Variations of water quality in the monitoring network of a tropical river

M. Camara; N.R.B. Jamil; F.B. Abdullah

Volume 6, Issue 1 , January 2020, , Pages 85-96

  Rapid development and population growth have resulted in an ever-increasing level of water pollution in Malaysia. Therefore, this study was conducted to assess water quality of Selangor River in Malaysia. The data collected under the river water quality monitoring program by the Department of environment ...  Read More

Nutrient removal efficiency by floating macrophytes; Lemna minor and Azolla pinnata in a constructed wetland

F.M. Muvea; G.M. Ogendi; S.O. Omondi

Volume 5, Issue 4 , October 2019, , Pages 415-430

  The use of constructed wetlands for purifying pre-treated wastewater is a cost effective technology that has been found to be more appropriate for many developing countries. The technology is also environmentally friendly with the wetlands being habitats for many water birds and other aquatic organisms. ...  Read More

Microplastics in water, sediment and salts from traditional salt producing ponds

A. Tahir; P. Taba; M.F. Samawi; S. Werorilangi

Volume 5, Issue 4 , October 2019, , Pages 431-440

  Plastic pollution has universally known accumulated in all environment compartments and accelerating threat to the sustainability of earth. Field survey to examine the occurrence of microplastics in ancient sea water evaporation technology of ponds at Pallengu-Jeneponto, was conducted. From this sea ...  Read More

Treatment of small scale gold mining wastewater using pilot-scale sedimentation and Cocopeat filter bed system

J. Samaniego; M.A.N. Tanchuling

Volume 5, Issue 4 , October 2019, , Pages 461-470

  The use of amalgamation process to recover gold from mined ores by the small-scale gold miners in the Philippines and other developing countries produces and dispose of untreated wastewater to the receiving water bodies. In this study, a field-scale filter bed system was constructed to treat heavy metal ...  Read More

Future climate change impact on hydrological regime of river basin using SWAT model

V. Anand; B. Oinam

Volume 5, Issue 4 , October 2019, , Pages 471-484

  Hydrological components in a river basin can get adversely affected by climate change in coming future. Manipur River basin lies in the extreme northeast region of India nestled in the lesser Himalayan ranges and it is under severe pressure from anthropogenic and natural factors. Basin is un-gauged as ...  Read More

Environmental Engineering
Economic and environmental performance analysis of Polish energy companies

A. Włodarczyk

Volume 5, Special Issue , 2019, , Pages 1-11

  The tightening of the European Union climate and energy policy, directed to raising the resilience and effectiveness of the European Union Emissions Trading System, may influence on companies' economic performance. Polish energy companies, which mainly use coal in the energy production process, are particularly ...  Read More

Environmental Engineering
Strategic guidelines on the development of renewable energy sources

O.А. Mykoliuk; V.М. Bobrovnyk

Volume 5, Special Issue , 2019, , Pages 61-71

  The study highlights the importance to develop the national economy through assuring energy security. The study aims to analyze how to develop renewable energy sources, determine the main priorities of Ukraine’s national security policy and discover novel ways of assuring energy security due to ...  Read More

Environmental Engineering
Features in scientific and technical cooperation in the field of non-conventional renewable energy

V. Babenko; V. Sidorov; Y. Koniaieva; L. Kysliuk

Volume 5, Special Issue , 2019, , Pages 105-112

  This article discusses the prospects for the development of the implementation of scientific and technical cooperation. On the example of international cooperation between Ukraine and Chile, there are approaches to improving the procedure for developing cooperation priorities. The current state of these ...  Read More

Watershed conservation prioritization using geomorphometric and land use-land cover parameters

G.R. Puno; R.C.C. Puno

Volume 5, Issue 3 , July 2019, , Pages 279-294

  Geomorphometric features and land use/land cover are essential in the context of watershed prioritization for resources conservation and protection. Watersheds in tropical regions like the Philippines are under threat of degradation due to the combined effects of uncontrolled agricultural activities ...  Read More

