African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007

AJEST Articles in press

Evaluation of Domestic Solid Waste Disposal Practices by Mabopane Community- Tshwane Metropolitan Municipality, Gauteng Province- South Africa

Article in Press

BACKGROUND. Waste disposal is approached differently in Mabopane residential area, commonly seen as an urban township due to the socio-economic circumstances of residents. Furthermore, few community members pay for waste removal services, whilst most residents illegally dump their household waste. The aim of this study was, therefore, to investigate household solid waste disposal methods deployed by the residents of...

Author(s):Dikeledi Matloa, Fannie Machete, Rodney Hart

Farmland encroachment and policy related constraints in the wetlands of Lake Abaya, southern Ethiopia

Article in Press

The purpose of the study was to assess the impact of farmland encroachment into the wetlands of Lake Abaya, Southern Ethiopia. The study used survey research design and mixed research approaches to conduct the research. To collect data for the research both primary and secondary data were used. For the questionnaire survey, 138 sample was selected using systematic sampling technique and 18 key informants from different...

Author(s):Teshome Yirgu Bayu

Optimal extraction process of flavonoids from suaeda salsa by response surface methodology

Article in Press

Suaeda salsa is a genus of Salicaria in the Chenopodiaceae family. Suaeda salsa is mainly distributed in coastal areas, growing in saline-alkali soil. Flavonoids are found in Salicyphala salicyphala and have various functions, such as lowering blood glucose, resisting mutagenesis and improving immunity. It was found that flavonoids also had antioxidant effects, and the study of antioxidant activity of flavonoids became the...

Author(s):Dongxue Shen, Guojia Ji, Yalin Yang, Aijun Song

Biological removal of iron from groundwater in a pilot column on a filter support material with coated jujube seeds

Article in Press

A co-flow pilot filter with a packing support material (coated jujube seeds) was constructed and tested for the biological removal of iron from Senegalese groundwater. Indeed, it is a PVC tube with an internal diameter of 40 mm and a height of 90 cm. The performance of the filter was tested at a constant hydraulic head of 261.67 m3/m2 per day while the iron feed concentrations varied between 0.5-1, 0.5-1.5 and 0.5-2 mg/L...

Author(s):FAYE Mamadou, TOURE Alpha Ousmane, NDOYE Mouhamed, SAMBE Falilou Mbacké, DIOP Mar Codou Guèye

BREEDING STRATEGY OF Nannothrissa stewarti POLL & ROBERTS 1976 CLUPEIDAE IN LAKE MAI-NDOMBE, DEMOCRATIC REPUBLIC OF CONGO

Article in Press

Background. Clupeidae, Nannothrissa stewarti (Poll & Roberts 1976) endemic to Lake Mai-Ndombe is one of most heavily fished fish groups using practices and nets not allowed by the country's legislation. Objective of this study was to determine some aspects of reproductive biology of N. stewarti in Lake Mai-Ndombe. Materials and methods. Fish were sampled monthly from November 2020 to October 2021 breeding parameters were...

Author(s):Norbert Lingopa Zanga,Victor Kianfu Pwema, Nseu Bekeli Mbomba, Shango Mutambwe, Musibono Eyul’Anki Dieudonné, John Tembeni Makiadi, Jean Claude Micha

Ground water quality assessment in urban areas of Malawi: A case of area 25 in Lilongwe

Article in Press

This study was conducted to assess the quality of ground water in Area 25, a typical urban residential area in Malawi. Samples were collected from wells and analyzed for physicochemical and bacteriological parameters following standard methods. Results were compared to the Malawi Standards (MS) and the World Health Organization (WHO) drinking water quality guidelines. The overall water quality index was computed to...

Author(s):Chisomo J. Mussa, Judith F.M. Kamoto

Assessment of opportunities and challenges to established community-based MRV in Bale REDD+ Project: Study in the Bale Eco-region, Southeastern Ethiopia

Article in Press

The study was conducted in Dallo Mana and Dodola districts, southeastern Ethiopia with the objectives to i) assess existing opportunities to establish Community-based MRV (CBMRV) and ii) examine factors that determine the participation of rural communities in CBMRV. A total of 154 sampled households had been interviewed and secondary data were obtained through a review of relevant literature. The study identified that...

