Global Validation of a Process-Based Model on Vegetation Gross Primary Production Using Eddy Covariance Observations
文献类型：期刊论文
| 作者 | Liu, Dan; Cai, Wenwen; Xia, Jiangzhou; Dong, Wenjie; Zhou, Guangsheng1,2; Chen, Yang; Zhang, Haicheng; Yuan, Wenping |
| 刊名 | PLOS ONE
 |
| 出版日期 | 2014 |
| 卷号 | 9期号:11 |
| ISSN号 | 1932-6203 |
| DOI | 10.1371/journal.pone.0110407 |
| 文献子类 | Article |
| 英文摘要 | Gross Primary Production (GPP) is the largest flux in the global carbon cycle. However, large uncertainties in current global estimations persist. In this study, we examined the performance of a process-based model (Integrated BIosphere Simulator, IBIS) at 62 eddy covariance sites around the world. Our results indicated that the IBIS model explained 60% of the observed variation in daily GPP at all validation sites. Comparison with a satellite-based vegetation model (Eddy Covariance-Light Use Efficiency, EC-LUE) revealed that the IBIS simulations yielded comparable GPP results as the EC-LUE model. Global mean GPP estimated by the IBIS model was 107.50 +/- 1.37 Pg C year (-1) (mean value +/- standard deviation) across the vegetated area for the period 2000-2006, consistent with the results of the EC-LUE model (109.39 +/- 1.48 Pg C year (-1)). To evaluate the uncertainty introduced by the parameter V-cmax, which represents the maximum photosynthetic capacity, we inversed V-cmax using Markov Chain-Monte Carlo (MCMC) procedures. Using the inversed V-cmax values, the simulated global GPP increased by 16.5 Pg C year (-1), indicating that IBIS model is sensitive to V-cmax, and large uncertainty exists in model parameterization. |
| 学科主题 | Multidisciplinary Sciences |
| 出版地 | SAN FRANCISCO |
| WOS关键词 | NET ECOSYSTEM EXCHANGE ; PARAMETER-ESTIMATION ; TERRESTRIAL GROSS ; SEASONAL DROUGHT ; CARBON-DIOXIDE ; WATER ; FOREST ; PHOTOSYNTHESIS ; UNCERTAINTY ; PATTERNS |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000344402600011 |
| 出版者 | PUBLIC LIBRARY SCIENCE |
| 资助机构 | National Science Foundation for Excellent Young Scholars of China [41322005] ; National High Technology Research and Development Program of China (863 Program) [2013AA122003] ; National Natural Science Foundation of China [41201078] ; Program for New Century Excellent Talents in University [NCET-32212-0060] ; Fundamental Research Funds for the Central Universities |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/27341]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China 2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China 3.Chinese Acad Meteorol Sci, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Dan,Cai, Wenwen,Xia, Jiangzhou,et al. Global Validation of a Process-Based Model on Vegetation Gross Primary Production Using Eddy Covariance Observations[J]. PLOS ONE,2014,9(11). |
| APA | Liu, Dan.,Cai, Wenwen.,Xia, Jiangzhou.,Dong, Wenjie.,Zhou, Guangsheng.,...&Yuan, Wenping.(2014).Global Validation of a Process-Based Model on Vegetation Gross Primary Production Using Eddy Covariance Observations.PLOS ONE,9(11). |
| MLA | Liu, Dan,et al."Global Validation of a Process-Based Model on Vegetation Gross Primary Production Using Eddy Covariance Observations".PLOS ONE 9.11(2014). |
入库方式： OAI收割
来源：植物研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。