Application of ensemble learning techniques to model the atmospheric concentration of SO2

A. Masih

Volume 5, Issue 3 , July 2019, , Pages 309-318

  In view of pollution prediction modeling, the study adopts homogenous (random forest, bagging, and additive regression) and heterogeneous (voting) ensemble classifiers to predict the atmospheric concentration of Sulphur dioxide. For model validation, results were compared against widely known single ...  Read More

Potable groundwater analysis using multivariate Groundwater Quality Index technique

I. Fayaji; M.H. Sayadi; H. Mousazadeh

Volume 5, Issue 3 , July 2019, , Pages 357-370

  In the current study, the qualitative status of potable well water was assessed using the groundwater quality index during a course of 4 years (2014-2017). This study was carried out with an aim to monitor the drinking water resources from 12 potable wells on the multivariate analysis basis and for determination ...  Read More

Ecological niche modeling of invasive alien plant species in a protected landscape

G.C.B. Paclibar; E.R. Tadiosa

Volume 5, Issue 3 , July 2019, , Pages 371-382

  Non-native plants that can cause adverse effects are otherwise known as invasive alien plant species which pose a major threat to plant biodiversity conservation and sustainability. This study is dedicated to determine the plant diversity and to assess the vulnerability of Quezon Protected Landscape, ...  Read More

Hydrologic responses of watershed assessment to land cover and climate change using soil and water assessment tool model

R.C.C. Puno; G.R. Puno; B.A.M. Talisay

Volume 5, Issue 1 , January 2019, , Pages 71-82

  Predicting the impact of land cover and climate change on hydrologic responses using modeling tools are essential in understanding the movement and pattern of hydrologic processes within the watershed. The paper provided potential implications of land conversions and climate change scenarios on the hydrologic ...  Read More

Composition of plastic waste discarded by households and its management approaches

B. Gwada; G. Ogendi; S.M. Makindi; S. Trott

Volume 5, Issue 1 , January 2019, , Pages 83-94

  Among the emerging environmental issues within Sub-Saharan Africa is the haphazard disposal of plastic waste, some of which end up downstream in the marine environment leading to negative effects. Notably there have been cases of humpback whales getting entangled in ‘ghost’ fishing nets, ...  Read More

Expanded granular sludge bed bioreactor in wastewater treatment

A. Cruz-Salomón; E. Ríos-Valdovinos; F. Pola-Albores; S. Lagunas-Rivera; R. Meza-Gordillo; V.M. Ruíz-Valdiviezo; K.C. Cruz-Salomón

Volume 5, Issue 1 , January 2019, , Pages 119-138

  The expanded granular sludge bed bioreactor appears today as a cheap, robust and more popular technology because it operates using a fluidized bed, which allows increasing in organic load and in cell retention times, generating higher treatment efficiencies (up to 95 %) and renewable energy (i.e., biogas, ...  Read More

Artificial intelligence-based approaches for multi-station modelling of dissolve oxygen in river

G. Elkiran; V. Nourani; S.I. Abba; J. Abdullahi

Volume 4, Issue 4 , October 2018, , Pages 439-450

  ABSTRACT: In this study, adaptive neuro-fuzzy inference system, and feed forward neural network as two artificial intelligence-based models along with conventional multiple linear regression model were used to predict the multi-station modelling of dissolve oxygen concentration at the downstream of Mathura ...  Read More

Estimation of landfill gas generation in a municipal solid waste disposal site by LandGEM mathematical model

S.S. Hosseini; K. Yaghmaeian; N. Yousefi; A.H. Mahvi

Volume 4, Issue 4 , October 2018, , Pages 493-506

  Anaerobic decomposition of organic compounds in landfills is responsible for generation of greenhouse gases. The present study aimed to determine the total gas and methane emission from a landfill located in Hamedan (west of Iran) from 2011 to 2030. LandGEM 3.02 model was used to estimate the gas emission ...  Read More