Author(s):Abebe Tesfaye Tadele, Yoseph Melka, Feyera Abdi

POTENTIAL APPLICATION AND REGENERATION OF BAMBOO BIOCHAR FOR WASTEWATER TREATMENT: A REVIEW

Article in Press

Adsorption capacities of biochar are mainly influenced by either the nature of biomass, production conditions, or method of modification. Bamboo biochar is intensely reviewed in its production, functions, application and regeneration methods showcasing its utilization and importance as an adsorbent for wastewater treatment. The technologies involved in the processing and enhancements of bamboo as well as the performance of...

Author(s):Odega A. Chioma, Ayodele O. Olubunmi, Ogutuga O. Samson, Anguruwa T. Gloria, Adekunle E. Abiodun, Fakorede O. Clement

Concentration and Health Exposure Risk Assessment of potentially toxic metal Pollution in Selected Food Crops in Western Kenya

Article in Press

Urbanization and industrialization has led to accumulation of potentially toxic metals in the environment. Toxic metal pollutants threatens life and ecosystems and results in problems to plants, animals and human as well as soil, water and air. Human exposure to these toxic metals has been a major concern since they effect human health. There is urgent need for researcher to unravel the potentially toxic metal levels in...

Author(s):Anthony M. Pembere, Julius Matsiko , Godfrey Muhwezi, Maina John Nyongesah, Dennis Magero

Evaluating the productivity and Bioremediation Potential of Two Tropical Marine Algae in Petroleum Hydrocarbon Polluted Water

Article in Press

Bioremediation is vital in environmental management and protection. This study examined the productivity and bioremediation potential of Nannochloropsis oculata and Porphyridium cruentum in Water Soluble Fraction (WSF) of petroleum fuels. Experiment was conducted by examining the growth of Nannochloropsis oculata and Porphyridium cruentum at 0%, 10% 20% 30% 40% 50% 75% 100% of WSF of kerosene, diesel, and gasoline. Growth...

Author(s):Raymond Sunday EZENWEANI and Medina Omo KADIRI

Effects of water hyacinth (Eichhornia crassipes) on Human Health: A systematic review in Africa

Article in Press

In Africa, water hyacinth (Eichhornia crassipes) is heavily colonizing many waterbodies. Water hyacinth (Eichhornia crassipes) has a wide effect on biodiversity, ecosystem service and sustainability, socio-economic activities and the health of humans. The conditions created by water hyacinth (Eichhornia crassipes) cause several public health problems. The ecological impacts of water hyacinth (Eichhornia crassipes) have...

Author(s):Bealemlay Abebe Melake, Salie Mulate Endalew, Tamagnu Sinte Alamerew, Belachew Getnet Enyew, Ayenew Gezie

Modeling the impact of land use and land cover change on soil erosion in Alto Molócuè Watershed-Mozambique

Article in Press

Soil erosion is a global environmental problem, which affects the sustainability and productivity of agriculture, the siltation of reservoirs, and the degradation of water quality. One of the main causes of soil erosion is the change of land use/cover (LULC) in a region. The impact of land use on soil erosion has been studied in many parts of Africa, but no published papers have been found to address this problem in...

Author(s):Cristêncio da Cruz Óscar

Giant African Land Snails (Achatina achatina) and (Archachatina marginata) as Bioindicator of Heavy Metal Pollution

Article in Press

It is important to always monitor the bioaccumulation potential for heavy metals by organisms especially the edible ones, to assess their potential risk to human health. This study evaluated the bioaccumulation of heavy metals in the shell and soft tissues of snails. Forty snails each were purchased from Ikire and Ore towns. The snails’ shells, feet, digestive tracts and glands were analysed for bioaccumulation of heavy...

Author(s):Andrew Ayodeji Ajayi, Bisola Odunayo Oyewole

A review on links between biogas technology adoption and its contribution for unpaid time spent by women and children collecting biomass

Article in Press

In Ethiopia, the household sector energy consumption accounts over 90%, of total energy consumed.Above 80% of firewood collection is undertaken by women and assisted by girls and boys .Over half of households spend more than 7 hours a week acquiring fuel for cooking and a quarter of hour for cleaning cooking utensil. So far, a total of 22,000 household size bio-digesters are constructed under the entire national biogas...

