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Issue 1

Global NEST Journal cover

Global NEST Journal

ISSN numbers
1790-7632
2241-777X

Volume

Issue number
1
Publication month
February
Editorial

A Novel Model Predictive-Fuzzy Logic Hybrid Controller Design for D-STATCOM in Wind Energy Distribution Systems

by

Kenan YANMAZ et al. View all

Environmental Sciences

Wind energy is a resource that does not require any fuel or feedstock to be treated, refined or transported. It does not produce air pollution and hazardous waste. Because of these, wind energy, one of the major renewable energy sources, has been widely used in recent years. In this work, a three...

Wind turbine D-STATCOM +3 more

EFFECTS OF FEEDING GENETICALLY MODIFIED (GM) MAIZE ON OXIDATIVE STRESS PARAMETERS IN NEW ZEALAND RABBIT

by

Emine Yalçın et al. View all

Environmental Sciences

In this study, we investigated the effects of Genetically Modified (GM) Maize on liver and kidney tissue weights, malondialdehyde (MDA) and glutathione (GSH) levels of liver and kidney tissues in New Zealand Rabbits. For this purpose, rabbits were divided into three groups: parental, first...

Genetically modified organism malondialdehyde +3 more

Evaluation of the anthropogenic impact in Suat Ugurlu Dam lake using multivariate statistical techniques

by

yuksel.ardali@omu.edu.tr et al. View all

Environmental Sciences

Sediments play an important role in the quality of aquatic ecosystems in the Dam Lake where they can either be a sink or a source of contaminants, depending on the management. This purpose of this study is to identify the sediment quality in order to find out the causes for the malodor and the...

sediment Suat Ugurlu Dam +3 more

Statistical Assessment of Water Quality Parameters for Pollution Source Identification in Bektaş Pond (Sinop,Turkey)

by

Arzu AYDIN UNCUMUSAOĞLU et al. View all

Environmental Sciences

This study was carried out between September 2015 and August 2016 in four sampling sites. Water quality of the pond was examined according to sites and seasons, water quality classes were determined and pollution problems were revealed. In addition, the suitability of aquatic life forms has been...

HCA Hierarchical cluster analysis +3 more

Utilization and Planning of Coastal Areas in Ordu

by

Nükhet KONUK et al. View all

Environmental Sciences

Coastal management is generally means planning and application of environmental changes in the coastal area. The rapid spread of industrialization, urbanization, tourism and recreational activities are affecting the coastal cities in a much more negative way in Turkey, compared to other countries...

Coastal zone Coastal Management +1 more

Erosion of the thermocline in the Gulf of Patras, due to a severe wind event

by

Nikolaos Th. Fourniotis et al. View all

Environmental Sciences

Three-dimensional numerical simulations, performed using the MIKE 3 FM (HD) code, have been used to study the effect of a severe wind event on the early stratification structure in the Gulf of Patras, Greece. Before the onset of the severe wind event thermocline was at an approximately mean depth of...

thermocline stratification +5 more

Organotin compounds in marine sediment: Detection and concerns

by

Giovanni Libralato et al. View all

Environmental Sciences

The determination of organotin compounds (OTCs) in environmental matrices has been subject to great scientific attention during last years, as the accuracy and sensitivity of analytical methods need to be improved in order to be able to detect the compounds of interest in a complex matrix such as...

OTCs TBT +3 more

A GIS methodology to support sea water quality assessment in coastal areas

by

Dimitra Kitsiou et al. View all

Environmental Sciences

The development of methodologies for assessing water quality in coastal areas including mapping of eutrophication levels is a research area of high interest. A wide range of methodological approaches can be found in the literature, including multivariate techniques, since marine eutrophication is a...

coastal areas Spatial Analysis +5 more

Temporal variations of Eastern Black Sea Aerosol

by

Ilker Balcilar et al. View all

Environmental Sciences

In this study, chemical composition of coarse (PM2.5-10) and fine (PM2.5) aerosols and their seasonal characteristics was used to investigate factors affecting seasonal variations in concentrations of species. Concentrations of 17 trace elements and SO42- were determined in coarse and fine aerosol...

Trace Elements Aerosol +2 more

Source Identification of VOCs In METU Campus Through Factor Analysis

by

Elif Sena Uzunpınar et al. View all

Environmental Sciences

In this study, 55 ozone precursor VOCs, which are routinely measured in PAMS (Photochemical Assessment Monitoring Station) were measured in a suburban station located at Middle East Technical University, Environmental Engineering Department in, Ankara. Daily air samples were collected in evacuated...

