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Issue 2

Global NEST Journal cover

Global NEST Journal

ISSN numbers
1790-7632
2241-777X

Volume

Issue number
2
Publication month
May

Water level prediction by artificial neural network in a flashy transboundary river of Bangladesh

by

ROBIN K. BISWAS et al. View all

Water Resources Management

This paper presents the sensitivity analysis results of feed forward multilayer perceptron based Artificial Neural Network model for water level prediction in a data constraint transnational Surma River of Bangladesh. Catchment characteristics, hydro-geomorphological, meteorological and headwater...

Flood Forecasting Stochastic Hydrological Modelling +4 more

Relationship between rainfall and run-off In the Stratoni Region (N. Greece) after the storm of 10th February 2010

by

Dr Marios Sapountzis et al. View all

Water Resources Management

Extreme floods often demonstrate unanticipated characteristics that pose problems for management and response. The flood in the Stratoni region in February 2010 provided an example of such unexpected response. The aim of this paper is the quantification of the hydrologic response of the torrents...

flood discharge hydrograph +1 more

Carbonaceous particles emitted from cooking activities in Portugal

by

Célia Alves et al. View all

Air Quality

PM 2.5 samples were collected from the exhaust stacks on the roofs of a university canteen, a charcoal-grilled chicken restaurant and a wood-oven roasted piglet restaurant. The use of thick exhaust hood filters and also gas and electricity as energy sources for cooking in the kitchen of the...

Portugal Cooking Emissions +3 more

Hollow fiber membrane contactor absorption of CO2 from the flue gas: Review and perspective

by

Y. F. Yan et al. View all

Global Environmental Change

With the aggravation of the unprecedented greenhouse effect, the reduction of greenhouse gases which mainly consist of CO 2 has caught high attention by global scholars. The membrane absorption of CO 2 from the flue gas seems a promising alternative to conventional absorption methods like chemical...

CO2 capture Membrane absorption +3 more

Optimization in oil slick combating stations allocation. Application to the Sea of Azov

by

Antigoni Zafirakou et al. View all

Pollution Control Technology

A method is presented and preliminarily applied to the optimization of the allocation of oil-slick combating coastal stations in a coastal basin. The decision support methodology is based on the annual simulation of the circulation in the basin according to climatologic data, on the oil spill...

Oil slick combating stations +2 more

Textile wastewater conductivity control of electrocoagulation process using MATLAB/ SIMULINK

by

Demirci Y. et al. View all

Water and Wastewater Treatment

This paper presents an experimental application of PID control to study the electrocoagulation process of textile wastewater. The addition of NaCl solution would also lead to the decrease in power consumption because of the increase in conductivity. Conductivity in electrocoagulation process is...

Electrocoagulation Conductivity Control +2 more

Influence of coal properties on the co-combustion characteristics of low-grade coal and city mud

by

Yan Y.F. et al. View all

General

In this paper, the effects of the mixing ratio and particle size of coal were investigated using a thermogravimetric analysis (TGA). A method of Achar-Brindley-Sharp-Wendworth (ABSW) was applied to a simultaneous calculation of the kinetic parameters (including the apparent activation energy, the...

thermogravimetric analysis mixture ratio +3 more

Optimization of malachite green dye removal by sepiolite clay using a central composite design

by

Semra Çoruh et al. View all

Water and Wastewater Treatment

In this study, a four-factor five-level Central Composite Design (CCD) was applied to develop mathematical model and optimize process parameters for malachite green dye (MG) removal from aqueous solutions using sepiolite. The individual, combined, and quadratic effects of four experimental factors...

Adsorption Central composite design +3 more

Effects of climate change on future extreme rainfall indices over Thailand

by

Maijandee S. et al. View all

Global Environmental Change

Extreme rainfall indices were calculated based on daily rainfall data derived from the outputs of MM5-RCM simulations. Projected changes of these indices in the future (2020s) under the IPCC Special Report on Emissions Scenarios (SRES) A1B compared to the reference period (1990s) were analyzed...

extreme rainfall projected climate change +2 more

Spatialised agricultural nitrogen balance of Veneto region, Northern Italy: sources identification, assessment and policy relevance

by

Pulighe G. et al. View all

Ecosystems and Natural Resources Management

The aim of this study is to deepening knowledge on the agricultural nitrogen cycle within the Veneto region (Northern Italy) by computing the Gross Nitrogen Balance (GNB) with highly geographical resolution. Spatialised maps of nitrogen input and output, created using the most detailed information...

