Volume 13, Issue 2 (2017) | American Journal of Environmental Sciences

Evaluation of Gaussian Plume Model against CFD Simulations through the Estimation of CO and NO Concentrations in an Urban Area

Mahmoud Bady — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.93.102

Dispersion of air pollutants, Carbon monoxide (CO) and Nitrogen oxide (NO), due to three point sources and a high-density traffic road in an urban area located near the center of Tokyo, Japan was stud...

Using Permeable Reactive Barriers to Remediate Heavy Metal-Contaminated Groundwater through a Laboratory Column Experiment

Somean Yin — 2017-03-12

American Journal of Environmental Sciences, Published online: 12 March 2017; doi:10.3844/ajessp.2017.103.115

Recently, groundwater sources are being polluted by various activities such as agriculture, livestock, decentralized wastewater treatment systems and acid rain. Groundwater can also be polluted by lan...

Long-Term Characterization of Landfill Leachate: Impacts of the Tropical Climate on its Composition

Jorge Luiz da Paixão Filho — 2017-03-14

American Journal of Environmental Sciences, Published online: 14 March 2017; doi:10.3844/ajessp.2017.116.127

The disposal of Municipal Solid Waste (MSW) in sanitary landfills produces leachate, whose composition changes depending on the microbial community and the environmental conditions. However, these cha...

Heavy Metals Content of the Grassland Soil around Katima Mulilo Municipal Solid Wastes Dumpsite, Namibia

J. Abah — 2017-03-18

American Journal of Environmental Sciences, Published online: 18 March 2017; doi:10.3844/ajessp.2017.128.137

The effects of open wastes dumpsites on the immediate vicinity continue to generate safety concern. This study determined the levels of lead, chromium, cadmium, arsenic, nickel, cobalt, copper and man...

Transfer Function-Noise Modeling of the Dynamic Relationship between Botswana's Monthly Maximum Temperature and Evaporation

Oliver Moses — 2017-03-20

American Journal of Environmental Sciences, Published online: 20 March 2017; doi:10.3844/ajessp.2017.138.148

In Botswana, the rate of evaporation over open water surfaces is high because the country is characterised by hot and semi arid climatic conditions. The purpose of the study is to investigate the corr...

Assessing the Environmental and Socio-Economic Risk Factors of Climate Vulnerability in Low-Income Settlements of Kitwe City in Zambia

George Kasali — 2017-03-25

American Journal of Environmental Sciences, Published online: 25 March 2017; doi:10.3844/ajessp.2017.149.166

Recent findings of the Intergovernmental Panel on Climate Change have clearly shown that climate change represents an urgent and irreversible threat to human societies and the planet and especially to...

Phytomanagement of Heavy Metal Lead by Fodder Grass Lasiurus scindicus in Polluted Soil and Water of Dravyawati River

Parul Sharma — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.167.171

Soil and water pollution with heavy metals is a worldwide issue and is still unresolved. Phytoremediation is a new and rising technology that applies plants for cleanup lightly contaminated soils and ...

"Green Economy" as the Country's Development Strategy with a High Share of the Commodity Sector in the Context of Globalization

Askarova Maulken — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.172.181

The "Green economy" is a economy, aimed at preserving a well-being of society through the effective use of natural resources and ensuring return of end-use products in the production cycle. First of a...

Comparability Assessment of Polycyclic Aromatic Hydrocarbons Tissue Load in Some Fish: Implication on Reciprocal Synergism and Risk Assessment

Victor Eshu Okpashi — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.182.190

Six years after oil spill occur in Qua Ibeo river, environmental monitoring was set out to investigate residual petroleum compounds (PHCs) that are bio-accumulated by fish. Bio-concentration of residu...

A Comparative Assessment of Heavy Metal Pollution in Soil using pH Enrichment Factor and Pollution Index

Michael Nwachukwu — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.191.203

Many researchers have described pH as heavy metals pollution indicator in soil, but no effort has been made to determine level or quantity of heavy metals that could be indicated by pH. This study mea...

Hazard and Risk in Iran

Maryam Marani Barzani — 2017-04-12

American Journal of Environmental Sciences, Published online: 12 April 2017; doi:10.3844/ajessp.2017.204.209

Hazard risk needs to consider vulnerability on human activities. Risk analysis of risk, human activities at spatial and temporal scales with existing classification of hazards and map hazard map. In t...

Assessment of the Role of Oil and Gas Production Complex in Anthropogenic Changes in Vegetation in Mangystau Region

Lyudmila Pavlichenko — 2017-05-05

American Journal of Environmental Sciences, Published online: 5 May 2017; doi:10.3844/ajessp.2017.210.224

The article includes the detailed description of a simplified method of solving the integrated environmental assessment inverse problem. The method was developed by the authors on the basis of using r...