ORIGINAL RESEARCH PAPER Solid waste management
1. Forecast generation model of municipal solid waste using multiple linear regression

J.A. Araiza-Aguilar; M.N. Rojas-Valencia; R.A. Aguilar-Vera

Volume 6, Issue 1 , Winter 2020, Pages 1-14

http://dx.doi.org/10.22034/GJESM.2020.01.01

Abstract
  The objective of this study was to develop a forecast model to determine the rate of generation of municipal solid waste in the municipalities of the Cuenca del Cañón del Sumidero, Chiapas, Mexico. Multiple linear regression was used with social and demographic explanatory variables. The ...  Read More

ORIGINAL RESEARCH PAPER Environmental bioremediation and measurement
2. Conventional steam activation for conversion of oil palm kernel shell biomass into activated carbon via biochar product

A.C. Affam

Volume 6, Issue 1 , Winter 2020, Pages 15-30

http://dx.doi.org/10.22034/GJESM.2020.01.02

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

ORIGINAL RESEARCH PAPER Hydrology and water resources
3. Environmental sensitivity of flash flood hazard using geospatial techniques

H.T. Abdel Hamid; W. Wenlong; L. Qiaomin

Volume 6, Issue 1 , Winter 2020, Pages 31-46

http://dx.doi.org/10.22034/GJESM.2020.01.03

Abstract
  Flash flood has been increasing in the Khartoum area, Sudan due to geographical conditions and climatic change as heavy rainfall and high temperature, therefore the present work tried to estimate the sensitivity of flash flood. The present work proposes an advanced technique of flood sensitivity mapping ...  Read More

ORIGINAL RESEARCH PAPER Environmental microbiology
4. Antioxidant and antibacterial activity of red seaweed Kappaphycus alvarezii against pathogenic bacteria

P. Bhuyar; M.H. Rahim; S. Sundararaju; G.P. Maniam; N. Govindan

Volume 6, Issue 1 , Winter 2020, Pages 47-58

http://dx.doi.org/10.22034/GJESM.2020.01.04

Abstract
  Seaweeds can produce variety of bioactive components for the benefits of humans. Malaysia is one of the countries to produce red seaweeds, which are popular secondary metabolites. Kappaphycus species, largest tropical red algae exhibit the high growth rate. It was reported that its biomass can grow double ...  Read More

ORIGINAL RESEARCH PAPER Marine and coastal environmental pollution and management
5. Soil salinity and nutrients pattern along a distance gradient in coastal region

S. Ahmed; I. Kayes; S.A. Shahriar; M. Kabir; M.A. Salam; S. Mukul

Volume 6, Issue 1 , Winter 2020, Pages 59-72

http://dx.doi.org/10.22034/GJESM.2020.01.05

Abstract
  Soil salinity is considered as one of the major challenges in coastal agriculture in Bangladesh yet geographical extent of soil salinity and nutrients status have received little or no attention. This study investigated the patterns of soil salinity, total nitrogen, phosphorous, potassium and sulfur ...  Read More

ORIGINAL RESEARCH PAPER Environmental economics
6. Environmental-economic evaluation of sugar cane bagasse gasification power plants versus combined-cycle gas power plants

F. Mohammadi; M.A. Abdoli; M. Amidpour; H, Vahidi; S. Gitipour

Volume 6, Issue 1 , Winter 2020, Pages 73-84

http://dx.doi.org/10.22034/GJESM.2020.01.06

Abstract
  Approximately 2.4 million tons of bagasse are produced each year in Iran, most of which are currently treated as waste adding to serious environmental concerns. Application of bagasse for energy production is a sustainable solution to supply the required energy within the sugar refineries and export ...  Read More

ORIGINAL RESEARCH PAPER Water pollution control and management
7. 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 , Winter 2020, Pages 85-96

http://dx.doi.org/10.22034/GJESM.2020.01.07

Abstract
  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

ORIGINAL RESEARCH PAPER Environmental management
8. Narrow band based and broadband derived vegetation indices using Sentinel-2 Imagery to estimate vegetation biomass

A.B. Imran; K. Khan; N. Ali; N. Ahmad; A. Ali; K. Shah

Volume 6, Issue 1 , Winter 2020, Pages 97-108

http://dx.doi.org/10.22034/GJESM.2020.01.08

Abstract
  Forest’s ecosystem is one of the most important carbon sink of the terrestrial ecosystem. Remote sensing technology provides robust techniques to estimate biomass and solve challenges in forest resource assessment. The present study explored the potential of Sentinel-2 bands to estimate biomass ...  Read More

ORIGINAL RESEARCH PAPER Environmental microbiology
9. Phenol biodegradation by bacterial strain O-CH1 isolated from seashore

M. Samimi; M. Shahriari Moghadam

Volume 6, Issue 1 , Winter 2020, Pages 109-118

http://dx.doi.org/10.22034/GJESM.2020.01.09

Abstract
  phenol and phenolic compounds are among the most recognized environmental pollutants which exist in industrial wastewater and enter the biological cycles due to the solubility in water. Bioremediation is one of the cost-effective and Eco-friendly methods for phenol removal. In this study, the most effective ...  Read More

ORIGINAL RESEARCH PAPER Marine and coastal environmental pollution and management
10. The susceptibility level and sustainability potential of groupers; Plectropomus sp. in a marine national park

M. Tadjuddah; . Abdullah; S. Kamri; N.I. Wianti

Volume 6, Issue 1 , Winter 2020, Pages 119-132

http://dx.doi.org/10.22034/GJESM.2020.01.10

Abstract
  Wakatobi National Park has a tropical marine ecosystem with typically dynamic aquatic resources, and it also has a potentially massive number of groupers such as red (Plectropomus leopardus) and black groupers (Plectropomus areolatus). However, the sustainability of the grouper resources has not been ...  Read More