Author(s):Alemtsehaye Eyasu Ferede, Hundessa Adugna Yadeta, Gemechu Kaba Sori

Heat Energy Recovery from Incineration of Healthcare Waste in Tanzanian Hospitals: Case of Tumbi Regional Referral Hospital

Article in Press

This paper presents findings on heat recovered from a batch-operated double-chamber healthcare waste incineration plant using two double-pipe heat exchangers (DPHEs) in series. The research was carried out at Tumbi Regional Referral Hospital (TRRH) located in Coast Region, Tanzania. The chambers were fitted with diesel burners (model Riello G20). The air blower (1.1 kW) was used to supply air in the chambers. The inlet and...

Author(s):Peter R. Mwaria, Mengiseny E. Kaseva, Samwel V. Manyele

Determining the quality of drinking wells in the villages of Robat Karim city with emphasis on water quality parameters

Article in Press

ABSTRACT: One of the problems of urban life is groundwater pollution. In this study, the water quality of wells in Robat Karim villages of Tehran for drinking and agricultural consumption was investigated. First, the quality of drinking water was assessed using the Schuler diagram. Then, with the help of Wilcox diagram and salinity and SAR parameters, water quality in terms of agriculture was studied. In the next step,...

Author(s): Bita Arminnejhad, Amir Hessam Hassani, Mostafa Khezri

Determination of Radon Concentration Levels in Kilembe Mines Limited and Hima Cement Quarry Kasese District, Uganda

Article in Press

The research was conducted to determine the radiological health risks of radon exposure which can trigger cancer in workers and the general public in Kilembe Mines and Hima Cement quarry in Kases District. The mean radon concentration levels in the mines were found in the range of 64 ± 40 Bqm-3 to 307 ± 28 Bq m-3.and the mean effective dose was 4.98 ± 0.5mSvy-1 ranging from 1.8 ± 0.2mSvy-1 - 6.84 ± 0.6 mSvy-1 while at...

Author(s):STEPHEN AURICE WEKOYE, ANITAH TUSIMIRE

FOREST COVERS CHANGE IN THE CENTRAL OROMIA: WALMARA DISTRICT: ETHIOPIA (1985-2017)

Article in Press

In Ethiopia, forest cover changes were registered at local level that adds up to the changes observed at the country wise. Like other part of the country the quick spread of deforestation over latest epochs has resulted in the translation of the majority of the Walmara district forest into isolated bits. Geographic information system (GIS) techniques and remote sensing (RS) from satellite platforms offer a way to identify...

Author(s):Tokuma Urgessa, Tadesse Hunduma and Marsha Gebrehiwot

Knowledge, awareness, and the practices of solid waste management in the Sunyani West Municipality of Ghana.

Article in Press

Solid waste management is one of the critical issues in most developing countries that deprive communities of a sustainable environment and access to public health. Yet, few efforts have been done to create awareness of communities about the possible dangers of inadequate waste management and mitigation measures. This study was conducted to obtain baseline information about the knowledge, awareness and practices of solid...

Author(s):Saeed Ibn Idris Kofi Yeboaha, Kamila Kabo-Bah, Amos T. Kabo-Bah, Amoah Theophilus, Ahmed Mustapha Opoku, Obeng Ayman Manu, Gyan Amoah Ronald, Tienaah Micheal,

Variability of the magnetospheric electric field due to high-speed solar wind convection from 1964 to 2009

Article in Press

Focusing on the classification of solar winds into three types of flux: (1) slow winds, (2) fluctuating winds and (3) high speed-solar winds HSSW (V ? 450 km / s on average day), the influence of the convection electric field (EM) via the flow of HSSWs during storms in the internal magnetosphere and on the stability of magnetospheric plasma at high latitudes was investigated. Our study involved 1964-2009 period, which...

Author(s):Zoundi Christian,

Phenology and mechanisms of the early upwelling formation In the southern coast of Senegal

Article in Press

Mechanisms of the interannual variability of upwelling onset dates on the Petite-Cote of Senegal are investigated using daily NEMO model data outputs and NOAA ocean surface temperature observations (OISST). We first determined the phenology (onset dates, end dates, duration and occupied area of the upwelling) over the Petite-Côte located in south of the Senegalese coast. Our results show that upwelling in the Petite-Côte...

