한국농림기상학회지, 제 15권 제4호(2013) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 15, No. 4, (2013), pp. 273~281
DOI: 10.5532/KJAFM.2013.15.4.273
ⓒ Author(s) 2014. CC Attribution 3.0 License.


김제 벼-보리 이모작 논에서 벼 재배기간동안의 CO2 및
에너지 플럭스의 계절적 변화

민성현, 심교문, 김용석, 정명표, 김석철, 소규호
국립농업과학원

(2013년 10월 21일 접수; 2013년 11월 11일 수정; 2013년 12월 20일 수락)

Seasonal Variation of Carbon Dioxide and Energy Fluxes During the
Rice Cropping Season at Rice-barley Double Cropping
Paddy Field of Gimje

Sung-Hyun Min, Kyo-Moon Shim, Yong-Seok Kim, Myung-Pyo Jung,
Seok-Cheal Kim, Kyu-Ho So
National Academy of Agricultural Science, RDA, Suwon, Korea

(Received October 21, 2013; Revised November 11, 2013; Accepted December 20, 2013)

ABSTRACT
Based on the results of continuous flux measurements at the Gimje paddy flux site in the southwestern coast of Korea, carbon dioxide and energy exchanges between customarily cultivated rice-barley double cropping paddy field and the atmosphere during the 2012 rice growing season (from 9th Jun. 2012 through 20th Oct. 2012) were analyzed. Carbon dioxide and energy (H, LE) fluxes were estimated by the eddy covariance method. Environmental parameters (net radiation, precipitation, etc.) and plant biomass (LAI, plant height, etc.) were measured along with fluxes. After the quality control and gap-filling, the observed fluxes were analyzed. The results have been showed that net ecosystem exchange (NEE), gross primary production (GPP), and ecosystem respiration (Re) during the rice cropping period were -277.1, 710.3, and 433.2 g C m-2, respectively.

Keyword: Ecosystem respiration (Re), Eddy covariance method, Gross primary production (GPP), Net ecosystem exchange (NEE), Rice paddy

MAIN

적요

본 연구는 전라북도 김제시 부량면 신용리의 벼-보리 이모작 논에 설치된 플럭스 관측시스템에서 2012년 벼 재배기간동안(6월 9일~10월 20일)에 연속적으로 관측된 플럭스자료를 활용하여, 논 생태계와 대기 간의 CO2 및 에너지(현열, 잠열) 교환량의 계절적 변화를 분석하였다. CO2 및 에너지의 교환량은 미기상학적인 에디공분산법으로 추정하였고, 환경인자(순복사,강수량 등)와 작물체 생육량(엽면적지수, 초장 등)도 함께 측정·조사하였다. 관측된 플럭스자료는 보정과 결측보충의 과정을 거친 후 분석에 활용되었다. 결론적으로, 벼-보리 이모작 논 생태계에서 벼 재배기간동안의 CO2의 순생태계교환량(NEE)과 총일차생산량(GPP) 및 생태적호흡량(Re)은 각각 단위면적(m2)당 -277.1, 710.3, 433.2g C로 분석되었다.

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