Agriculture is the most susceptible sector to climate change related hazards in Ethiopia. Any minor change in temperature from the normal conditions imposes a severe challenge on the agricultural dependent peo...
This paper proposes the dynamic way of utilizing the maximum power from solar for battery charger by means of maximum power point tracker with the new controlling parameter for improving the stability in power...
Understanding the landscape features of agricultural lands and soil management practices is pertinent to verify the potential and limitations of the soil resources; and devise relevant land management strategi...
Authors: Fanuel Laekemariam, Kibebew Kibret, Tekalign Mamo, Erik Karltun and Heluf Gebrekidan
Globalization and rapid industrialization was inevitable during late nineteenth century considering the demand–supply deficit and requirements of evolving societies. However, at later stage these factors were ...
Authors: Abdul Qayum, Anjana Gupta, Akanksha Gupta and Rakesh Arya
Low soil fertility is recognized as the major constraint to food production and food security in Ghana. An important practice that restores some level of fertility is long fallow, however this is no longer pra...
Authors: Benedicta Y. Fosu-Mensah and Michael Mensah
This study investigated the prevention of stack corrosion under wet flue gas desulfurization conditions in a coal-fired power plant. The performance analysis and comparative studies of six materials for the pr...
Authors: Shan Zhao, Yi Zhao, Yinghui Han, Chunjiang An, Jia Wei and Yao Yao
Stakeholders are often required to make judgments and decisions about the tradeoffs between multiple competing objectives inherent in any engineering design. Design optimization can provide decision support fo...
Authors: Lucas J. Howard, Ian A. Anderson, Kristen L. Underwood, Mandar M. Dewoolkar, Larry M. Deschaine and Donna M. Rizzo
Produced water from offshore oil and gas platforms is often disposed of directly into the sea, and there has been concern that this discharge might have deleterious effects on the marine environment. To help u...
Authors: Haibo Niu, Kenneth Lee, Brian Robinson, Susan Cobanli and Pu Li
Land use changes from forests to farmland and grazing land and subsequent changes in soil physical and chemical properties that results in soil fertility decline are widespread activities in Ethiopia. Particul...
The hazards of pesticide exposure have been a growing concern globally. The increase of susceptibility of farmers to pesticide intoxication is due to lack of knowledge regarding safe and proper pesticide handl...
Authors: Elvis Dartey Okoffo, Michael Mensah and Benedicta Yayra Fosu-Mensah
The primary reason to study summer monsoon (long rain season) all over Ethiopia was due to the atmospheric circulation displays a spectacular annual cycle of rainfall in which more than 80 % of the annual rain...
Many years of gold mining in Ghana has generated huge environmental legacy issues, particularly contamination from heavy metals and metalloids. The present study evaluated the contamination from arsenic (As), ...
Authors: Jonathan N. Hogarh, Ernest Adu-Gyamfi, Daniel Nukpezah, Osei Akoto and Sam Adu-Kumi
Climate change is one of the greatest environmental threats facing our world in recent decades. As Ethiopia is dependent on rain–fed agriculture, it becomes one of the most vulnerable countries to climate chan...
Farmers apply several and often different farmer-specific strategies to cope with and adapt to the perceived trend of declining rainfall and crop productivity. A better understanding of the factors affecting f...
The main purpose of this paper was to identify the status of rural women to access and control over land in East Gojjam since 1974. Despite measures taken to ensure gender equality in land ownership since 1974...
Ethiopia has huge water resource potential. However, it contributed little to access to clean and safe drinking water supply and socio-economic development. The objective of this study was to assess water acce...
Authors: Getachew Demie, Mulugeta Bekele and Berhanu Seyoum
Pests and diseases are recognised as major factors responsible for the decline in cocoa yield in Ghana. This has resulted in an increased use of pesticides to increase productivity. The regular application and...
Authors: Benedicta Yayra Fosu-Mensah, Elvis Dartey Okoffo, Godfred Darko and Christopher Gordon
Generalized linear models (GLM) are widely used to model social, medical and ecological data. Choosing predictors for building a good GLM is a widely studied problem. Likelihood based procedures like Akaike In...
This study was aimed at examining land use/cover changes over 48 years and its causative factors in the Gumara watershed of Lake Tana basin, Northwestern Ethiopia. Two sets of aerial photograph (1957 and 1985)...
Authors: Mesfin Anteneh Wubie, Mohammed Assen and Melanie D. Nicolau
Agriculture is the most susceptible sector to climate change related hazards. Unusual temperature and rainfall occurrence in terms of amount and distribution usually lead to poor harvest and/or complete crop f...
Authors: Solomon Addisu, Getachew Fissha, Birhanu Gediff and Yemane Asmelash
Climate variability causes enormous suffering particularly on rural farmers’ whose livelihoods depend largely on rain-fed agriculture. Ethiopia in general the Dera woreda in particular is not an exception in ...
Short term current prediction for operational purposes is commonly carried out with the help of numerical
ocean circulation models. The numerical models have advantage that they are based on the physics of the...
Authors: Dauji Saha, M. C. Deo, Sudheer Joseph and Kapilesh Bhargava
Mercury (Hg) used in gold amalgamation is a major source of contamination in developing countries. The present study evaluates the concentrations of total mercury in water, sediment and fish from the Ankobra a...
Authors: Noah Kyame Asare-Donkor and Anthony Apeke Adimado
Phosphorus is believed to be the second most limiting nutrient for crop growth and development in acidic soils. It is mainly because the amount of P in the soil is inherently low and part of it is fixed and ma...
