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Volume 6

Global NEST Journal cover

Global NEST Journal

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Environmental Strategies of Polluting Industries


Sarmento M. and Duarte M.


Citizen concerns about environmental management practices will usually lead to public attention and legislative proposals. This paper intends to assess the behaviour of potential environmental polluting industries. In order to accomplish this objective, a survey composed of twenty-five questions was...

environmental analysis Environmental Survey +3 more

Spatial and Temporal Distribution of Air Temperature in the Northern Hemisphere


Philandras C.M., Nastos P. Th., Kanellopoulou E.A. and Paliatsos A.G.


In the present study, the spatial and temporal surface air temperature variability for the Northern Hemisphere has been examined, for the period 1900-1996. Factor Analysis has been applied to 5o Latitude x 10o Longitude grid box data covering the area from almost the equator to 70o N. These data are...

factor analysis Air temperature +1 more

Environmental Performance of Thermosyphonic Domestic Solar Hot Water Systems under Different Climatic Conditions: A Case Study for Greece


Tsilingiridis G., Martinopoulos G. and Kyriakis N.


Undoubtedly, sun is the cleanest energy source. Specific systems are needed however for the collection and transformation of solar energy and the manufacturing processes of such systems, as well as the production of the raw materials required, are associated with impacts to the environment. As a...

Solar energy solar hot water systems +2 more

Risk Analysis for Environmental Hazards. The case of oil spills in Crete


Kassomenos P.A.


In this paper a review of most recent practices in the field of Risk analysis are presented. Then the available data for oil spill incidents in the area of Crete covering the period 1995-1999 are analysed and discussed in detail. Risk analysis tables are produced in order to formulate the spatial...

Environmental Hazards Oil spill incidents +2 more

Unexplained Relationships of Height-Diameter of Three Tree Species in a Tropical Forest.


Dauda T.O., Ojo L.O and Nokoe S.K.


Associations between bivariate variables relative to the unexplained relationships of height-Dbh (diameter at breast height) models were investigated. Seven permanent sample plots measuring 40m by 250m at Omo Forest Reserve were used to assess the relationships between height and diameter at breast...

Unexplained relationship Neighbouring tree +2 more

Application of artificial neural networks for flood forecasting.


Lekkas D. F., Onof C., Lees M. J. and Baltas E.A.


In hydrology, as in a number of diverse fields, there has been an increasing use of Artificial Neural Networks (ANN) as black-box simplified models. This is mainly justified by their ability to model complex non-linear patterns; in addition they can self-adjust and produce a consistent response when...

Artificial neural networks Real-Time Flood Forecasting +1 more

Improvement of marina design technology using hydrodynamic models


Stamou A.I., Katsiris I.K., Moutzouris C.I. and Tsoukala V.K.


Á mathematical model is applied to calculate the water circulation in the marina of Latsi in Cyprus. The flow field in the marina shows the general behavior of coastal, wind driven flows, being strongly influenced by the characteristics of the entrance of the marina. The small dimension and the...

mathematical model marina +4 more