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首页> 外文期刊>Nonlinear processes in geophysics >Perturbing a Weather Generator using change factors derived from Regional Climate Model simulations
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Perturbing a Weather Generator using change factors derived from Regional Climate Model simulations

机译:使用从区域气候模型模拟中得出的变化因子干扰天气生成器

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The purpose of this paper is to provide a method for perturbing Weather Generators (WGs) for future decades and to assess its effectiveness. Here the procedure is applied to the WG implemented within the UKCP09 package and assessed using data from a Regional Climate Model (RCM) simulation which provides a significant "climate change" between a control run period and a distant future. The WG is normally calibrated on observed data. For this study, data from an RCM control period (1961–1990) was used, then perturbed using the procedure. Because only monthly differences between the RCM control and scenario periods are used to perturb the WG, the direct daily RCM scenario may be considered as unseen data to assess how well the perturbation procedure reproduces the direct RCM simulations for the future.
机译:本文的目的是提供一种在未来数十年内扰动天气生成器(WG)的方法,并评估其有效性。在此,该程序将应用于UKCP09软件包中实施的工作组,并使用来自区域气候模型(RCM)模拟的数据进行评估,该数据在控制运行期与遥远的未来之间提供了重大的“气候变化”。 WG通常根据观察到的数据进行校准。在本研究中,使用了RCM控制时期(1961-1990)的数据,然后使用该程序对其进行了扰动。由于仅使用RCM控制和方案周期之间的每月差异来干扰工作组,因此可以将直接每日RCM方案视为看不见的数据,以评估扰动过程在多大程度上再现了将来的直接RCM模拟。

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