Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JAS-D-16-0160.1 |
Structure Function Analysis of Water Vapor Simulated with a Convection-Permitting Model and Comparison to Airborne Lidar Observations | |
Selz, Tobias; Fischer, Lucas; Craig, George C. | |
2017-04-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:4 |
文章类型 | Article |
语种 | 英语 |
国家 | Germany |
英文摘要 | The spatial scale dependence of midlatitude water vapor variability in the high-resolution limited-area model COSMO is evaluated using diagnostics of scaling behavior. Past analysis of airborne lidar measurements showed that structure function scaling exponents depend on the corresponding airmass characteristics, and that a classification of the troposphere into convective and nonconvective layers led to significantly different power-law behaviors for each of these two regimes. In particular, scaling properties in the convective air mass were characterized by rough and highly intermittent data series, whereas the nonconvective regime was dominated by smoother structures with weaker small-scale variability. This study finds similar results in a model simulation with an even more pronounced distinction between the two air masses. Quantitative scaling diagnostics agree well with measurements in the nonconvective air mass, whereas in the convective air mass the simulation shows a much higher intermittency. Sensitivity analyses were performed using the model data to assess the impact of limitations of the observational dataset, which indicate that analyses of lidar data most likely underestimated the intermittency in convective air masses due to the small samples from single flight tracks, which led to a bias when data with poor fits were rejected. Though the quantitative estimation of intermittency remains uncertain for convective air masses, the ability of the model to capture the dominant weather regime dependence of water vapor scaling properties is encouraging. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000399333700013 |
WOS关键词 | KINETIC-ENERGY SPECTRA ; LARGE-SCALE MODELS ; LIQUID WATER ; PARAMETERIZATION ; VARIABILITY ; PACIFIC ; STRATOCUMULUS ; TEMPERATURE ; INVARIANCE ; SCHEME |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
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/29315 |
专题 | 地球科学 |
作者单位 | Ludwig Maximilians Univ Munchen, Meteorol Inst, Munich, Germany |
推荐引用方式 GB/T 7714 | Selz, Tobias,Fischer, Lucas,Craig, George C.. Structure Function Analysis of Water Vapor Simulated with a Convection-Permitting Model and Comparison to Airborne Lidar Observations[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(4). |
APA | Selz, Tobias,Fischer, Lucas,&Craig, George C..(2017).Structure Function Analysis of Water Vapor Simulated with a Convection-Permitting Model and Comparison to Airborne Lidar Observations.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(4). |
MLA | Selz, Tobias,et al."Structure Function Analysis of Water Vapor Simulated with a Convection-Permitting Model and Comparison to Airborne Lidar Observations".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.4(2017). |
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