Canister Source Apportionment

Investigation of Performance of Tropospheric Ozone Estimations in The Industrial Region Using Differential Artificial Neural Networks Methods

by

Andac Akdemir et al. View all

Environmental Sciences

The method of Levenberg-Marquardt learning algorithm was investigated for estimating tropospheric ozone concentration. The Levenberg-Marquardt learning algorithm has 12 input neurons (6 pollutants and 6 meteorological variables), 28 neurons in the hidden layer, and 1 output neuron for the Ozone (O3)...

MLP Levenberg-Marquardt +2 more

Ultrasound–assisted adsorption of toxic dyes by cottonseed cake: artificial neural networks, regression models and response surface optimization

by

Musa Buyukada et al. View all

Environmental Sciences

In this study, dehydrated cottonseed cake as a low-cost and abundant byproduct in Turkey was utilized as an adsorbent for the decolorization of Reactive Blue 19 (RB19) and Reactive Yellow 145 (RY145) from aqueous solutions based on adsorption and ultrasound-assisted adsorption (UAA). Decolorization...

Adsorption Data-driven modeling +3 more

Treatment efficiency and sludge characteristics in conventional and suspended PVA gel beads activated sludge treating phenol containing wastewater

by

Chrysi A. Papadimitriou et al. View all

Environmental Sciences

Protozoa play a significant role in activated sludge systems, since they graze on dispersed bacteria, supporting a healthy food web in the activated sludge artificial ecosystem. However, operational parameters and influent properties are the most important factors affecting the composition of...

Phenol protozoa +4 more

Evaluation of biomass type blue Cyanophyta algae for the sorption of Cr (III), Zn (II) and Ni (II) from aqueous solution using batch operation system: Kinetics and thermodynamic studies

by

salman H. Abbas et al. View all

Environmental Sciences

The biosorption of Cr (III), Zn (II) and Ni (II) ions from aqueous solution by dead blue algal biomass (Cyanophyta) was investigated in single metal system and batch conditions. Experimental parameters included contact time (0-140 min), pH (2-8), sorbent dose (0.1-2.0 g), initial concentrations (10...

Biosorption III +8 more

Performance of granular activated carbon/nanoscale zero valent iron for removal of humic substances from aqueous solution based on Experimental Design and Response Surface Modeling

by

Yalda Hashempour et al. View all

Environmental Sciences

Response surface methodology has been used to design experiments and to optimize the effect of independent variables responsible for higher adsorption of humic substances by activated carbon supported nanoscale zero-valent iron from aqueous solutions. The variables of initial concentration, time, pH...

Adsorption Humic Substances +3 more

Healthcare waste management in Greece. The example of Health Region of Western Greece, Peloponnese, Epirus and Ionian Islands

by

Miltiadis Zamparas et al. View all

Environmental Sciences

The aim of the present study is a) to examine the healthcare waste management practices in W. Greece, Peloponnese, Epirus and Ionian islands b) to investigate the implementation of the institutional frame and c) to make suggestions in order to achieve a proper Hospital Healthcare Waste Management...

healthcare waste Waste management

Point source pollution and climate change impact from sequential batch reactor wastewater treatment plant

by

Taseli B. et al. View all

Environmental Sciences

Since sequential batch reactor (SBR) system is sequentially removes carbon, nitrogen and phosphorous in a single reactor by maintaining anoxic and aerobic stages, it recently has attracted a great deal of interest. This study evaluates the impact of wastewater treatment plant (WWTP) with a SBR...

wastewater treatment Point Source +4 more

Biosorption of Azo Dye (Maxilon Red and Everzol Red) on to Natural and Modified Waste Sludge

by

Meltem Sarıoglu (Cebeci) et al. View all

Environmental Sciences

A wide range of technologies has been developed for the removal of dyes from wastewaters to decrease their environmental impact. Wastewater containing dyes is generally treated using more than one process such as adsorption/biosorption. In this study, effects of initial pH (2-8), initial azo dye...

Azo dye Wastewater +4 more

Application of Fenton reagent and adsorption as advanced treatment processes for removal of Maxilon Red GRL

by

Fehiman Çiner et al. View all

Environmental Sciences

In this paper, the removal of Maxilon Red GRL by adsorption onto raw soil sample known as Niğde (Bor) grape molasses soil and Fe+2/H2O2 reagent as advanced treatment processes were investigated. The effects of various experimental parameters such as initial Fe+2 and H2O2 concentrations, pH...

Adsorption Advanced oxidation process +3 more

Nature and adsorption capacity of banana leaf rim carbon

by

J Ishwara Bhat et al. View all

Environmental Sciences

The activated charcoal (AC) was synthesized from banana leaf rim (BLR) through three activation methods; physical (BLRC), chemical (Z BLRC, zinc chloride) and microwave activation (MW BLRC). The AC was characterized using fourier transform infrared spectrometer (FT-IR), Thermogravimetric analysis...

Adsorption Activated charcoal +2 more