Author(s):Malick Wade, Mamadou Thiam, Ibrahima Diba, Bouya Diop

THE ENVIRONMENTAL IMPACT OF LANDFILL FIRES AND THEIR CONTAMINANT PLUMES AT THE CHUNGA LANDFILL SITE, LUSAKA, ZAMBIA.

Article in Press

The management of solid waste is recognised as a challenging activity with respect to the environment, particularly within rapidly growing urban centres in Lower Income Countries. This paper examines the issue of landfill-waste-generated fires and resultant pollution plumes sourced within the Chunga Landfill Site, Lusaka, Zambia. We present the results of a geospatial analysis research programme to map and assess risks...

Author(s):Muleya Milimo, Hinchliffe Graham, Petterson Michael

Characterizing groundwater vulnerability in developing urban settings using DRASTIC-LuPa approach – a case study of Aba City, Nigeria

Article in Press

The impact of certain unregulated land-use activities harms the quality of water resources and reduce the sufficiency of drinking water in many developing countries. This study aimed to capture the impact of such activities and evaluate the specific groundwater vulnerability using a modified DRASTIC approach. The DRASTIC-LuPa was proposed and implemented for Aba City, Nigeria by incorporating land-use and the impact of...

Author(s):Uche Dickson Ijioma, Frank Wendland, Rainer Herd

Analytical detection and quantification of Chlorpyrifos in soil, milk, dip wash, spray race residues using high performance liquid chromatography in Kenyan dairy farms

Article in Press

Organophosphate acaricides have extensive use in livestock to manage Ticks and Tick borne diseases, environmental pollution arise due intensive use. The study was aimed at detection and quantification of Chlorpyrifos in soil, dip wash, spray race residues, milk and milk products from Kilifi, Nakuru and Kajiado Counties. A baseline survey was conducted using questionnaire, formal interview and personal observation to...

Author(s):Atego Norbert

Spatio-temporal dynamics of land use on the expansion of coffee agroforestry systems in Cameroon’s production basins

Article in Press

Diachronic analysis of satellite images was used to assess the spatiotemporal dynamics of land use and land cover change in the coffee production basins of Cameroon, located in the forest agro-ecological zones (Moungo and Haut-Nyong) and the highland humid savannah (Noun). A survey of farmers was carried out to identify land use and changes in the area of coffee agroforests over time. While the period 1980 to 2001 was...

Author(s):MARCIEN KUETE FOGANG, MARIE LOUISE AVANA TIENTCHEU, CHRISTOPHER TANKOU, EUNICE NDO

An Analytical Evaluation of Biogas Production Potentials from Coffee Husk Supplemented with Poultry Manure or Cow Dung

Article in Press

Coffee is one of the important crops as its ingredients are being consumed across the continents in a variety of food products and drink forms, and do possess significant economic importance to the coffee producing areas of Ethiopia. Dry coffee processing units generates husk as solid waste which is commonly dumped in the surrounding areas without any treatment. The aim of this study is to evaluate biogas production...

Author(s):Mulissa Jida, Gamta Sagni, Girmaye Kenasa

Analysis of the deposit conditions of sedimentary series of fluvio-lacustrine and aeolian origin in the Djourab desert, in northern Chad

Article in Press

The detailed sedimentary study of the deposit sequences of the ancient hominid sector (SahelanthropustchadensisalisToumaï) of Toros-Menalla, presented here addresses new aspects of the sedimentary geology of the Chad Basin through an original field study of Moi- sediments. Pliocene of the northern basin of CHAD. This is an original contribution that sheds light on new knowledge of sedimentary series of fluvio-lacustrine...

Author(s):Moussa Abderamane

An Analytical Assessment of Climate Change Trends and their Impacts on Hydropower in Sondu Miriu River Basin- Kenya

Article in Press

Hydropower is cost effective environment friendly and worldwide proven sustainable energy source. Driven by streamflow stream flows, it is vulnerable to climate change and land use change. The hydropower production from the two-existing run-of-river hydropower projects on the Sondu Miriu river are vulnerable to rainfall variability and requires proper understanding of the climate change trends and policies to support...

