数据资料

l  北半球环状模(北极涛动)逐日指数 [data]

Zhang R, Tian W, Zhang J, et al. The corresponding tropospheric environments during downward-extending and nondownward-extending events of stratospheric northern annular mode anomalies[J]. Journal of Climate, 2019, 32(6): 1857-1873.

l  北半球极涡偏移指数 [data]

Zhang J, Tian W, Chipperfield M P, et al. Persistent shift of the Arctic polar vortex towards the Eurasian continent in recent decades[J]. Nature Climate Change, 2016, 6(12): 1094.

研究笔记和技术报告

  • CESM模式使用说明[PDF]

常用程序

极涡边界计算程序 Programs for calculating the stratospheric polar vortex edge1

Polar_vortex_edge(PV-theta, U-theta) 

 

Calculating the edge of the stratospheric polar vortex applied to isentropic potential vortex fields and isentropic zonal wind fields.

已知等熵位涡数据PV-theta和等熵纬向风速数据U-theta,计算平流层极涡边界。引自:https://doi.org/10.1029/96JD00066.

极涡偏移指数计算程序 Programs for calculating the stratospheric polar vortex shift index1

Shift_Index(edge,PV-theta) 

 

Calculating the the stratospheric polar vortex shift index applied to the stratospheric polar vortex edge and the isentropic potential vorticity fields.

已知平流层极涡边界edge和等熵位涡数据,计算平流层极涡边界。引自:https://doi.org/10.1038/nclimate3136

对流层阻塞指数计算程序 Programs for calculating the tropospheric blocking index1

Blocking_Index(z) 

 

Calculating the tropospheric blocking index applied to 500-hPa geopotential height fields.

已知对流层中层500-hPa位势高度场z,计算对流层阻塞指数。引自:https://doi.org/10.1175/JCLI-D-12-00032.1

注:带*号表示此程序编写所使用的软件名称。

数值模式