
Concentration Levels of Heavy Metals and Selected Ions in …
This study was conducted in Addis Ababa city, particularly in the Little Akaki River basin. The Little Akaki River basin is located in the western part of Addis Ababa and the river flows starting from northwest upstream of the city about 40 km before it reaches the downstream of the Aba reservoir which is indicated in Figure 1.

Levels of trace elements in PM10 collected at roadsides of Addis Ababa …
The elemental composition was analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES). The mean concentrations of PM 10 ranged from 206 to 308 μg m-3. The highest concentrations of pollutants were found in the major open-market part of the city, Addis Ketema. The lowest concentrations were found at …

Addis Ababa Air Quality Index (AQI) and Ethiopia Air …
What are the sources of Addis Ababa's polluted air? Having reviewed a few studies that have been conducted in Addis Ababa the concentration levels of the microscopic …

Assessment of the Physicochemical and Heavy Metal Concentration …
Materials and Methods Study area This study was employ on the city of Addis Ababa. Addis Ababa Int J Waste Resour, an open access journal ISSN: 2252-5211 (9°N, 38.5° E) is the capital city of the Federal Democratic Republic of Ethiopia situated in the high plateaus of central Ethiopia in the NorthSouth oriented mountain system neighboring the ...

Determination of heavy metal concentration in soils used …
Abstract Garlic is the most widely used bulb crop next to onion in Ethiopia. It has been used in many local peoples of Ethiopia as a flavoring agent in food and medicinal value for different diseases. The concentrations of eight heavy metals (Fe, Zn, Mn, Cu, Co, Ni, Cd, and Pb) in soil samples used for cultivation of garlic in East Gojjam Zone …

Statistical Analysis of Spatial Distribution of Ambient Air …
Ambient air pollution has recently emerged as a major global public health issue, causing a variety of negative health impacts even at the lowest measurable concentrations. This study aims to analyze the spatial distribution of ambient air pollution in Addis Ababa, Ethiopia. The study was based on cross-sectional data collected from …

Ethiopia: Ethnic Tigrayans Put Into …
Thousands of ethnic Tigrayans are being put into "concentration camps," tortured and brutally killed in Ethiopia as part of an ethnic purge, a report from The Telegraph says.. The violence is the ...

Contribution of congested traffic flow condition to air …
Addis Ababa is a seat of the African Union and there are more than one hundred Embassies in the city, from different countries. Based on the 2017 census data, …

Heavy Metal Concentration in the Urban Environment of Addis Ababa …
The maximum concentration of total chromium measured is 269 ppm in the northern, industry-free zone of Addis Ababa in the B 2-horizon of soil profile (cambisol). The Ni/Cr ratio in the rocks is higher than soils, which could indicate the presence of high concentrations of Cr in soils is from weathering processes.

Seasonal characterization of municipal wastewater and …
Rapid urbanization and industrialization are increasing fresh water consumption and lead to a corresponding rise in wastewater generation. Because of insufficient capacity of wastewater treatment, many of Addis Ababa's residents are forced to dispose domestic waste into the environment. The purpose of this study was to …

Assessment of Heavy Metals Concentration in Agriculture …
Abstract: This research evaluated the concentration and distribution of heavy metals (Chromium (Cr), Lead (Pb), & Cadmium (Cd)) in the vegetable field in the Kolfe area, Addis Ababa. Soil samples are tested for pH and heavy metals. Heavy metals in the soil are higher than the earlier report [1]. However, concentrations of heavy metal were …

Concentration levels of metals in vegetables grown in soils …
Highlights Trace metal contents of vegetable samples in Addis Ababa, Ethiopia. Trace metal concentration in irrigation water used in vegetable farms. Trace metal concentration in soils in the vegetable farms. Cd and Pb in the vegetables surpassed the maximum recommended levels. Trace metal concentrations in soils of …

Fine particulate pollution concentration in Addis Ababa
Real-time monitoring of fine particulate matter (PM 2.5) concentrations and assessing the health impact are limited in Ethiopia.The objective of this study is to …

Fine particulate pollution concentration in Addis Ababa exceeds the WHO guideline value
Diurnal pattern of PM 2.5 concentration by day of the week, Addis Ababa, Ethiopia, 2017-2020. +4 Daily pattern of 24-hour average PM 2.5 concentrations in Addis Ababa, Ethiopia, 2017-2020.

Heavy Metal Concentration in the Urban Environment of Addis Ababa …
This work assesses the issue of whether the measured concentrations of heavy metals in soil, rocks, surface and ground waters in Addis Ababa can be related to anthropogenic contamination or ...