Performance comparison of land change modeling techniques for land use projection of arid watersheds

S.M. Tajbakhsh; H. Memarian; K. Moradi; A.H. Aghakhani Afshar

Volume 4, Issue 3 , July 2018, , Pages 263-280

  The change of land use/land cover has been known as an imperative force in environmental alteration, especially in arid and semi-arid areas. This research was mainly aimed to assess the validity of two major types of land change modeling techniques via a three dimensional approach in Birjand urban watershed ...  Read More

Nickel removal from electroplating industry wastewater: A bamboo activated carbon

D. Sivakumar; J. Nouri; T.M. Modhini; K. Deepalakshmi

Volume 4, Issue 3 , July 2018, , Pages 325-338

  Water is prime requirement for surviving of any living beings.  The existence of surface water and groundwater sources are used for domestic, agriculture and industrial purposes in all over the world. Fresh water from both the water sources is highly contaminated in recent years because of rapid ...  Read More

Modeling of carbon monoxide dispersion around the urban tunnel portals

M. Rafiei; P.J. Sturm

Volume 4, Issue 3 , July 2018, , Pages 359-372

  The aim of this study is to investigate the problems caused by discharge of polluted air from tunnels into the environment with a specific focus on residential areas. In city tunnels, portal or stacks, pollutant management is a big challenge. Nowadays, air quality management, particularly in urban tunnels, ...  Read More

Suitability assessment for handling methods of municipal solid waste

B. Seng; T. Fujiwara; B. Seng

Volume 4, Issue 2 , April 2018, , Pages 113-126

  Solid waste management is challenging in Phnom Penh city, Capital of Cambodia. The only one formal treatment taken is the final disposal of mixed waste into an open dumpsite. The current study analyses the physical and chemical characteristics of municipal solid waste disposed of in the dumpsite to assess ...  Read More

Kinematic runoff and erosion model efficiency assessment for hydrological simulation of semi-arid watersheds

S.M. Tajbakhsh; H. Memarian; M. Sobhani; A.H. Aghakhani Afshar

Volume 4, Issue 2 , April 2018, , Pages 127-140

  Hydrologic modeling of semi-arid watersheds is imperative for the development of appropriate water and soil conservation plans. In the current study, the efficiency of Kinematic Runoff and Erosion model-version 2 (K2) model was used to evaluate water discharge and sediment load simulation of Bar watershed, ...  Read More

Coexisting arsenate and arsenite adsorption from water using porous pellet adsorbent: Optimization by response surface methodology

B. Te; B. Wichitsathian; C. Yossapol; W. Wonglertarak

Volume 4, Issue 2 , April 2018, , Pages 141-152

  Mesoporous pellet adsorbent developed from mixing at an appropriate ratio of natural clay, iron oxide, iron powder, and rice bran was used to investigate the optimization process of batch adsorption parameters for treating aqueous solution coexisting with arsenate and arsenite. Central composite design ...  Read More

Assessment of temporal and spatial eutrophication index in a water dam reservoir

F. Esfandi; A.H. Mahvi; M. Mosaferi; F. Armanfar; M. Hejazi; S. Maleki

Volume 4, Issue 2 , April 2018, , Pages 153-166

  Eutrophication is considered as a serious problem in water reservoirs. Awareness about the eutrophic status of each reservoir could help in providing a better understanding of the problem in a global scale. The present study was conducted to assess temporal and spatial eutrophication index in a water ...  Read More

Urban solid waste characterization in the east part of Black Sea region

K.O. Demirarslan; B.Y. Çelik

Volume 4, Issue 2 , April 2018, , Pages 167-182

  In the current study, the solid waste characterisation that belongs to Artvin city centre, which is located in East Black Sea Region of Turkey, were searched. The study has the feature of being the first study for the country of Artvin in terms of study. The field of study is composed of 7 neighborhoods ...  Read More