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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >A case study of orographic rainfall processes incorporating multiscaling characterization techniques
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A case study of orographic rainfall processes incorporating multiscaling characterization techniques

机译：结合多尺度表征技术的地形降雨过程案例研究

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The Southern Alps field experiment was designed to identify the dominant rainfall processes in intense orographic events in the South Island of New Zealand and included the deployment of a rain gauge network and meteorological radar. Multiscaling statistics, used to characterize the rainfall from a single extreme event, revealed both orographic and temporal changes in the rainfall nature, with significantly more incessant rainfall observed in the higher-altitude regions. Central to this work was physical interpretation of the statistical parameters, which contributes toward forming links between multiscaling analysis and meteorological processes necessary for practical applications of multiscaling statistics. A further step was taken by combining the statistical results with other meteorological data to infer details of the physical processes, hence providing an example of the utility of multiscaling characterization of rainfall for improving our understanding of physical rainfall processes. Evidence is presented of lateral broadening of precipitating elements as the alpine divide is approached and is used, in conjunction with the wind profile, to explain the quasi-incessant rainfall observed near the divide. [References: 29]
机译：南阿尔卑斯山野外实验旨在确定新西兰南岛强烈地形事件中的主要降雨过程，其中包括部署雨量计网络和气象雷达。用于描述单个极端事件降雨特征的多尺度统计数据揭示了降雨自然的地形和时间变化，在高海拔地区观测到的持续降雨明显更多。这项工作的核心是对统计参数的物理解释，这有助于在多尺度分析和实际应用多尺度统计所必需的气象过程之间形成联系。通过将统计结果与其他气象数据相结合以推断出物理过程的详细信息，从而采取了进一步的措施，从而提供了降雨多尺度表征实用程序的示例，以提高我们对物理降雨过程的理解。提出的证据表明，随着接近高山分界，降水元素横向扩展，并与风廓线一起用于解释在分界附近观测到的准持续降雨。 [参考：29]

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