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
We present a Support Vector Machine (SVM) approach to the localization of hazardous particulate releases in an urban area using features constructed only from measurements obtained from a network of sensors.
Authors: Ronald Taylor Locke and Ioannis Ch Paschalidis
CA-ANN models which integrate Cellular Automata (CA) and Artificial Neural Networks (ANNs) for simulating land use change, usually urban and non-urban, predict the final land use type of a cell by the greatest...
Jatropha is an oil-bearing plant growing in tropical and subtropical regions of the world within 30°N and 35°S latitudes. It is considered as a potential solution to the prevailing shortage of fossil fuel and ...
Algal mass occurrences are one of the most distinguishing effects of eutrophication in lakes and the coastal waters of the Baltic Sea. Algal bloom occurrence in water bodies varies greatly in terms of both spa...
Authors: Ville Kotovirta, Timo Toivanen, Marko Järvinen, Matti Lindholm and Kari Kallio
The widespread land degradation in Ethiopia has necessitated extensive soil and water conservation interventions over the last four decades. Despite these the degradation of land continues. The conservation in...
Authors: Ahmed Amdihun, Ephrem Gebremariam, Lisa-Maria Rebelo and Gete Zeleke
Newfoundland and Labrador (NL) has one of the highest waste disposal rates in Canada and it has 200 small communities without access to central composting facilities. During Municipal solid waste (MSW) compost...
Authors: Khoshrooz Kazemi, Baiyu Zhang, Leonard M Lye and Weiyun Lin
The aim of this work is to propose a new river water quality index using fuzzy logic. The proposed fuzzy index combines quality indicators’ prescribed thresholds extracted mainly from the Moroccan and the Queb...
Authors: Asmaa Mourhir, Tajjeeddine Rachidi and Mohammed Karim
With the characteristics of low pollution and low energy consumption, the magnetohydrodynamics has made widely attention. This paper provides the standard energy method to solve the magnetohydrodynamic equatio...
Energy system management is an important tool for regional energy and environmental development, and many parameters and their interrelationships in energy-environmental management model appear complexity and ...
Authors: Wei Li, Xiaoyu Liu, Guanzhong Sun, Ling Ji and Guohe Huang
Land use suitability assessment is a key factor in any urban and suburban planning and decision-making processes. The assessment is evaluated by a series of criteria involving socio-economic needs. To deal wit...
Moisture-induced suction changes in expansive soils due to infiltration and evaporation result in failure of civil infrastructure. The objective of this paper was to develop a two stage deformation model by si...
In the context of the knowledge of the functioning of estuaries and the evolution of abiotic factors on the basis of the marine dynamics, a study was conducted at the level of the Loukkos river estuary.
Traditional and indigenous communities in India are of the religious belief that medicinal groves and plants are sacred in nature. Sacred groves (SGs) are patches of trees on forest land that are protected com...
Waste management problems are subject to uncertainties presented as intervals, random variables and/or fuzzy sets. During the past 20 years, inexact programming methods have been developed and applied increasi...
Authors: Wei Sun, Chunjiang An, Gongchen Li and Ying Lv
The integrative assessment of responses to environmental disturbance simultaneously considering multiple taxonomic groups or guilds has become increasingly important in ecological monitoring. The most common s...
Authors: Melanie Mueller, Joachim Pander and Juergen Geist
Raster-based digital elevation models (DEMs) play an important role in distributed hydrologic modeling supported by geographic information systems (GIS). In this study, DEMs and stream network data were used t...
China's inland nuclear power plants plan has been suspended until 2015 since Fukushima disaster. The policy on inland nuclear power plants becomes uncertain. This paper provides an overview of inland nuclear p...
This study tested a first-order perturbation method based on Karhunen-Loevè expansion (FP-KLE), to analyze flood inundation modeling under uncertainty. The floodplain roughness over a 2-dimensional domain was ...
Climate change is a significant and long-term change in the weather patterns over periods ranging from decades to millions of years. The impacts of climate change have been drawn more and more worldwide attent...
In this study, we applied the geostatistical modeling to analyze an oil field. The reservoir properties, thickness, porosity and permeability, were studied. Data analysis tools, such as histogram, scatter plot...
Authors: Shan Zhao, Yang Zhou, Mengyuan Wang, Xiaying Xin and Fang Chen
The interactions among biosurfactant, soil components and PAHs govern the efficiency of biosurfactant enhanced remediation, which was still poorly studied. In this study, we investigated effects of biosurfacta...
The Three Gorges Reservoir (TGR) has been facing deteriorated water quality issues since the construction of the Three Gorges Dam (TGD) in 1994. However, no previous studies have used a simulation-optimization...
