Densu river using …
The natural resources, especially water in the Densu river basin, play significant roles in the socio-economic development of Ghana. The purpose of this study was to analyse the water quality of the Densu river using water quality index (WQI) and multivariate techniques. In this study, physico-chemical and bacteriological parameters …
Water Quality Assessment of Densu, Birim and Ayensu
The effect of different land use types on the physicochemical water quality of a semi-arid coastal basin is examined. ... Illegal mining and inappropriate use of agrochemicals have exacerbated surface water pollution in Ghana. ... (Fig. 1). The Densu reservoir is one of the two main sources of water supply for the western part of Accra. The ...
Relating land use and land cover to surface water quality in the Densu
Abstract The Densu River basin is one of Ghana's most reliable freshwater sources, though greatly stressed through pervasive land-use activities. This warrants that water quality variability be understood in relation to land use and land cover (LULC) processes in the basin. In this paper, water quality variables and LULC attributes were …
Monitoring Land Use Change in the Densu River Basin
Mining activities, particularly illegal mining was identified to be the dominant driver of deforestation in the Ankobra Basin between the years 2008 and 2016 where mining activities in the basin ...
Assessment of the Impacts of Climate Change on Some …
Municipality in the Greater Accra Region. The Odaw and Volta Basins, Birim Basin, Ayensu and Okrudu Basins form catchment boundary with the Densu Basin (WRC, 2017). The southern part of the basin lies in the Coastal Savannah zone while the northern part lies in the semi-deciduous forest zone (WRC, 2017). The mean annual rainfall of the southern and
Management of Catchment for the Protection of Source …
This study investigates impacts of the implementation of catchment strategies on four rural communities and the coping mechanisms available to residents to cope …
Water Resources Protection at the Upper Densu River Basin, …
Water Resources Protection at the Upper Densu River Basin, Ghana: Can Rural Communities Adapt to the Ban on Galamsey? ... and sustainability of the ban on illegal mining in protecting the Densu River. The observed and perceived impacts of the ban on illegal mining indicates improved water quality, vegetation cover, and school …
Assessment of The Impacts of Climate Change on Some …
We focus on rainfall, water yield, soil water storage and evapotranspiration in the Densu Rvier Basin (DRB) for the 2050s. After calibration and validation of the SWAT model, there was a strong correlation between the simulated and the observed stream discharge coefficient of determination (R2) of 0.84 and 0.77, and a Nash Sutcliffe …
(PDF) Hydrologic response to climate change in …
Climate change continues to pose a threat to the sustainability of water resources. Global warming can have several effects on the water resources and water demands in the Densu River Basin ...
Groundwater recharge and potential exploitation in the Densu basin …
Densu River Basin in Ghana, West Africa. 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 hydrochemical …
Hazards of the Densu River delta in Accra—Ghana
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 …
Small hydropower development potential in the Densu River Basin…
The study area (Fig. 1) is the Densu River Basin (DRB).The river travels from Atiwa-Atwiredu mountain range, which is located between longitudes 0º 19' 0" W and latitudes 5º 31 ' 0" N. The Densu River stretches over 116 kilometers with a drainage area of 2490 km 2 (Asante et al., 2008).The Densu River flows through the areas of Eastern, …
Climate change impacts on the hydrological processes of Densu …
Climate change impacts on the hydrological processes of Densu river basin (drb) using the swat model ... soil water storage and evapotranspiration) in the Densu River Basin (DRB). After calibration and validation of the SWAT model, there was a strong correlation between the simulated and the observed stream discharge with a coefficient of ...
Ecological vulnerability of the Densu river Basin due to land …
This research utilized a combination of Analytical Hierarchical Process (AHP) and multicriteria methods (MCM) using dataset such as land use land cover, type …
Hydrologic response to climate change in the Densu River Basin …
Climate change continues to pose a threat to the sustainability of water resources. Global warming can have several effects on the water resources and water demands in the Densu River Basin especially water use and agriculture use among several others. However, the extents to which the hyd …
Groundwater resources assessment in the Densu Basin: …
The Densu River Basin lies within two climatic zones, the wet semi-equatorial climate in the north, and the relatively dry equatorial climate towards the coast in the south-east. Both cli-
(PDF) Land use-land cover changes and river basin
change trends in the basin over 20 years (2003-2023) and discusses the impact on the Densu River basin. Land cover changes identified include shrinking water bodies, farmlands, and closed forests.
Assessing the impacts of artisanal mining on the quality …
Artisanal small-scale mining has been part of Ghana's history, but recent public outcry on the devastating impacts of the phenomenon on water bodies, due to expansion in the sector, has led to ...
Management of catchment for the protection of source water in the Densu
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