Volume 1, Issue 2 (2005) | American Journal of Environmental Sciences

Evaluation of Slope Assessment System in Predicting Landslides along Roads Underlain by Granitic Formation

Bujang B.K. Huat — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.90.96

A slope assessment is to estimate the probability of occurrence and likely severity of landslides in a given area. This study evaluates two existing Slope Assessment Systems (SAS) for predicting lands...

Investigation and Situation of Timber Harvesting Mechanization of Turkey and the Usage of Tractors in Timber Extraction

Murat Demir — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.97.101

In this study is to summarize usage of tractors in timber extraction and major problems of mechanized timber harvesting in Turkey. Timber harvesting in Turkey is still carried out by manual methods d...

Removal of Mercury from chlor-alkali Industry Wastewater using Acetobacter xylinum Cellulose

A. Rezaee — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.102.105

In this study, the removal of mercury ions by cellulose of Acetobacter xylinum was investigated in the synthetic and chlor-alkali wastewater. Biofilms of Acetobacter xylinum were grown in laboratory...

Biological Activity of Methyl tert-butyl Ether in Relation to Soil Microorganisms has a Negative Environmental Impact

Gholam H.S. Bonjar — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.106.109

Fuel oxygenates are added to gasoline to enhance combustion efficiency of automobiles and reduce air pollution. Methyl tert-butyl ether (MTBE) is the most commonly used oxygenate because of its low co...

Review of Photochemical Smog Pollution in Jakarta Metropolitan, Indonesia

Dollaris R. Suhadi — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.110.118

An analysis of photochemical smog pollution in Jakarta was attempted using data from the existing air quality monitoring stations. Ground-level ozone potential is high in Jakarta due to the high traff...

Validation of Some Bridge Pier Scour Formulae Using Field and Laboratory Data

Thamer A. Mohamed — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.119.125

Estimation of maximum local scour depth at the bride pier site is necessary for the safety and economy of the designed bridge. Numerous formulae are available and almost all of these formulae were dev...

Mathematical Modelling of Pollutants’ Dispersion in Soil I. Case Study of Copper Dispersion

V. Viman — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.126.129

The study presents a mathematical modelling of copper dispersion in soil. The samples have been collected from the same points of the sampling network, from surface and depth in 2001 and only to surfa...

Histopathological Feature of Acute Appendicitis in Kerman-Iran from 1997 to 2003

Fatemeh Nabipour — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.130.132

Acute appendicitis is one of the most common surgical conditions that affect about seven percent of the population. The histopathologic stages of appendicitis are important to regarding prognosis. To ...

Production, Yield and Derivatives of Volatile Oils from Eastern Redcedar (Juniperus Virginiana L.)

Elif Semen — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.133.138

Eastern redcedar (Juniperus virginiana L.) is one of the most widely distributed indigenous conifers in southern states including Oklahoma, Arkansas and Texas. Eastern redcedar is also an important s...

Experimental Study of Parameters Influencing the Purity of Potassium Sulfate Fertilizer Produced from Jordanian Raw Materials

Mousa Gougazeh — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.139.141

The general objective of the present investigation was to make a contribution towards improving the purity of the produced potassium sulfate from (KCl, Arab Potash Company-Dead Sea) and (H2SO4, Jordan...

The 11^th February, 2004 Earthquake of The Dead Sea, Jordan

Abdallah S. Al-Zoubi — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.142.148

The Dead Sea fault system and its branching faults represent one of the most tectonically active regions in the Middle East. The present investigation emphasis on the recent earthquake swarm, which o...

Contribution of Advective and Non-advective Heat Fluxes to the Heat Budget of a Shallow Lagoon

Rodríguez-Rodríguez Miguel — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.149.158

The heat budget in a shallow lagoon has been established from field measurements at a bihourly scale. Information on the main advective and non-advective heat fluxes were collected during year 2003 at...

Energetic Aspects Related to Heavy Metals Adsorption on the Surface of Volcanic Tuff I. The Influence of Activation Parameters in Cu²⁺ Adsorption

Leonard Mihaly-Cozmuta — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.159.163

The article develops some physico-chemical aspects presented along of copper ions adsorption in treatment of wastewaters using volcanic tuff. In the experiments volcanic tuff from Stoiana Pâglişa (R...

High Density Groundwater Flow, Major-ion Chemistry and Field Experiments in a Closed Basin: Fuente de Piedra Playa Lake (Spain)

Rodríguez-Rodríguez Miguel — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.164.171

This study presents the results of 10 years of field investigation in Fuente de Piedra Playa Lake located in southern Spain. These field observations along the playa's shore revealed evidence of a for...

Influence of the Application of Sewage Sludge and Presence of Pesticides on the Development of the Microbial Population of the Soil and on the Transformation of Organic Carbon and Nutrient Elements

M.E. Sánchez — 2005-06-30

American Journal of Environmental Sciences, Published online: 30 June 2005; doi:10.3844/ajessp.2005.172.178

The laboratory trial consisted in incubating samples of soil and soil treated with sewage sludge, with the application of organophosphate pesticides with different active ingredients under controlled ...