Author(s):Ochieng Willis Owino, Oludhe Christopher, Dulo Simeon, Olaka Lydia

Uroclhoa mosambincensis A POTENTIAL NATIVE PHYTOREMEDIATOR FOR SOILS CONTAMINATED WITH ARSENIC

Article in Press

Industrial development has caused the contamination of the environment, leading to biodiversity loss and human health concerns. The use of native plants and/or their associated microbiota is a sustainable solution for reducing or transforming contaminants into less harmful forms. We aimed to evaluate the remedial potential of Uroclhoa mosambincensis in soils contaminated with arsenic. In a greenhouse experiment, seedlings...

Author(s):Sónia Isabel Ventura Guilundo, Marta Alberto Aduge, Edmilson Enes Manuel Simango, Domingos Maguengue, Esnaider Rodríguez Suárez, Célia Marília Martins, Orlando António Quilambo

Assessment of healthcare waste Pyrotec model 8 incinerator efficiency as a performance indicator at Muhimbili National Referral Hospital in Dar es Salaam, Tanzania

Article in Press

The performance of a healthcare waste Pyrotec Model 8 incinerator at Muhimbili national referral hospital in Dar es Salaam - Tanzania was investigated using two different types of healthcare wastes namely sharps waste and other waste (mass/weight) and as fractions. The other independent factor used in the investigation was diesel oil consumption. The Pyrotec Model 8 incinerator performance was evaluated by determining how...

Author(s):William Wanasolo and Samwel Victor Manyele

Environmental Contamination and Assessment of Heavy Metals in Water and Sediments of Awash River and Its Selected Tributaries

Article in Press

Awash River is considered as most important river for the surrounding community, but it is vulnerable to anthropogenic activities. Thus, the present study was investigated about the pollution status of Cr, Cu, Mn, Cd, and Pb and their ecological risk in aquatic system of Awash River. Water and sediment samples were collected from selected sampling sites of the river and its tributaries and samples were analyzed. The...

Author(s):Tizazu Hailemariam, Habtamu Wodajo, Alemayehu Esayas, Birhanu Hailu

PHYSICOCHEMICAL ANALYSIS OF STAGNANT SURFACE WATER USED FOR DRINKING PURPOSES FOR LIVESTOCKS IN JARAR ZONE SOMALI REGIONAL STATE OF ETHIOPIA

Article in Press

This research was carried out to investigate the physicochemical parameters of livestock drinking water samples collected from Falfal, Degehabur and Bulale areas in Somali regional state of Ethiopia. The objective of this research was to analyze the physicochemical parameters of water ponds used for livestock drink. The result was recorded that, the pH, Temperature, Total Dissolved Solid and Total hardness was 7.17±0.03,...

Author(s):Abi Legesse, Fantahun Adamu

Pollution Assessment of Light Rare Earth Metals in Sediments of the Ogun River

Article in Press

This research was aimed at determining the concentrations of light earth metals in sediments of the Ogun River as well as their pollution and contamination status. Sediment samples collected using a graduated hand held sediment grab were stored in polythene bags and transported to the laboratory in an ice chested cooler. At the laboratory, the sediment samples were air dried, pulverized and sieved. Induced Couple Plasma...

Author(s):Diayi, M.A., Gbadebo, A.M., Arowolo, T.A. and Awomeso J.A

Assessment of Solid Waste Characterization in Keffi LGA, Nasarawa State, Nigeria in View of Adopting Biogas Technology for Solid Waste Management

Article in Press

The assessment of solid waste characterization in Keffi Local Government Area in view of adopting biogas technology for solid waste management was carried out. This was achieved through assessment of the quantity of solid waste generation and the composition in the study area. Materials used for data collection are weighing scale, waste bins and questionnaire. Stratified and systematic samplings were used to select...

Author(s):Abugu Nkechinyere Anthonia

ASSSESSMENT OF THE PHYSICO-CHEMICAL PROPERTIES OF BOREHOLE WATER IN GWAGWALADA AREA COUNCIL ABUJA, NIGERIA

Article in Press

The assumption that borehole water is safe for drinking purpose was verified by empirical study of the physico-chemical properties of borehole water in Gwagwalada Area Council Abuja, Nigeria. The physico-chemical properties of borehole water were anaysed and compared with regulatory standards for drinking purpose. Fifteen samples were collected from five purposely selected wards (Dobi, Ibwa, Tungan-Maje, Zuba and Ikwa) in...

