DOI QR코드

DOI QR Code

Estimation and Mapping of Methane Emission from Rice Paddies in Gyunggi-do Using the Modified Water Management Scaling Factor

수정된 물관리보정인자를 적용한 경기도 논에서의 메탄 배출량 산정과 지도화

  • Received : 2016.11.18
  • Accepted : 2016.12.20
  • Published : 2016.12.30

Abstract

From the perspective of climate-smart agriculture, it is becoming more critical to accurately estimate the amount of greenhouse gas emissions in the agricultural sector. In order to accurately ascertain the methane emissions from rice paddies, which account for a significant portion of the emission from the agricultural sector, we used the data from the 2010 Agriculture, Forestry and Fisheries Census, the revised water management scaling factors and their calculation program. In order to facilitate the analyses and understanding, the results were mapped using the ArcGIS software. The fact that the validation of the mapped values against the actual field measurements at one site showed little difference encourages the necessity to further this study. The administrative districts-based map of methane emission can help clearly identify the regional differences. Furthermore, the analysis of their major controlling factors will provide important scientific basis for the practical policy makings for methane mitigation.

기후-스마트 농업의 관점에서 농업 부문의 온실가스 배출량을 감축하기 위해서는 그 양을 정확히 산정하는 것이 갈수록 중요해지고 있다. 농업 부문 배출량의 상당 부분을 차지하는 논에서 발생하는 메탄 배출량의 정확한 산정을 위해 2010년 농림어업총조사의 전수자료와 수정된 물관리보정인자 산정법 및 그 계산 프로그램을 이용하였다. 그 결과를 이해하기 쉽도록 ArcGIS 소프트웨어를 사용하여 지도화하였다. 이와 같은 방식으로 계산된 값을 현장의 실측 자료와 비교하였을 때 큰차이가 없었으며, 이러한 결과는 이 연구를 더욱 확대할 필요성이 충분함을 보여준다. 본 연구에서 제작된 행정구역별 메탄 배출량 지도를 통해 지역적으로 나타나는 차이를 명확히 인식할 수 있으며, 주요 조절 인자에 대한 분석은 실질적인 메탄 저감 대책을 마련하는 데 중요한 과학적 근거를 제공할 것으로 기대된다.

Keywords

References

  1. Choi, S-W., H. Kim, and J. Kim, 2015: Development of 'carbon footprint' concept and its utilization prospects in the agricultural and forestry sector. Korean Journal of Agricultural and Forest Meteorology 17(4), 358-383. (in Korean with English abstract) https://doi.org/10.5532/KJAFM.2015.17.4.358
  2. Choi, S-W., H. Kim, and J. Kim, 2016: Estimating and mapping of methane emission from the rice paddy in the Seoul metropolitan area. Proceedings of Autumn Meeting of KMS, 418-419. (in Korean)
  3. FAO, 2013: CLIMATE-SMART AGRICULTURE: Sourcebook, Food and Agriculture Organization of the United Nations, Rome, Italy, 557pp.
  4. IPCC, 2006: 2006 IPCC Guidelines for National Greenhouse Gas Inventories. Prepared by the National Greenhouse Gas Inventories Programme [Eggleston H.S., Buendia L., Miwa K., Ngara T. and Tanabe K. (eds.)]. IGES, Japan.
  5. Kang, N., J. Yun, M. S. A. Talucder, M. Moon, M. Kang, K-M. Shim, and J. Kim, 2015: Corrections on CH4 fluxes measured in a rice paddy by Eddy covariance method with an open-path wavelength modulation spectroscopy. Korean Journal of Agricultural and Forest Meteorology 17(1), 15-24. (in Korean with English abstract) https://doi.org/10.5532/KJAFM.2015.17.1.15
  6. Kim, G-Y., H-C. Jeong, O-J. Ju, H-K. Kim, J-H. Park, H-S. Gwon, and P-J. Kim, 2013: Establishment of baseline emission factor of methane in Korean rice paddy soil. Korean journal of Environmental Agriculture 32(4), 359-365. (in Korean with English abstract) https://doi.org/10.5338/KJEA.2013.32.4.359
  7. Kim, H., S-W. Choi, and J. Kim, 2015: Research trends and future direction for sustainable agricultural and forest management. Korean Journal of Agricultural and Forest Meteorology 17(3), 236-247. (in Korean with English abstract) https://doi.org/10.5532/KJAFM.2015.17.3.236
  8. Kim, Y., M. S. A. Talucder, M. Kang, K. Shim, N. Kang, and J. Kim, 2016: Interannual variations in methane emission from an irrigated rice paddy caused by rainfalls during the aeration period. Agriculture, Ecosystems and Environment 223, 67-75. https://doi.org/10.1016/j.agee.2016.02.032