Authors: Zheng Wang, Shuiyuan Cheng, Lei Liu, Xiurui Guo, Yuan Chen, Cuihong Qin, Ruixia Hao, Jin Lu and Jijun Gao
Labeling of carbon foot-prints (CFPs) for products and services is regarded as a convenient and effective method for reducing greenhouse gas (GHG) emissions. Life cycle analysis (LCA) is a useful tool for exam...
Authors: Wencong Yue, Yanpeng Cai, Qiangqiang Rong, Lei Cao and Xumei Wang
In the process of decision making to combat heavy metals pollution, it is essential to have accurate quantitative information about heavy metals and their pollution hot-spots. The main purpose of this study wa...
Authors: Alireza Soffianian, Elham Sadat Madani and Mahnaz Arabi
Anthropological activities could lead to various land use changes. This subsequently exerts impacts on the Ecological status as the land is the carrier of Ecosystems and their services. Ecosystem Services Valu...
Authors: Jin Si, Fuzhan Nasiri, Peng Han and Tianhong Li
Based on the monthly data of river runoff and major ion contents of the mainstream of the Yellow River during the period of 1956–2009, the effects of climate change on the trends of water quantity and major io...
Non-point source (NPS) pollution, has been dominant in many urban areas, causing nutrient loss, water body pollution and aqueous systems damaging. Among the pollutants, nitrogen is a key nutrient which can cau...
Authors: Xiaowen Ding, Yongwei Gong, Chunjiang An and Ming Lin
This paper provides an advance numerical algorithm to solve both ordinary and partial differential equations of surface water quality models. It uses finite difference methods and structures explicit or implic...
Authors: Lei Jin, Aili Yang, Li Wang and Haiyan Fu
Environmental decisions can be complex because of the inherent trade-offs among environmental, social, ecological, and economic factors. This paper presents a novel hybrid fuzzy stochastic analytical hierarchy...
Authors: Liang Jing, Bing Chen, Baiyu Zhang and Hongxuan Peng
Water transparency is one indicator of water quality. High water transparency is an indication of clean water. A common method for measuring water transparency is Secchi depth. In this paper, we present an app...
Authors: Timo Toivanen, Sampsa Koponen, Ville Kotovirta, Matthieu Molinier and Peng Chengyuan
Two alternative procedures currently exist for efficient carbon dioxide (CO2) emissions control: carbon emission trading and proportional carbon tax. This article explores which of the two is more desirable and e...
Sustainable management of mine waste tailings during operation, closure, and reclamation requires a clear understanding of modeling the large-strain consolidation behaviour of these loose and toxic slurries. A...
The purpose of this work was to demonstrate an approach to groundwater remedial design that is automated, cost-effective, and broadly applicable to contaminated aquifers in different geologic settings. The app...
Authors: Larry M Deschaine, Theodore P Lillys and János D Pintér
Environmental concerns have promoted the rise of low emissions “green” power technologies such as solar power. In part to make these technologies of economic interest to investors, many green energy policies h...
Soil salinity is a critical environmental problem in many countries around the world especially the arid and semi-arid countries like South Africa. The problem has great impact on soil fertility which in turns...
Authors: George M Ochieng, Olumuyiwa I Ojo, Fredrick AO Otieno and Beason Mwaka
The management of the health of urban lake systems is often reactive and is instigated in response to poor aesthetic quality or physicochemical measurements, rather than from an overall assessment of ecosystem...
Authors: Aaron N Wiegand, Christopher Walker, Peter F Duncan, Anne Roiko and Neil Tindale
In this paper, the performances of different forecasting systems are compared using the daily maximum ozone levels across three locations in Kuwait. The two analytical tools used in this study to forecast dail...
This paper examines a serious issue - whether future generations of utility should be discounted. The issue is of vital importance because future generations will never have the opportunity to reveal their pre...
The Graph Model for Conflict Resolution methodology is used to formally investigate the nuclear power dispute that took place in the Canadian province of Ontario in order to obtain strategic insights into its ...
Authors: Motahareh Armin, Keith W Hipel and Mitali De
Air pollution represents non uniform trends particularly in dense urban areas which arises the necessity for pollution monitoring at finer resolution. Since recent advancements in electrochemical technology ha...
Authors: Jahangir Ikram, Amer Tahir, Hasanat Kazmi, Zonia Khan, Rabi Javed and Usama Masood
This paper presents guidelines and examples of good practice for the usage of climate model simulation results and some rationale for their application. These guidelines are relevant to climate modellers as we...
Authors: Frank Kreienkamp, Heike Huebener, Carsten Linke and Arne Spekat
