Significant Decrease of Uncertainties in Sensible Heat flux Simulation Using Temporally Variable Aerodynamic Roughness in Two Typical Forest Ecosystems of China
文献类型：SCI/SSCI论文
| 作者 | Zhou Y. L. ; Ju W. M. ; Sun X. M. ; Wen X. F. ; Guan D. X. |
| 发表日期 | 2012 |
| 关键词 | zero-plane displacement evergreen coniferous plantation balance system sebs pine mixed forest co2 flux land-surface water-use length vegetation canopy |
| 英文摘要 | Aerodynamic roughness length z(om) is an important parameter for reliably simulating surface fluxes. It varies with wind speed, atmospheric stratification, terrain, and other factors. However, it is usually considered a constant. It is known that uncertainties in z(om) result in latent heat flux (LE) simulation errors, since z(om) links LE with aerodynamic resistance. The effects of z(om) on sensible heat flux (SH) simulation are usually neglected because there is no direct link between the two. By comparing SH simulations with three types of z(om) inputs, it is found that allowing z(om) temporal variation in an SH simulation model significantly improves agreement between simulated and measured SH and also decreases the sensitivity of the SH model to the heat transfer coefficient C-t which in turn determines the linkage between Z(om) and thermal roughness length z(om). |
| 出处 | Journal of Applied Meteorology and Climatology |
| 卷 | 51 |
| 期 | 6 |
| 页 | 1099-1110 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1558-8424 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/26675]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Zhou Y. L.,Ju W. M.,Sun X. M.,et al. Significant Decrease of Uncertainties in Sensible Heat flux Simulation Using Temporally Variable Aerodynamic Roughness in Two Typical Forest Ecosystems of China. 2012. |
入库方式： OAI收割
来源：地理科学与资源研究所
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