globalchange  > 科学计划与规划
DOI: 10.1002/2015GL063525
论文题名:
Simulation of upscale error growth with a stochastic convection scheme
作者: Selz T.; Craig G.C.
刊名: Geophysical Research Letters
ISSN: 0094-8730
EISSN: 1944-8461
出版年: 2015
卷: 42, 期:8
起始页码: 3056
结束页码: 3062
语种: 英语
英文关键词: Cumulus parametrization ; Predictability ; Stochastic parametrization ; Upscale error growth
Scopus关键词: Uncertainty analysis ; Coarser grid ; Cumulus parametrization ; Error growth ; Grid scale ; High resolution ; Predictability ; Stochastic parametrization ; Stochastic systems ; convection ; cumulus ; error analysis ; simulation ; stochasticity ; uncertainty analysis ; upscaling
英文摘要: By directly comparing the results of a recent convection-permitting upscale error growth study with simulations on coarser grids, we assessed the ability of two different convection schemes to represent convective uncertainty and propagate it upscale. It is found that the widely used Tiedtke convection scheme shows significantly reduced upscale error growth and hence leads to an overconfidence of the model. In contrast it is found that the stochastic convection scheme of Plant and Craig is able to better reproduce the high-resolution results. Evidence is presented that this improved uncertainty evolution can be related to the representation of (unpredictable) convective variability near the grid scale. ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929504816&doi=10.1002%2f2015GL063525&partnerID=40&md5=a5336a419f9388128a23f37e8e95b82a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8346
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Meteorologisches Institut, Ludwig-Maximilians-Universität, München, Germany

Recommended Citation:
Selz T.,Craig G.C.. Simulation of upscale error growth with a stochastic convection scheme[J]. Geophysical Research Letters,2015-01-01,42(8).
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