Environmental Management
Spatial delineation on marine environmental characteristics using fuzzy c-means clustering method

E.D. Lusiana; S. Astutik; N. Nurjannah; A.B. Sambah

Volume 9, Issue 3 , July 2023, , Pages 463-476

https://doi.org/10.22034/gjesm.2023.03.07

Abstract
  BACKGROUND AND OBJECTIVES: Conservation efforts are often prioritized on a large spatial scale because information about local ecosystems is frequently lacking. Therefore, comprehensive spatial classification of a region’s environmental characteristics is essential for effective marine conservation. ...  Read More

Environmental Engineering
Forecasting particulate matter concentration using nonlinear autoregression with exogenous input model

M.I. Rumaling; F.P. Chee; H.W.J. Chang; C.M. Payus; S.K. Kong; J. Dayou; J. Sentian

Volume 8, Issue 1 , January 2022, , Pages 27-44

https://doi.org/10.22034/GJESM.2022.01.03

Abstract
  BACKGROUND AND OBJECTIVES: Air quality in some developing countries is dominated by particulate matter, especially those with size 10 micrometers and smaller or PM10. They can be inhaled and sometimes can get deep into lungs; some may even get into bloodstream and cause serious health problems. Therefore, ...  Read More

Environmental Management
Monitoring and assessment of a eutrophicated coastal lake using multivariate approaches

U.G. Abhijna

Volume 2, Issue 3 , September 2016, , Pages 275-288

https://doi.org/10.7508/gjesm.2016.03.007

Abstract
  Multivariate statistical techniques such as cluster analysis, multidimensional scaling and principal component analysis were applied to evaluate the temporal and spatial variations in water quality data set generated for two years (2008-2010) from six monitoring stations of Veli-Akkulam Lake and compared ...  Read More