1. Hazard assessment for a pharmaceutical mixture detected in the upper Tennessee River using Daphnia magna

D. Wolfe; M. Schorr; M. Hanson; C.H. Nelson; S.M. Richards

Volume 1, Issue 1 , Winter 2015, , Pages 1-14

http://dx.doi.org/10.7508/gjesm.2015.01.001

Abstract
  Widespread use of pharmaceuticals has resulted in mixture concentrations ranging from mg/L in effluent to µg/L concentrations in surface water. In a 2008 study, 13 pharmaceuticals, ranging in amounts from 0.0028 to 0.1757 µg/l, were identified in the Tennessee River, USA and its tributaries. ...  Read More

2. Isolation and partial characterization of a new strain of Klebsiella pneumoniae capable of high 1,3 propanediol production from glycerol

B. Sen; A.P. Dabir; V.B. Lanjekar; D.R. Ranade

Volume 1, Issue 2 , Spring 2015, , Pages 99-108

http://dx.doi.org/10.7508/gjesm.2015.02.001

Abstract
  Glycerol is a promising feedstock for microbial cultivation and production of 1,3 propanediol (1,3 PDO). Here we report a newly isolated bacterial strain BA11 from soil, capable of fermenting glycerol to 1,3 PDO, and has been identified to be a strain of Klebsiella pneumoniae. Strain BA11 was fast growing ...  Read More

3. Deposition of carbon nanotubes in commonly used sample filter media

B.D. Smith; S.B.H. Bach

Volume 1, Issue 3 , Summer 2015, , Pages 189-198

http://dx.doi.org/10.7508/gjesm.2015.03.001

Abstract
  There is no single standard technique or methodology to characterize the size, structure, number, and chemical composition of airborne carbon nanotubes.  Existing analytical instruments and analytical techniques for evaluating nanoparticle concentrations cannot simultaneously provide morphology, ...  Read More

4. Prospecting for geothermal energy through satellite based thermal data: Review and the way forward

F. Howari

Volume 1, Issue 4 , Autumn 2015, , Pages 265-274

http://dx.doi.org/10.7508/gjesm.2015.04.001

Abstract
  Geothermal investors need to be confident with the methods and results of exploration programs. Also cutting the upfront cost of geothermal exploration will further encourage investors to consider investment in this emerging clean energy field. Hence, it is of paramount importance to improve prospecting ...  Read More

Environmental chemistry
5. Column operation studies for the removal of dyes and phenols using a low cost adsorbent

V. K. Gupta; Suhas; I. Tyagi; S. Agarwal; R. Singh; M. Chaudhary; A. Harit; S. Kushwaha

Volume 2, Issue 1 , Winter 2016, , Pages 1-10

http://dx.doi.org/10.7508/gjesm.2016.01.001

Abstract
  Fertilizer plant waste carbon slurry has been investigated after some processing as an adsorbent for the removal of dyes and phenols using columns. The results show that the carbonaceous adsorbent prepared from carbon slurry being porous and having appreciable surface area (380 m2/g) can remove dyes ...  Read More

Air pollution control and management
6. Effect of the Apulia air quality plan on PM10 and benzo(a)pyrene exceedances

L. Trizio; L. Angiuli; M. Menegotto; F. Fedele; R. Giua; F. Mazzone; A.G.C. Carducci; R. Bellotti; G. Assennato

Volume 2, Issue 2 , Spring 2016, , Pages 95-104

http://dx.doi.org/10.7508/gjesm.2016.02.001

Abstract
  During the last years, several exceedances of PM10 and benzo(a)pyrene limit values exceedances were recorded in Taranto, a city in southern Italy included in so-called areas at high risk of environmental crisis because of the presence of a heavy industrial district including the largest steel factory ...  Read More

Environmental chemistry
7. Preparation, characterization and phenol adsorption capacity of activated carbons from African beech wood sawdust

N.T. Abdel-Ghani; G.A. El-Chaghaby; F.S. Helal

Volume 2, Issue 3 , Summer 2016, , Pages 209-222

http://dx.doi.org/10.7508/gjesm.2016.03.001

Abstract
  In the present study, different activated carbons were prepared from carbonized African beech wood sawdust by potassium hydroxide activation. The activated carbons were characterized by brunauer–emmett–teller, scanning electron microscope, fourier transform infrared spectroscopy, and thermogravimetric ...  Read More

Soil pollution and remediation
8. Responses of endogenous proline in rice seedlings under chromium exposure

X.Z. Yu; M.R. Lu

Volume 2, Issue 4 , Autumn 2016, , Pages 319-326

http://dx.doi.org/10.22034/gjesm.2016.02.04.001

Abstract
  Hydroponic experiments were performed to exam the dynamic change of endogenous proline in rice seedlings exposed to potassium chromate chromium (VI) or chromium nitrate chromium (III). Although accumulation of both chromium species in rice seedlings was obvious, more chromium was detected in plant tissues ...  Read More