Gross Nitrogen Balance Agro-environmental Land Units +3 more

Environmental Dynamics and Engineered Systems for the Degradation of Trichloroethylene: A Critical Review

by

Dr. Amin M. T., Ph.D. P.E. Asst. Professor et al. View all

General

Trichloroethylene (TCE) is found in all mediums of environment in varying concentrations. Over the past 25 years, many engineered systems have been devised for its complete and sustainable degradation. This study reviews the environmental factors that influence the TCE pollution in environment and...

Biodegradation engineered systems +4 more

Kinetic study on the removal of mercury by fly ash

by

V.K.Verma et al. View all

Water and Wastewater Treatment

The removal of mercury by adsorption process using fly ash was investigated in this study. Mercury removal capacity of fly ash was performed by batch mode adsorption experiment with the effect of various parameters i.e., contact time (0.5-3.5) h, pH of 2-10, concentration of adsorbate (1, 5 and 10)...

Adsorption fly ash +4 more

Stabilization pond systems for wastewater treatment: Facility costs and environmental footprint assessment

by

Vassilios A. Tsihrintzis et al. View all

Water and Wastewater Treatment

Natural systems offer an economic solution for the treatment of wastewater from small settlements. This study presents a detailed technical analysis of three stabilization pond systems designed to treat municipal wastewater, varying in capacity from 250 to 1400 population equivalent. Construction...

Municipal wastewater treatment Natural treatment systems +5 more

Time Series Modelling of Pan Evaporation-A Case Study in the Northeast India

by

Dr Deepak Jhajharia et al. View all

Hydrology and water resources

In the present study, a monthly time series model was developed for pan evaporation (E pan) in Jorhat (Assam), northeast India. We assume that the E pan series can be decomposed into deterministic and stochastic components, and a turning point test was used to identify the presence of a trend...

Pan Evaporation Stochastic modelling +3 more

Gas monitoring methodology and application to CCS projects as defined by atmospheric and remote sensing survey in the natural analogue of Campo de Calatrava

by

Rincones M. et al. View all

General

CO 2 capture and storage (CCS) projects are presently developed to reduce the emission of anthropogenic CO 2 into the atmosphere. CCS technologies are expected to account for the 20% of the CO 2 reduction by 2050. Geophysical, ground deformation and geochemical monitoring have been carried out to...

monitoring CO2 capture and storage +3 more

Lower Douro River basin (Portugal) water quality – Focus on trace element changes and anthropogenic sources of contamination

by

Agostinho A. Almeida et al. View all

Water Quality

The Douro River lower basin water quality was studied regarding its concentration on 18 trace elements (Be, Al, Cr, Mn, Co, Ni, Cu, Zn, As, Se, Mo, Ag, Cd, Sb, Ba, Tl, Pb and U, measured by ICP-MS). Other physicochemical parameters, such as pH, conductivity, dissolved oxygen and water temperature...

Douro River lower basin Trace Elements +4 more

Essential oil composition and antimicrobial investigation of some Iranian herbal plants on Pectobacterium carotovorum

by

Shahin Gavanji et al. View all

General

In recent years, there has been growing concern regarding undesirable side effects of synthetic antimicrobial drugs used for food preservation or in medicine and an explosive global spreading of multidrug resistant microbes are considered as a substantial global health threat. This necessitates the...

Pectobacterium carotovorum essential oil +1 more

Soil mapping to assess workability in central Italy as climate change adaptation technique

by

Bergonzoli S. et al. View all

Ecosystems and Natural Resources Management

In this paper soil conventional tillage (CT) in two adiacent on-farm sites, hilly and plain fields, was carried out in comparison with direct-seeding + fertilizing at very low water content. The quality and quantity of work were evaluated through machine performance, fossil-fuel energy requirements...

soil mapping GPS +5 more

A handy irrigation management method through meteorological data. Case study in N. Greece

by

George Arampatzis et al. View all

Water Resources Management

Crop irrigation, especially in irrigation networks, often consumes larger quantities of irrigation water than necessary since most of the times irrigation is carried out empirically and not based on actual crop requirements. The aim of this work is the management of irrigation water though the use...

crop water requirements Meteorological data +2 more