Abstract

A hybrid numerical model is introduced for simulation of cohesive sediments concentration profiles in a surf zone. For this purpose, wave height reduction must be considered, due to muddy beds and wave breaking. Models, such as Sanford and Maa’s erosion model, Krone’s [...]

Abstract

The financial crisis and the economic adjustments within the most important media groups of the European Union (EU) have enlarged the North-South gap regarding financial strength, competitiveness and capitalisation, favouring Center European and UK patterns. The financial results [...]

Abstract

The constant discharge of agricultural waste into aquatic environment has led to accumulation of heavy chemicals and other variety of pollutants. Herbicides present in these wastes are washed down, carried by rains and flood to nearby aquatic environment. Glyphosate is one of the [...]

Abstract

The present text analyzes the changes in the structure of the media system in four South American countries during the first decade of the 21st century: Argentina, Brazil, Chile and Uruguay. The general premise is that the current levels of concentration in media markets have accelerated [...]

Abstract

Network analysis has already a long history in operations research and quantitative social science research. In the past, much attention has been paid to shortest-route algorithms (for example, the travelling salesman problem), where the spatial configuration of networks was put [...]

Abstract

The last years have witnessed a deep modification of air transport stakeholder’s behaviours. Airlines competition has been exacerbated by the downturns in the economic conditions while airport competition has been emerging as a result of the less governmental intervention [...]