classical soil mechanics involves the study of fully saturated soils. however, many problems encountered in geotechnical engineering practice involve unsaturated soil, in which behavior is significantly different from classical saturated soil. negative pore pressure and capillary forces develop a virtual cohesion between the grains of semi saturated soils. this kind of cohesion is dependent on ...

This paper examines the effect of FDI activity on manufacturing exports in four MENA countries. The sensitivity of manufacturing exports and the share in manufacturing exports in total exports to two measures of FDI activity is tested. The findings of this analysis suggest that FDI activity may have a positive effect on the host country’s manufacturing exports. The magnitude of the effect howev...

The purpose of the article is to assess involvement industries in global value chains and determine prospects for intensification these processes. research methods are statistical analysis, comparison, graphical analysis. role export volumes high value-added products, their enclosing determined. A methodical approach assessing proposed, allowing detect state country’s international distribution...

Watershed scale hydrology and water quality models (DRAINMOD-DUFLOW, DRAINMODW, DRAINMOD-GIS and WATGIS) that describe the nitrogen loadings at the outlet of poorly drained watersheds were examined with respect to their accuracy and uncertainty in model predictions. Latin Hypercube Sampling (LHS) was applied to determine the impact of uncertainty in estimating field exports and decay coefficien...

Agriculture is the largest fresh water consuming sector, and maize most produced consumed crop worldwide. The footprint (WF) methodology quantifies evaluates volumes polluted by a given crop, as well its impacts. In this work, we quantified for first time green WF (soil from precipitation that evapotranspired) virtual exports of Buenos Aires province, Argentina, during 2016–2017, due to relevan...

Water quantity and quality data were compared from six headwater watersheds on two distinct soil formations, Carolina Slate Belt (CSB) and Triassic Basins (TB). CSB soils are generally thicker, less erodible, and contain less clay content than soils found in TB. TB generated significantly more discharge ⁄precipitation ratio than CSB (0.33 vs. 0.24) in the 2009 dormant season. In the 2009 growin...

The Romans were perhaps the most impressive exponents of water resource management in preindustrial times with irrigation and virtual water trade facilitating unprecedented urbanization and socioeconomic stability for hundreds of years in a region of highly variable climate. To understand Roman water resource management in response to urbanization and climate variability, a Virtual Water Networ...