Assessment of methane emission and oxidation at Air Hitam Landfill site cover soil in wet tropical climate

Mohammed F M Abushammala, Noor Ezlin Ahmad Basri, Rahmah Elfithri

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Methane (CH4) emissions and oxidation were measured at the Air Hitam sanitary landfill in Malaysia and were modeled using the Intergovernmental Panel on Climate Change waste model to estimate the CH4 generation rate constant, k. The emissions were measured at several locations using a fabricated static flux chamber. A combination of gas concentrations in soil profiles and surface CH4 and carbon dioxide (CO2) emissions at four monitoring locations were used to estimate the CH4 oxidation capacity. The temporal variations in CH4 and CO2 emissions were also investigated in this study. Geospatial means using point kriging and inverse distance weight (IDW), as well as arithmetic and geometric means, were used to estimate total CH4 emissions. The point kriging, IDW, and arithmetic means were almost identical and were two times higher than the geometric mean. The CH4 emission geospatial means estimated using the kriging and IDW methods were 30.81 and 30.49 g m-2 day -1, respectively. The total CH4 emissions from the studied area were 53.8 kg day-1. The mean of the CH4 oxidation capacity was 27.5 %. The estimated value of k is 0.138 year-1. Special consideration must be given to the CH4 oxidation in the wet tropical climate for enhancing CH4 emission reduction.

Original languageEnglish
Pages (from-to)9967-9978
Number of pages12
JournalEnvironmental Monitoring and Assessment
Volume185
Issue number12
DOIs
Publication statusPublished - Dec 2013

Fingerprint

soil cover
Land fill
landfill
Methane
methane
Soils
oxidation
Oxidation
air
Air
kriging
Climate change
Rate constants
Carbon dioxide
flux chamber
Fluxes
Intergovernmental Panel on Climate Change
tropical climate
Monitoring
soil profile

Keywords

  • Carbon dioxide emission
  • IDW
  • Kriging
  • Landfills
  • Methane emission
  • Methane oxidation

ASJC Scopus subject areas

  • Environmental Science(all)
  • Management, Monitoring, Policy and Law
  • Pollution

Cite this

Assessment of methane emission and oxidation at Air Hitam Landfill site cover soil in wet tropical climate. / Abushammala, Mohammed F M; Ahmad Basri, Noor Ezlin; Elfithri, Rahmah.

In: Environmental Monitoring and Assessment, Vol. 185, No. 12, 12.2013, p. 9967-9978.

Research output: Contribution to journalArticle

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