Author(s):Abugu Nkechinyere Anthonia, Oladeinde Olufemi Stephen, Dada Ibilewa and Mustapha Aliyu

Improving future temperature projections with bias correction methods in Lake of Guiers/Senegal

Article in Press

Climate models are generally used to evaluate the climate change impacts. However, they have important biases at the regional or local scales. This study evaluates the future temperature projections in Lake of Guiers/Senegal. For this, we used the daily maximum and minimum temperature from the ensemble mean of five (5) CORDEX (Coordinated Regional climate Downscaling Experiment) regional climate models (RCMs) under the...

Author(s):Alioune Badara Sarr

Innovative technology trumpeting for bringing country’s total sustainable prosperity –A case of Burkina Faso and neighboring countries

Article in Press

With time population and needs have changed many folds and at the same time researchers endeavored to enhance resources and their productivities world over. There have been some noble innovations of universal applications and bring fast improvement in the situations. Objective of the present study was to collate innovations which improve different sectors of needs in Burkina Faso, where socio-economic condition has worsen...

Author(s):R.C. Yadav

BENTHIC MACROINVERTEBRATES IN THE BIOMONITORING OF A NIGERIAN COASTAL WATER

Article in Press

Most coastal waters are exposed to high influx of pollutants due to the obvious elevated human activities. In order to adequately evaluate the extent of toxicity of contaminants in the ecosystem, and their synergistic effects, marine ecologists prefer biomonitoring to chemical approach. The benthic macroinvertebrates, due to their sedentary mode of life and residence at the sediment-water microcosm, are regarded as the...

Author(s):Joseph A. Nkwoji

2.2’-DIPHENIC ACID: A RELIABLE BIOMARKER OF PHENANTHRENE BIODEGRADATION

Article in Press

Phenanthrene is among the 16 priority pollutants thus its mitigation in the environment has been a global concern. It serves as a model compound for the biodegradation study of polyaromatic hydrocarbons (PAHs) because it has both the Bay- and K-region found in most PAH pollutants. Like other PAH pollutants, different means are available for its remediation in the environment, including microbial biodegradation. The...

Author(s):Emmanuel Oliver Fenibo

Geography Information System (GIS) and Remote sensing Based Flood Risk Assessment and Mapping: The Case of Dikala Watershed in Kobo Woreda Amhara Region, Ethiopia

Article in Press

Floods are the most devastating natural occurrences that affect both natural and manmade features existing on the earth's surface. The study area found in the low laying areas of Amhara Region characterized by intensive human activities, a steep slope, heavy rainfall during summer with high drainage density and dominantly verti soil type, proximity to the river were identified as the main factor increasing flood risk....

Author(s):Wondim Almu Ayenew, Kassahun Wubalem Bantie and Hailu Ayene Kebede

Assessment of Farmers Adaptive Capacity to Climate Variability in the Federal Capital Territory (FCT), Abuja, Nigeria

Article in Press

The study assessed the adaptive capacity of crop farmers in the six Area Councils of FCT using Geoinformatics. Socio-economic indicators were used to map the adaptive capacity of FCT farmers to climate variability from 1981-2017. The arable crops considered are: yam, beans and maize. The selected climatic variables based on their importance to crop production are: rainfall, temperature, relative humidity and potential...

Author(s):Dada Ibilewa, Samaila K. Ishaya and Joshua I. Magaji, Mustapha Aliyu

Analysis of Land use and land cover changes detection within urban watersheds: The case of Addis Ababa Ethiopia

Article in Press

Watersheds around Addis Ababa are critically threatened by rapid urbanization expansion. This study aims to explain the rate of urban expansion and interaction with communities around the city. GIS and RS were used to evaluate the Land use and Land cover changes and urban expansion in the last 30 years using Landsat images and selected households. Results revealed that agricultural/bare land increased by 29.02% from 1984...

Author(s):Bereket Tesfaye Haile, Kassahun Ture Bekitie and Alazar Alemayehu

Briquette Production from Sugar Cane Bagasse and its potential as clean source of energy

Article in Press

Large quantities of bagasse are regularly accumulated on open spaces around sugar factory thereby endangering fragile ecosystem. The sugar cane bagasse carbonization process can be put in to effect as an environmentally friendly, energy self-providing continuous flow technology. Therefore, the objective of this study was to use bagasse for the production of high caloric value briquette to safeguard the environment from...

