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자료유형
학술저널
저자정보
선민아 (국립기상과학원) 조천호 (국립기상과학원) 김영미 (국립기상과학원) 이조한 (국립기상과학원) 부경온 (국립기상과학원) 변영화 (국립기상과학원)
저널정보
한국기상학회 대기 대기 Vol.27 No.2
발행연도
2017.6
수록면
163 - 175 (13page)

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The global terrestrial ecosystems have shown a large spatial variability in recent decades and represented a carbon sink pattern at mid-to-high latitude in Northern Hemisphere. However, there are many uncertainties in magnitude and spatial distribution of terrestrial carbon fluxes due to the effect of climate factors. So, it needs to accurately understand the spatio-temporal variations on carbon exchange flux with climate. This study focused on the effects of climate factors, .i.e. temperature, precipitation, and solar radiation, to terrestrial biosphere carbon flux. We used the terrestrial carbon flux that is simulated by a CarbonTracker, which performs data assimilation of global atmospheric CO₂ mole fraction measurements. We demonstrated significant interactions between Net Ecosystem Production (NEP) and climate factors by using the partial correlation analysis. NEP showed positive correlation with temperature at mid-to-high latitude in Northern Hemisphere but showed negative correlation pattern at 0-30°N. Also, NEP represented mostly negative correlation with precipitation at 60°S-30°N. Solar radiation affected NEP positively at all latitudes and percentage of positive correlation at tropical regions was relatively lower than other latitudes. Spring and summer warming had potentially positive effect on NEP in Northern Hemisphere. On the other hand as increasing the temperature in autumn, NEP was largely reduced in most northern terrestrial ecosystems. The NEP variability that depends on climate factors also differently represented with the type of vegetation. Especially in crop regions, land carbon sinks had positive correlation with temperature but showed negative correlation with precipitation.

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Abstract
1. 서론
2. 모델 자료 및 분석 방법
3. 결과
4. 요약 및 결론
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UCI(KEPA) : I410-ECN-0101-2018-453-001013158