May 2012
Assessment of sand encroachment in El-Qutaynah area, Sudan using remote sensing and geographic information system
This study focused on the assessment and evaluation of land degradation and desertification in El-Qutaynah area, White Nile State, Sudan. Through monitoring and mapping of the changes that occurred in the land use, land cover (LU/LC) due to drought and sand encroachment in the study area was the main goal of this research. The study covered the period between 1986 to 2006. The research was based on the data and...
May 2012
Digital elevation models obtained by contour lines and SRTM/Topodata, for digital soil mapping
In the last decade, the quantitative models for digital mapping of soils have experienced rapid development of new methods, more efficient and economic. One reason is due, mainly, to the increase of auxiliary information of physical environment, especially, the images from remote sensing and terrain attributes derived from digital elevation models. Thus, this study aimed to evaluate the quality of digital elevation...
May 2012
Evaluation of geotechnical properties and structural strength enhancing road pavement failure along Sylhet-Sunamganj highway, Bangladesh
The study looks at the impact of poor soil properties and improper design on highway pavement failure on critical locations along Sylhet-Sunamganj road, Bangladesh. The entire study was conducted in the month of June to July, 2011 which was usually rainy season in Bangladesh. Pavement structural condition was evaluated by Dynamic Cone Penetrometer (DCP) test and sub-grade soil properties were obtained by laboratory soil...
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