Author(s):Messay Emana Getu, Birhanu Ayalew Abebe, Mulissa Jida Midekssa and Genet Tsegaye Araya

A Community Perspective of flood occurrence and weather forecasting over Kampala City

Article in Press

Weather and climate issues have become increasingly recognized among the global challenges especially in the era of climate change. Kampala city has faced a number of flooding events in the past that have led to serious damages in many low lying areas of the city. A study was conducted in one of the flood prone areas in Kampala city to understand the community perspectives on flood occurrence and weather forecasting in the...

Author(s):Nimusiima Alex

IMPACT OF MINING ON ENVIRONMENT: A CASE STUDY OF TAITA TAVETA COUNTY, KENYA

Article in Press

Research on the impacts of mining on the environment was conducted on nine purposive selected mining sites in Kamtonga and Mkuki, Taita Taveta County, Kenya. The FOLCHI method was adopted to quantify the environmental impact of mining activities in gemstone mining sites. The affected environment surrounding the pits was broken down into three components such as Topography, Vegetation and Air. The effect of the three...

Author(s):Irene Wakio Mwakesi, Raphael Githiga Wahome, Daniel Weru Ichang’i

Characterization of healthcare waste in Tanzanian zonal referral hospitals as a key factor for energy recovery

Article in Press

In this study, healthcare waste (HCW) generated in four referral hospitals in Tanzania namely: Muhimbili National Hospital (MNH), Kilimanjaro Christian Medical Center (KCMC), Bugando Medical Center (BMC) and Tumbi Regional Referral Hospital (TRRH) was characterized to establish its feasibility for energy recovery. The HCW collected and loaded into the incinerators was weighed and its composition determined (as highly...

Author(s):P. R. Mwaria , M. E. Kaseva, S. V. Manyele

CLIMATE MODELS BIASES AND CORRECTION METHODS EVALUATION IN MOUHOUN RIVER BASIN, BURKINA FASO

Article in Press

Projected climate change in the Sahel region could strongly affect water resource availability and further compromise food security. Like other Sahelian countries, water resources in Burkina Faso face this threat. This study evaluates five precipitation bias correction methods on climate models outputs in the Mouhoun river basin. Climate Hazards InfraRed Precipitation with Stations (CHIRPS) products merged with Comité...

Author(s):Mahamadi TABSOBA, Abdou ALI and M'po Yèkambessoun N'TCHA

Physicochemical and metal quality evaluation of the ground water of the chief town of Sinthiou Maléme Commune in Tambacounda (Senegal)

Article in Press

In the countries underdeveloped in particular in medium rural, the subsoil waters constitute an invaluable resource but they remain fragile and vulnerable because of the demographic pressure, of the uncontrolled exploitation of the discharges, the absence of system of adequate cleansing and of husbandries. This present work aims to evaluate physicochemical and metal quality waters of 10 wells collecting the ground water of...

Author(s):Maoudo hane; Ibrahima diagne; Momar ndiaye; Cheikh Tidiane dione; Dame cisse; Birame ndiaye; Abdoulaye diop

HYDROLOGICAL RESPONSE TO LAND USE AND LAND COVER CHANGES OF RIBB WATERSHED, ETHIOPIA

Article in Press

The analysis examined the Covering the surface within the catchment and its effect on the catchment's hydrological responses. The Soil and Water Assessment Tool (SWAT2009) model was wont to investigate the impact of land cover change on hydrological responses of the study area. Sensitivity analysis result shown SCN curve number (CN), Soil Evaporation Compensation Factor (ESCO), Soil Depth (m) (Sol_Z), Threshold water...

Author(s):Solomon Bogale Aynalem

Strategic Factor Analysis of Solid Waste Management in Southwestern Ethiopia: The Case of Jimma Metropolitan City

Article in Press

Introduction: Solid waste management is a cosmopolitan environmental problem confronting humanities and metropolitan authorities by contributing 80% of all diseases and related mortality. There is low commitment in managing urban environmental issues. Consequently, Solid waste disposal is an important environmental area of concern since information is barely available in the study area. Objective: To measure solid waste...

Author(s):Berhanu Megerssa

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