Cyclone tracks from 1901 to 2010 in dynamically downscaled ERA-20C reanalysis (COSMO-CLM+NEMO)
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The database contains two files: one with all cyclone trajectories from 1901 to 2010, and another one only with the so-called Vb-cyclones that propagate from the Mediterranean Sea north-eastward to Central Europe. We detected the cyclone trajectories with the method of Wernli and Schwierz (2006) and Sprenger et al. (2017) and classified all cyclone trajectories that crossed the 47°N latitude between 12°E and 22°E as Vb-cyclones following Hofstätter and Blöschl (2019). The cyclone tracking was based on mean sea level pressure data of dynamically downscaled ERA-20C reanalysis. The downscaling was performed over Europe [including MED-CORDEX (Somot et al. 2018) and EURO-CORDEX (Giorgi et al. 2009)] from 1901 to 2010 with an interactively coupled high-resolution atmosphere-ocean model (COSMO-CLM+NEMO) by Cristina Primo. More details on the data basis can be found in Primo et al. (2019) and Krug et al. (2020). Giorgi, F., Jones, C. & Asrar, G. Addressing climate information needs at the regional level: the CORDEX framework.<em> WMO Bulletin</em> <strong>58</strong>, 175–183 (2009). Hofstätter, M. & Blöschl, G. Vb Cyclones Synchronized With the Arctic-/North Atlantic Oscillation. <em>J. Geophys. Res. Atmos.</em> <strong>124</strong>, 3259–3278 (2019). Krug, A., Primo, C., Fischer, S., Schumann, A. & Ahrens, B. On the temporal variability of widespread rain-on-snow floods. <em>Meteorol. Zeitschrift</em> <strong>29</strong>, 147–163 (2020). Primo, C., Kelemen, F. D., Feldmann, H., Akhtar, N. & Ahrens, B. A regional atmosphere-ocean climate system model (CCLMv5.0clm7-NEMOv3.3-NEMOv3.6) over Europe including three marginal seas: on its stability and performance. <em>Geosci. Model Dev.</em> <strong>12</strong>, 5077–5095 (2019). Somot, S. <em>et al.</em> Editorial for the Med-CORDEX special issue. <em>Clim. Dyn.</em> <strong>51</strong>, 771–777 (2018). doi: 10.1007/s00382-018-4325-x Sprenger, M. <em>et al.</em> Global climatologies of Eulerian and Lagrangian flow features based on ERA-Interim. <em>Bull. Am. Meteorol. Soc.</em> (2017). doi:10.1175/BAMS-D-15-00299.1 Wernli, H. & Schwierz, C. Surface Cyclones in the ERA-40 Dataset (1958–2001). Part I: Novel Identification Method and Global Climatology. <em>J. Atmos. Sci.</em> <strong>63</strong>, 2486–2507 (2006).
本数据集包含两个文件：其一收录了1901年至2010年的全部气旋路径数据，其二仅包含所谓的Vb气旋(Vb-cyclones)数据——此类气旋自地中海向东北方向传播至中欧。 本数据集采用Wernli与Schwierz（2006）以及Sprenger等人（2017）提出的方法识别气旋路径，并遵循Hofstätter与Blöschl（2019）的分类标准，将所有在东经12°至22°区间内穿过北纬47°的气旋路径归类为Vb气旋。 气旋追踪基于动力降尺度后的ERA-20C再分析海平面平均气压数据。本次降尺度工作由Cristina Primo完成，针对1901年至2010年的欧洲区域（包含MED-CORDEX（Somot等人，2018）与EURO-CORDEX（Giorgi等人，2009）），采用交互式耦合的高分辨率大气-海洋模式（COSMO-CLM+NEMO）实现。 关于数据集基础的更多细节可参见Primo等人（2019）与Krug等人（2020）的相关研究。 参考文献： 1. Giorgi, F., Jones, C. & Asrar, G. 应对区域尺度气候信息需求：CORDEX框架. 《世界气象组织公报》(WMO Bulletin) **58**, 175–183 (2009). 2. Hofstätter, M. & Blöschl, G. 与北极/北大西洋涛动同步的Vb气旋. 《地球物理学研究杂志：大气科学卷》(J. Geophys. Res. Atmos.) **124**, 3259–3278 (2019). 3. Krug, A., Primo, C., Fischer, S., Schumann, A. & Ahrens, B. 广布融雪洪水的时间变异性研究. 《气象杂志》(Meteorol. Zeitschrift) **29**, 147–163 (2020). 4. Primo, C., Kelemen, F. D., Feldmann, H., Akhtar, N. & Ahrens, B. 包含三大边缘海的欧洲区域大气-海洋气候系统模式(CCLMv5.0clm7-NEMOv3.3-NEMOv3.6)：稳定性与性能评估. 《地球科学模型开发》(Geosci. Model Dev.) **12**, 5077–5095 (2019). 5. Somot, S. 等. Med-CORDEX专刊社论. 《气候动力学》(Clim. Dyn.) **51**, 771–777 (2018). doi: 10.1007/s00382-018-4325-x 6. Sprenger, M. 等. 基于ERA-Interim的欧拉与拉格朗日流场特征全球气候学数据集. 《美国气象学会公报》(Bull. Am. Meteorol. Soc.) (2017). doi:10.1175/BAMS-D-15-00299.1 7. Wernli, H. & Schwierz, C. ERA-40再分析资料（1958–2001）中的地面气旋：第一部分——新型识别方法与全球气候学. 《大气科学杂志》(J. Atmos. Sci.) **63**, 2486–2507 (2006).