Climate change and global warming
9. Forecasting CO2 emissions in the Persian Gulf States

F.A. Olabemiwo; G.I. Danmaliki; T.A. Oyehan; B.S. Tawabini

Volume 3, Issue 1 , Winter 2017, , Pages 1-10

http://dx.doi.org/10.22034/gjesm.2017.03.01.001

Abstract
  The Persian Gulf States (Bahrain. Iran, Iraq, Kuwait, Qatar, Saudi Arabia and United Arab Emirate) have dominated the oil and gas sector since the discovery of oil in the region. They are the world largest producers of crude oil, producing about 35 and 25 percent of the world natural gas and crude oil ...  Read More

Environmental management
10. Effects of the land use change on ecosystem service value

J. Zhou; L. Sun; S.Y. Zang; K. Wang; J.Y. Zhao; Z.X. Li; X.M. Liu; X.R. Liu

Volume 3, Issue 2 , Spring 2017, , Pages 121-130

http://dx.doi.org/10.22034/gjesm.2017.03.02.001

Abstract
  The impacts of land utilization change on the ecosystem service values in Daqing during 1995 to 2015 were analyzed based on unit area ecosystem service value of Chinese territorial ecosystem from Mr. Xie Gaodi and ecosystem service value calculation formula from Costanza. Results showed that the ecosystem ...  Read More

Urban and built environmental management
11. Microclimate land surface temperatures across urban land use/ land cover forms

S. Ali; S. Patnaik; O. Madguni

Volume 3, Issue 3 , Summer 2017, , Pages 231-242

http://dx.doi.org/10.22034/gjesm.2017.03.03.001

Abstract
  Urbanization brings biophysical changes in the composition of the landscape. Such change has an impact on the thermal environment locally. The urban mosaic of land use and land cover is thus characteristically composed of local climate zones. The spatial variation in the land surface temperature across ...  Read More

Environmental risk assessment and management
12. Impact of silver ions and silver nanoparticles on the plant growth and soil microorganisms

D. Tomacheski; M. Pittol; D.N. Simões; V.F. Ribeiro; R.M.C. Santana

Volume 3, Issue 4 , Autumn 2017, , Pages 341-350

http://dx.doi.org/10.22034/gjesm.2017.03.04.001

Abstract
  There is a growing consumer market for products that proclaim to decrease microorganism counts to prevent infections. Most of these products are loaded with silver in its ionic or nanoparticle form. Through use or during production, these particles can find their way into the soil and cause an impact ...  Read More

Environmental management
13. Perceptions of environmental sustainability amongst mineworkers

F. Ince

Volume 4, Issue 1 , Winter 2018, , Pages 1-8

http://dx.doi.org/10.22034/gjesm.2018.04.01.001

Abstract
  Environmental sustainability needs to use resources efficiently and effectively from macro to micro level with a systematic approach. The dualistic relationship between ecosystem and human beings require considering ecological and social systems as well as economic factors known as the three-legged approach. ...  Read More

Solid waste management
14. Suitability assessment for handling methods of municipal solid waste

B. Seng; T. Fujiwara; B. Seng

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

http://dx.doi.org/10.22034/gjesm.2018.04.02.001

Abstract
  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

Environmental biology and biotechnology
15. A new kinetic model for biogas production from co-digestion by batch mode

D. Pham Van; M.G. Hoang; S.T. Pham Phu; T. Fujiwara

Volume 4, Issue 3 , Summer 2018, , Pages 251-262

http://dx.doi.org/10.22034/GJESM.2018.03.001

Abstract
  Coming out from the growth kinetics, the Gompertz model has been developed and considered as the best one for simulating the biogas production from anaerobic digestion. However, the model has failed to describe the starting point of the process, and no-sense of lag phase constant has been pointed out. ...  Read More

Environmental risk assessment and management
16. Inland wetlands mapping and vulnerability assessment using an integrated geographic information system and remote sensing techniques

C.E. Akumu; J. Henry; T. Gala; S. Dennis; C. Reddy; F. Tegegne; S. Haile; R.S. Archer

Volume 4, Issue 4 , Autumn 2018, , Pages 387-400

http://dx.doi.org/10.22034/gjesm.2018.04.001

Abstract
  The understanding of inland wetlands’ distribution and their level of vulnerability is important to enhance management and conservation efforts. The aim of the study was to map inland wetlands and assess their distribution pattern and vulnerability to natural and human disturbances such as climate ...  Read More

Environmental risk assessment and management
17. Flood hazard zones using 2d hydrodynamic modeling and remote sensing approaches

