Greenhouse Gas Emissions: Historical and Projected Methane Emissions from Rice Cultivation in Malaysia (1990-2030)

Talib, Shaidatul Azdawiyah Abdul; Suptian, Mohd Fairuz Md.; Rahman, Mohammad Hariz Abdul; Bakar, Nurul Ain Abu; Fauzi, J.; Azmin, Azizi A.; Mardhati, M.; Ghani, Mohamad Zabawi A.

doi:10.22158/ra.v3n1p19

Cited by 3 publications

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“…Various trends in rainfall are influenced by atmospheric circulation changes [ 5 ], which were triggered by human actions that increased the atmospheric concentration of greenhouse gases [ 80 ]. Moreover, changes in rainfall patterns are influenced by a location's topographical features [ 81 ], since weather patterns and climate circulation are influenced by land cover and land used based on local, regional, and global scale [ 52 ].…”

Section: Discussionmentioning

confidence: 99%

Irregularity and time series trend analysis of rainfall in Johor, Malaysia

Abdul Talib,

Idris,

Neng

et al. 2024

Heliyon

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Section: Discussionmentioning

confidence: 99%

Irregularity and time series trend analysis of rainfall in Johor, Malaysia

Abdul Talib,

Idris,

Neng

et al. 2024

Heliyon

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Factors affecting methane emissions in OPEC member countries: does the agricultural production matter?

Tarazkar

Dehbidi

Ansari

et al. 2020

Environ Dev Sustain

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Development of National Emission Factor for Rice Production System in Malaysia: A Step Toward Achieving Sustainable Development Goals

Rashid,

Bastami,

Bakar

et al. 2024

jlsdgr

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Objective: Currently, methane (CH4) emissions from rice cultivation in Malaysia are calculated using the regional’s methane emission factor (EF) of 1.60 kg CH₄ ha⁻¹ day⁻¹, as Malaysia has not yet developed a national emission factor. The objective of this study is to generate a country-specific EF of CH4 emission from rice cultivation in Malaysian rice fields. The EF generated would then be used in future emission estimates and the country’s greenhouse gas (GHG) inventory reports to the United Nations Framework Convention on Climate Change (UNFCCC). Theoretical Framework: The establishment of a national GHG emission factor for rice cultivation in Malaysia is critical for accurate GHG inventory reporting and effective climate change mitigation. This study utilizes the Intergovernmental Panel on Climate Change (IPCC) guidelines to derive a country-specific emission factor, enhancing Malaysia’s compliance with international climate obligations and promoting sustainable agricultural practices. Method: A new national EF was developed from eleven rice planting seasons in rice granary areas (IADA Pulau Pinang, IADA Barat Laut Selangor, MADA and KADA) and non-granary area (Sik, Kedah). The EF was calculated from methane emissions from the new data sets, published journals and unpublished data from MARDI. For the new data set, methane gas (CH4) was measured using a static chamber method (Minamikawa et al., 2015). Sampling of GHG from the gas chamber is carried out in the field every 2 weeks and gas was analysed by a GC System Agilent 7890A gas chromatography. The daily methane flux and methane emission follow the methods by Habib et al. (2007), Fauzi et al. (2023) and the Guidelines for National Greenhouse Gas Inventories for Cropland (IPCC, 2006a). Results and Discussion: The national EF calculated from CH4 gas emissions over eleven rice planting seasons in Malaysia between 2012-2024 was 1.80 kg CH4 ha-1 day-1, which is higher than the current regional EF used (1.60 kg CH4 ha-1 day-1). However, the value is within the range of the default value of 1.30 kg CH4 ha-1 day-1 by the Intergovernmental Panel on Climate Change (IPCC) 2006 and 2.00 kg CH4 ha-1 day-1 (IPCC, 1996). Research Implications: The use of this new EF resulted in 12.49% increase in the national GHG inventory from the rice cultivation sub-sector as compared to using the current regional EF. This initiative is part of a comprehensive plan to enhance and strengthen GHG inventory reporting for Malaysia's agriculture sector, aiming to meet IPCC requirements and progress to Tier 2 status.

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Greenhouse Gas Emissions: Historical and Projected Methane Emissions from Rice Cultivation in Malaysia (1990-2030)

Abstract: Global warming and climate change has reached the alarming levels due to increase of greenhouse gas emissions into the atmosphere which includes carbon dioxide (CO 2 ), methane (CH 4

Cited by 3 publications

References 0 publications

Irregularity and time series trend analysis of rainfall in Johor, Malaysia

Irregularity and time series trend analysis of rainfall in Johor, Malaysia

Factors affecting methane emissions in OPEC member countries: does the agricultural production matter?

Development of National Emission Factor for Rice Production System in Malaysia: A Step Toward Achieving Sustainable Development Goals

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