지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Terrestrial ecosystem plays the important role as carbon sink in the global carbon cycle. Understanding of interactions of terrestrial carbon cycle with climate is important for better prediction of future climate change. In this paper, terrestrial carbon cycle is investigated by Hadley Centre Global Environmental Model, version 2, Carbon Cycle (HadGEM2-CC) that considers vegetation dynamics and an interactive carbon cycle with climate. The simulation for future projection is based on the three (8.5/4.5/2.6) representative concentration pathways (RCPs) from 2006 to 2100 and compared with historical land carbon uptake from 1979 to 2005. Projected changes in ecological features such as production, respiration, net ecosystem exchange and climate condition show similar pattern in three RCPs, while the response amplitude in each RCPs are different. For all RCP scenarios, temperature and precipitation increase with rising of the atmospheric CO₂. Such climate conditions are favorable for vegetation growth and extension, causing future increase of terrestrial carbon uptakes in all RCPs. At the end of 21st century, the global average of gross and net primary productions and respiration increase in all RCPs and terrestrial ecosystem remains as carbon sink. This enhancement of land CO₂ uptake is attributed by the vegetated area expansion, increasing LAI, and early onset of growing season. After mid-21st century, temperature rising leads to excessive increase of soil respiration than net primary production and thus the terrestrial carbon uptake begins to fall since that time. Regionally the NEE average value of East-Asia (90°E-140°E, 20°N~60°N) area is bigger than that of the same latitude band. In the end-21<SUP>st</SUP> the NEE mean values in East-Asia area are ?2.09 PgC yr<SUP>?1</SUP>, ?1.12 PgC yr<SUP>?1</SUP>, ?0.47 PgC yr<SUP>?1</SUP> and zonal mean NEEs of the same latitude region are ?1.12 PgC yr<SUP>?1</SUP>, ?0.55 PgC yr<SUP>?1</SUP>, ?0.17 PgC yr<SUP>?1</SUP> for RCP 8.5, 4.5, 2.6.
목차
Abstract
1. 서론
2. 연구방법
3. 실험결과
4. 요약
REFERENCES
참고문헌 (30)
참고문헌 신청
1. [학술지(정기간행물)] - 백희정 / 2013 / Climate Change in the 21st Century Simulated by HadGEM2-AO under Representative Concentration Pathways / 한국기상학회지 49 (5) : 603 ~ 618
2. [학술지(정기간행물)] - Beck, P. S A. / 2011 / Pieter S A Beck and Scott J Goetz / Environ. Res. Lett. 6
3. [학술지(정기간행물)] - Betts, R. A. / 2004 / The role of ecosystem-atmosphere interactions in simulated Amazonian precipitation decrease and forest dieback under global climate warming / Theor. Appl. Climatol. 78 : 157 ~ 175
4. [보고서] - Clarke, L. / 2007 / Scenarios of greenhouse gas emissions and atmospheric concentrations
5. [학술지(정기간행물)] - Collins, W. J. / 2011 / Development and evaluation of an Earth-system model-HadGEM2 / Geosci. Model Dev. 4 : 1051 ~ 1075
2. [학술지(정기간행물)] - Beck, P. S A. / 2011 / Pieter S A Beck and Scott J Goetz / Environ. Res. Lett. 6
3. [학술지(정기간행물)] - Betts, R. A. / 2004 / The role of ecosystem-atmosphere interactions in simulated Amazonian precipitation decrease and forest dieback under global climate warming / Theor. Appl. Climatol. 78 : 157 ~ 175
4. [보고서] - Clarke, L. / 2007 / Scenarios of greenhouse gas emissions and atmospheric concentrations
5. [학술지(정기간행물)] - Collins, W. J. / 2011 / Development and evaluation of an Earth-system model-HadGEM2 / Geosci. Model Dev. 4 : 1051 ~ 1075
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UCI(KEPA) : I410-ECN-0101-2015-450-002731514