Spatial and Temporal Analysis of Particulate Matter and …
Vehicles are one of the main contributors to outdoor air pollution in urban areas of developing nations. Addis Ababa is experiencing the fastest rate of urbanization with increasing heavy traffic across the city. Megenagna is one of the city's busiest transportation hubs, connecting traffic to most of Addis Ababa's lower town via major …

Master of Arts in Migration and Refugee Studies with concentrations
Founded in 1950, Addis Ababa University is a leading English-language institution of higher education and centre of intellectual, social and cultural life of the Arab world. Its community of students, parents, faculty and staff, trustees, alumni and other generous sponsors represent more than 60 countries.

Concentration Levels of Heavy Metals and Selected Ions in …
Concentration Levels of Heavy Metals and Selected Ions in the Irrigation Water: The Case of Little Akaki River, Addis Ababa, Ethiopia April 2022 DOI: 10.5772/intechopen.103677

Update on Continued Identity-Based Persecution of Amhara …
The late Esayas had been detained in a concentration camp in Semera town (Afar Region) located 590-km away from his place of residence in Addis Ababa city. On May 19th, 2024 the concentration camp where he was held in Semera was closed and the other detainees were transported to Addis Ababa city and denied contact with …

Environment Pollution and Climate Change
Anthropogenic emission of GHG since the pre-industrial era increased the concentration of carbon dioxide and methane in the atmosphere between the ... and the surrounding Oromia special zone towns namely Sebeta, Burayu, Gelan, Dukem, Sululta, and Legedadi Legetafo. Addis Ababa is the capital city of Ethiopia, located almost at the center of the ...

Distribution of helminth eggs in environmental and stool …
Background Helminth infections are a public health issue in countries with poor sanitation facilities. However, there little information on the epidemiological association between helminths in wastewater and soil samples and rates of helminth infection among farming s along the Akaki River in Addis Ababa, Ethiopia. Methods A cross …

Fine particulate pollution concentration in Addis Ababa …
Fine particulate pollution concentration in Addis Ababa exceeds the WHO guideline value ... Addis Ababa is the largest city in Ethiopia regarding size and population. An estimated 4.6 million ...

Assessing pollution profiles along Little Akaki River receiving
The highest concentration of TDS, TSS, and Salinity may occur due to dissolved and suspended solids input into the river system from human activities; these are Addis Ababa City abattoir wastes, domestic and sewerage generating wastewaters containing detergents and salts, metal works, garages, surface drainage for irrigated …

Assessment of Heavy Metals Concentration in Agriculture …
Studies done in Addis Ababa, Ethiopia, on the concentration of heavy metals by Itana (1998) and Fantaye et al. (2003), hinted that there exists limited information concerning the concentration of heavy metals in roadside soils and plants. Furthermore, there is no data regarding metal concentrations in contaminated roadside soils of Oromia ...

ADDIS ABABA UNIVERSITY SCHOOL OF GRADUATE …
A Thesis Submitted to the School of Graduate Studies, Addis Ababa University College of Health Science, School of Medicine, and Department of Physiology in Partial Fulfilment of the Requirement of Master's Degree in Medical Physiology . Feb, 2020 . Addis Ababa, Ethiopia . GSJ: Volume 8, Issue 4, April 2020 ISSN 2320-9186 2367 GSJ© 2020

The spatial and temporal variation of fine …
Background Evidence suggests ambient fine particulate matter (PM2.5) is a risk factor for cardiovascular diseases, lung cancer morbidity and mortality, and all-cause mortality. Countries that …

{Pattern and Trend of Particulate matter (PM2.5) Pollution …
BACKGROUND AND AIM[|]Vehicular emissions, biomass used for cooking, construction and open waste burning are the main sources of air pollution in Addis Ababa. The on-road vehicular density has been in continuous growth for the last two decades. Real-time monitoring of particulate matter (PM2.5) concentrations is limited in …

Variability in plasma rifampicin concentrations and role of
Subtherapeutic rifampicin plasma concentrations occurred in two-thirds of Ethiopian TB patients. Rifampicin exposure varied with , dose and genotypes. AADACc.841G/G and ABCB1c.4036A/A genotypes and male patients are at higher risk of lower rifampicin plasma exposure. ... Addis Ababa University, Addis Ababa, Ethiopia. 4 Department of ...

Ethiopia Air Quality Index (AQI) and Air Pollution information …
A study conducted in Addis Ababa found that PM10 concentrations measured in urban areas in the dry months of January and February were higher (< 100 µg/m 3) than those in suburban areas (40 µg/m 3) at the same time of year. The PM10 particulate, lead (Pb), concentrations in all of the samples collected for the study were < 0.1 µg/m 3. This ...

Roadside vehicle particulate matter concentration estimation using
Currently, vehicle-related particulate matter is the main determinant air pollution in the urban environment. This study was designed to investigate the level of fine (PM 2.5) and coarse particle (PM 10) concentration of roadside vehicles in Addis Ababa, the capital city of Ethiopia using artificial neural network model.To train, test and validate …