Volume 7, Issue 2 (2011) | American Journal of Environmental Sciences

Assessing the Environmental Impacts of Urban Growth Using Land Use/Land Cover, Water Quality and Health Indicators: A Case Study of Arequipa, Peru

Oswaldo Villena Carpio — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.90.101

Problem statement: This research assesses the direct effects of urban expansion on land cover/use, river flow, water quality and the indirect effects of these variables in the rate of gastrointestin...

River Embankment and Bank Failure: A Study on Geotechnical Characteristics and Stability Analysis

Md. Bellal Hossain — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.102.107

Problem statement: Embankment failure and riverbank erosion are common problem in Bangladesh. Almost every year earthen embankments and riverbanks are facing problems like erosion, breaching or reti...

Factors Affecting the Oxygenation Capacity of Disc Aerators in an Oxidation Ditch System

Abdel Ghaly — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.108.118

Problem statement: The use of aerobic biological methods for the treatment of livestock wastes has resulted in a proliferation of mechanical aeration devices to accomplish the desired treatment. The o...

A Decision Making Tool for Hazardous Waste Landfill Site Selection

P. Pandiyan — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.119.124

Problem statement: Continuous global environmental crisis and degradation has been a challenge for the sustainability of living on earth. This threat was posed by industrialization, high products ne...

Impact of Bulldozer's Engine Load Factor on Fuel Consumption, CO₂ Emission and Cost

Vladislav Kecojevic — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.125.131

Problem statement: Bulldozers consume a large amount of diesel fuel and consequently produce a significant quantity of CO2. Environmental and economic cost issues related to fuel consumption and CO2...

Effect of MgCl₂ on Germination, Growth and Biomass Allocation of the Radish CV. "Cherry Belle"

William Brandenburg — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.132.135

Problem statement: To determine the effect of MgCl2 on radish (Raphanus sativus), plants were grown in controlled environmental growth chambers and given one of three watering treatments; 0.01, 0.1 ...

Impact of Oxygen Enriched Air Intake on the Exhaust of a Single Cylinder Diesel Engine

Kuppusamy Rajkumar — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.136.140

Problem statement: The objective of the research is to investigate the effect of using oxygen enriched air on Diesel engine exhaust emission. Approach: In the present experimental work a computerize...

Removal and Recovery of Lead from Aqueous Solution by Low Cost Media

Lucia Pappalardo — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.141.144

Problem statement: To remove Pb(II) from wastewater using local UAE sand and then to recover the removed Pb(II). Approach: Removal efficiency of Pb(II) from wastewater was investigated using white, ...

The Effect of Prickly Poppy Methyl Ester Blends on Ci Engine Performance and Emission Characteristics

P. Lawrence — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.145.149

Problem statement: The aim of this research was to investigate the effect of using Prickly poppy methyl ester as a fuel blend on Diesel engine (CI engine) performance and exhaust emission. Approach: S...

Climate Change and its Implications to National Security

Mamunur Rashid — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.150.160

Problem statement: Climate change is increasingly one of the most serious national security threats which will have significant impacts on natural and coastal resources, ecosystem, human health and ...

Green Building Construction Thermal Isolation Materials (Rockwool)

Mahmoud Itewi — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.161.165

Problem statement: Building insulation consisting roughly to anything in a structure that is utilizes as insulation for any reason. Thermal insulation in structures is a significant feature to attai...

Nitrogen Fixing Legumes in the Plant Communities

Mohammed A.A. Al-Fredan — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.166.172

Problems statement: Numerous authors have used energetic to explain the ecological success of N-fixing plants. Legume biodiversity assessment, species dynamics, nitrogen fixation monitoring and envi...

Determination of Absorbed and Effective Dose from Natural Background Radiation around a Nuclear Research Facility

Muhammad Auwal Musa — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.173.177

Problem statement: This study presents result of outdoor absorbed dose rate and estimated effective dose from the naturally occurring radionuclides 232Th and 238U series 40K, around a Nuclear Resear...

The Impacts of Agricultural Supports for Climate Change Adaptation: Farm Level Assessment Study on Paddy Farmers

Md. Mahmudul Alam — 2011-05-26

American Journal of Environmental Sciences, Published online: 26 May 2011; doi:10.3844/ajessp.2011.178.182

Problem statement: The climatic factors are changing very rapidly in Malaysia. To adapt farmers with the changes, government and other external agencies are providing several kinds of supports, but ye...