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Global NEST Journal cover

Global NEST Journal

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Sorption-desorption isotherms of dyes from aqueous solutions and wastewaters with different sorbent meterials


Voudrias E., Fytianos K. and Bozani E.


The ability of activated carbon and different low-cost by-products and waste material as sorbents to remove various reactive dyes from aqueous solutions and wastewaters was investigated. All aqueous dye solutions contained 2,000 mg l-1 NaCl, to mimic real dye wastewater. Batch kinetic and isotherm...

color removal sorption +3 more

Coastal modelling with a GIS bathymetric module


Tsanis I.K., Naoum S. and Fullarton M.


A 3D hydrodynamic/pollutant transport model was used to simulate the currents and pollutant transport in coastal areas. The bathymetric and shoreline data was provided to the model via a GIS module that operates in the ArcView GIS environment. The module is efficient and capable of generating...

ArcView GIS Coastal Hydrodynamics +1 more

Spatial prediction of two soil properties using topographic information


Kalivas D.P., Triantakonstantis D.P. and Kollias V.J.


The objective of this study was to determine whether the use of the co-regionalization of the distanceto- river topographic variable with the soil properties topsoil clay and sand can improve their mapping. The interpolation techniques: ordinary kriging, kriging combined with regression (two models)...

kriging regression kriging +4 more

Hydrochemical and Ecological Quality Assessment of a Mediterranean River System


Skoulikidis N.Th., Gritzalis K. and Kauvarda Th.


In order to explore the complex interrelations among the factors and processes that determine a rivers’ hydrochemical and biological quality, statistical techniques were applied to a variety of hydrochemical, petrologic, biological, habitat, hydrological and morphologic data from 16 sites of the...

biological hydrochemical and ecological quality +4 more

ENVIRON: Environmental Impacts from Advanced Communications - Evidence from an Input-Output Theory


Bonazountas M., Panethimitakis A. and Kallidromitou D.


The ENVIRON model estimates environmental impacts (positive, negative) from the introduction and use of Advanced Communications (AC); Information Society Technologies (IST) in industrial, commercial and business sectors in Greece. The model estimates effects on output, employment, income...

Advanced Communications Environment +4 more

An environmental database for the status of freshwater in Greece


Tsouni A., Zervos N., Hadjibiros K. and Andreadakis A.


An environmental database has been created, recording water bodies at a national level and assembling relevant data collected by various public services and institutions in charge of water resources management and research in Greece. Data consists of physico-chemical parameters, geomorphological...