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DOI | 10.1029/2018GL081341 |
Characterization of Regional-Scale CO2 Transport Uncertainties in an Ensemble with Flow-Dependent Transport Errors | |
Chen, Hans W.1,2,3; Zhang, Fuqing1,2; Lauvaux, Thomas1,4; Davis, Kenneth J.1,5; Feng, Sha1; Butler, Martha P.1; Alley, Richard B.6,7 | |
2019-04-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:7页码:4049-4058 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Sweden; France |
英文摘要 | Inference of CO2 surface fluxes using atmospheric CO2 observations in atmospheric inversions depends critically on accurate representation of atmospheric transport. Here we characterize regional-scale CO2 transport uncertainties due to uncertainties in meteorological fields using a mesoscale atmospheric model and an ensemble of simulations with flow-dependent transport errors. During a 1-month summer period over North America, transport uncertainties yield an ensemble spread in instantaneous CO2 at 100 m above ground level comparable to the CO2 uncertainties resulting from 48% relative uncertainty in 3-hourly natural CO2 fluxes. Temporal averaging reduces transport uncertainties but increases the influence of CO2 uncertainties from the lateral boundaries. The influence of CO2 background uncertainties is especially large for column-averaged CO2. These results suggest that transport errors and CO2 background errors limit regional atmospheric inversions at two distinct timescales and that the error characteristics of transport and background errors should guide the design of regional inversion systems. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000465836200051 |
WOS关键词 | DATA ASSIMILATION ; KALMAN FILTER ; ATMOSPHERIC TRANSPORT ; MODEL ; INVERSIONS ; MESOSCALE ; PREDICTION ; TESTS ; PARAMETERIZATION ; IMPACTS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/182399 |
专题 | 气候变化 |
作者单位 | 1.Penn State Univ, Dept Meteorol & Atmospher Sci, University Pk, PA 16802 USA; 2.Penn State Univ, Ctr Adv Data Assimilat & Predictabil Tech, University Pk, PA 16802 USA; 3.Lund Univ, Dept Phys Geog & Ecosyst Sci, Lund, Sweden; 4.Univ Paris Saclay, Lab Sci Climat & Environm, Orme Merisiers, CEA,CNRS,UVSQ IPSL, Gif Sur Yvette, France; 5.Penn State Univ, Earth & Environm Sci Inst, University Pk, PA 16802 USA; 6.Penn State Univ, Dept Geosci, University Pk, PA 16802 USA; 7.Penn State Univ, Earth & Environm Syst Inst, University Pk, PA 16802 USA |
推荐引用方式 GB/T 7714 | Chen, Hans W.,Zhang, Fuqing,Lauvaux, Thomas,et al. Characterization of Regional-Scale CO2 Transport Uncertainties in an Ensemble with Flow-Dependent Transport Errors[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(7):4049-4058. |
APA | Chen, Hans W..,Zhang, Fuqing.,Lauvaux, Thomas.,Davis, Kenneth J..,Feng, Sha.,...&Alley, Richard B..(2019).Characterization of Regional-Scale CO2 Transport Uncertainties in an Ensemble with Flow-Dependent Transport Errors.GEOPHYSICAL RESEARCH LETTERS,46(7),4049-4058. |
MLA | Chen, Hans W.,et al."Characterization of Regional-Scale CO2 Transport Uncertainties in an Ensemble with Flow-Dependent Transport Errors".GEOPHYSICAL RESEARCH LETTERS 46.7(2019):4049-4058. |
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