M.B.T. Alivio; G.R. Puno; B.A.M. Talisay

Volume 5, Issue 1 , Winter 2019, , Pages 1-16

http://dx.doi.org/10.22034/gjesm.2019.01.01

Abstract
  Increasing frequency and severity of flooding demands identification of flood hazard zones in Kalilangan, Bukidnon in response to the echoing need of better disaster preparedness via enhancing the understanding and awareness of the public on flood characteristics by integrating the use of two-dimensional ...  Read More

Environmental risk assessment and management
18. Flood hazard mapping in an urban area using combined hydrologic-hydraulic models and geospatial technologies

B.A.M. Talisay; G.R. Puno; R.A.L. Amper

Volume 5, Issue 2 , Spring 2019, , Pages 139-154

http://dx.doi.org/10.22034/gjesm.2019.02.01

Abstract
  Flooding is one of the most occurring natural hazards every year risking the lives and properties of the affected communities, especially in Philippine context. To visualize the extent and mitigate the impacts of flood hazard in Malingon River in Valencia City, Bukidnon, this paper presents the combination ...  Read More

Air pollution control and management
19. The relationships between meteorological parameters and air pollutants in an urban environment

I. Kayes; S.A. Shahriar; K. Hasan; M. Akhter; M.M. Kabir; M.A. Salam

Volume 5, Issue 3 , Summer 2019, , Pages 265-278

http://dx.doi.org/10.22034/GJESM.2019.03.01

Abstract
  Meteorological parameters play a significant role in affecting ambient air quality of an urban environment. As Dhaka, the capital city of Bangladesh, is one of the air pollution hotspot among the megacities in the world, however the potential meteorological influences on criteria air pollutants for this ...  Read More

Energy and environment
20. Economic and environmental performance analysis of Polish energy companies

A. Włodarczyk

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

http://dx.doi.org/10.22034/gjesm.2019.05.SI.01

Abstract
  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 management
21. The impact of sound land use management to reduce runoff

Z.A. Buisan; A.E. Milano; P.D. Suson; D.S. Mostrales; C.S. Taclendo; J.G. Blasco

Volume 5, Issue 4 , Autumn 2019, , Pages 399-414

http://dx.doi.org/10.22034/GJESM.2019.04.01

Abstract
  The study aimed to determine the impact of sound land use management to the runoff in Kabuntalan, Maguindanao in Tamontaka river basin. This was done through simulation and the comparison of the three land cover scenarios such as 2015 land cover, 2025 projected land cover and desired land use to determine ...  Read More

22. Conventional steam activation for conversion of oil palm kernel shell biomass into activated carbon via biochar product

A.C. Affam

Articles in Press, Accepted Manuscript, Available Online from 21 September 2019

Abstract
  Conventional steam activation pyrolysis of waste materials such as oil palm kernel shell for production of biochar was investigated using central composite design. Conventional steam activation was carried out via an initial carbonization of oil palm kernel shell to obtain biochar and thereafter steam ...  Read More

23. Particle-size fractions-dependent extracellular enzyme activity in sediments and implications for resource allocation in a subtropical mangrove ecosystem

L. Luo; J.-D. Gu

Volume 1, Issue 1 , Winter 2015, , Pages 15-26

http://dx.doi.org/10.7508/gjesm.2015.01.002

Abstract
  The distribution of extracellular enzyme activities in particle-size fractions of sediments was investigated in a subtropical mangrove ecosystem. Five enzymes involved in carbon (C), nitrogen (N), and phosphorus (P) cycling were analyzed in the sand, silt, and clay of sediments. Among these fractions, ...  Read More

24. Environmental qualitative assessment of rivers sediments

A.R. Karbassi; M. Pazoki

Volume 1, Issue 2 , Spring 2015, , Pages 109-116

http://dx.doi.org/10.7508/gjesm.2015.02.002

Abstract
  In this study, the concentrations of heavy metals (Ca, Zn, Cu, Fe, Mn, Ni) in thesediment of Shavoor River in Khuzestan Province in Iran has been investigated. After the library studies and field studies, six samples of water and sediment were taken from the river in order to evaluate heavy metal pollution ...  Read More

25. Phytotoxicity of methylene blue to rice seedlings

X.Z. Yu; Y.X. Feng; D.M. Yue

Volume 1, Issue 3 , Summer 2015, , Pages 199-204

http://dx.doi.org/10.7508/gjesm.2015.03.002

Abstract
  Methylene blue is widely used in various industrial branches. Due to insufficient treatment, its occurrence in wastewater is frequently detected, which may result in serious environment problems to aquatic organisms. Hydroponic experiments were conducted with rice seedlings (Oryza sativa L. cv. XZX 45) ...  Read More