气候网络中罗斯贝波的主要印记
The dominant imprint of Rossby waves in the climate network
摘要：
网络的连接模式是以地面温度时间序列之间的相互关系为基础的，显示出南大洋的连接主要是密集的条纹。我们表明，这些链接的统计分类产生了明确的关联与大气罗斯贝波的模式，与天气系统和行星尺度能量输送的主要机制之一。它表明，交替密度的负和正的链接（相关性）安排在半罗斯贝波距离约3,500公里，7,000公里和10,000公里，并与预期的能量流的方向，时间延迟的分布和这些波的季节性。还示出了长距离链路（即，与罗斯贝波有关的（距离大于2，000 km）是气候网络中最主要的。气候网络可以作为一种有效的新方法来检测和分析罗斯贝波，除了经常使用的300 hPa再分析纬向风数据的基础上，可靠和可用的地面测量。
英文摘要：
The connectivity pattern of networks, which are based on a correlation between ground level temperature time series, shows a dominant dense stripe of links in the southern ocean. We show that statistical categorization of these links yields a clear association with the pattern of an atmospheric Rossby wave, one of the major mechanisms associated with the weather system and with planetary scale energy transport. It is shown that alternating densities of negative and positive links (correlations) are arranged in half Rossby wave distances around 3,500 km, 7,000 km and 10,000 km and are aligned with the expected direction of energy flow, distribution of time delays and the seasonality of these waves. It is also shown that long distance links (i.e., of distances larger than 2,000 km) that are associated with Rossby waves are the most dominant in the climate network. Climate networks may thus be used as an efficient new way to detect and analyze Rossby waves, based on reliable and available ground level measurements, in addition to the frequently used 300 hPa reanalysis meridional wind data.
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