Bangladesh is widely recognized to be one of the most climate vulnerable countries in the world and climate change issues are being one of the major focuses of the government and other development agencies of ...
Water is a vital resource for human survival. Safe drinking water is a basic need for good health, and it is also a basic right of humans. The aim of this study was to analysis drinking water quality and its e...
Air quality is well recognized as a contributing factor for various physical phenomena and as a public health risk factor. Consequently, there is a need for an accurate way to measure the level of exposure to...
Authors: Shai Moshenberg, Uri Lerner and Barak Fishbain
To identify and quantify the impact of climate change on socio-economic sectors and ecosystems, many global studies have been carried out and policy changes for mitigation and adaptation were recommended. Howe...
Authors: Solomon Addisu, Yihenew G. Selassie, Getachew Fissha and Birhanu Gedif
Photovoltaic (PV) array which is composed of modules is considered as the fundamental power conversion unit of a PV generator system. The PV array has nonlinear characteristics and it is quite expensive and ta...
The global changes that are currently threatening the natural environment demand appropriate answers and solutions by the environmental science community. The increasing amount of heterogeneous data—Big Data—n...
Authors: Denisa Rodila, Nicolas Ray and Dorian Gorgan
This retrospective study was aimed to examine the distribution of some physicochemical parameters and its health impact in selected drinking water sources of Ethiopia. The study used 983 water samples collecte...
Nitrogen is the most limiting nutrient for crop growth and development; and as in most soils of Ethiopia, the soils of the study area are deficient in nitrogen. Therefore, the objective of this research was to...
Solar module is considered as fundamental power transformation unit of Photovoltaic (PV) generation system. The performance of a PV array strongly depends on operating environmental conditions such as operati...
Currently in Ethiopia, Ecotourism is expanding around hot springs, and the increasing recognition of the value of this smokeless industry suggests that there will be a rekindling of interest in thermal springs...
Authors: Sisay Derso, Abebe Beyene, Melaku Getachew and Argaw Ambelu
Groundwater quality is among the most important environmental issues as a result of heavy metals contamination from anthropogenic sources. Concentrations of heavy metals in hand-dug wells from Ejisu-Juaben Mun...
Authors: Thomas Kwame Boateng, Francis Opoku, Samuel Osafo Acquaah and Osei Akoto
Land degradation and unsustainable management practices have resulted in soil organic carbon and nutrient depletion, hydrological instability, reduced primary productivity, and low biological diversity. In res...
Authors: Fantaw Yimer, Getachew Alemu and Abdu Abdelkadir
The discharge of the River Brah
maputra is highly affected by the melting of snow at the upper part of its catchment. Increase in discharge due to significant retreat of snow in turn affects the downstream flo...
Historically human being exist in harmony with their environment. However, the current rapid urbanization, industrialization and expansion of different economic activities were lead to contamination of environ...
Recent advances in
microbial ecology are providing unprecedented opportunities to test Baas Becking’s oft-cited “everything is everywhere, environment selects” axiom. A number of recent studies have brought t...
As declared by UNESCO, Qanats are considered as a great human heritage. For many centuries, they presented a rational way of groundwater management in arid rural areas. This paper aims at revisiting this ancie...
Authors: Fuzhan Nasiri and Mohammad Saleh Mafakheri
Surface water represents significant source of fresh water for irrigation and drinking purposes and therefore preserving the availability and quality of this resource is extremely important. Surface water samp...
Authors: Noah Kyame Asare-Donkor, Edward Ebow Kwaansa-Ansah, Francis Opoku and Anthony Apeke Adimado
Due to common bean derives lower nitrogen (N) from symbiotic N2-fixation, it requires N either from inorganic fertilizer or soil N. Field experiments were conducted at four locations to evaluate the effect of Rhi...
In Central Rift Valley (CRV) of Ethiopia, renewable land resources are under pressure. Acacia woodland clearance, frequent cultivation, crop residue removal and mono-cropping are among the major land mis-manageme...
Authors: Gurmessa Biyensa, Ambachew Demissie and Bekele Lemma
Unsafe and non-productive disposal of food waste pollutes the environment. Biodegradable food wastes have been composted and applied to soil as an amendment to improve the soil properties and fertility while i...
“habitat classification models” are invaluable tools for species conservation, land-use planning, reserve design, and meta-population assessments, particularly at broad spatial scales”. Globally, there are at ...
Authors: Khaled Allam Harhash, Mohmmed Talaat El-Henawy, Haitham Farouk Abdel Fattah and Mohammed Sameh Antar
The contact process preferably used vanadium pentaoxide as catalyst to increase the rate of reaction of producing sulphuric acid. Sulfuric acid plants regularly require catalyst replacement in order to cope wi...
The Ethiopian government has been implementing watershed management mainly through public campaign work. However, its effects have not been evaluated in many micro-watersheds. This study evaluates watershed ma...
Increased flooding and newly formed rills and gullies were observed in the Cheleleka wetland watershed, over the past three to five years. These events are due to problems related to land use changes and are a...
Authors: Kebede Wolka, Habitamu Tadesse, Efrem Garedew and Fantaw Yimer
Nonlinear relationships are common in the environmental discipline. Spreadsheet packages such as Microsoft Excel come with an add-on for nonlinear regression, but parameter uncertainty estimates are not yet av...
Authors: Wei Hu, Jing Xie, Henry Wai Chau and Bing Cheng Si
Land degradation is one of the major threats to food security and natural resources conservation Zikre watershed. The objective of the study was to investigate the effects of land use types, management practic...
Authors: Yihenew G Selassie, Fentanesh Anemut and Solomon Addisu
