Record of Drought and FloodSeries by Tree-Ring Data in the Middle Section of Qilian Mountain Since 904 A. D.
祁连山中部公元904年以来树木年轮记录的旱涝变化。
2
The informative fractal dimension and its moving change may become a practical analytical index for the change of floodseries and the climatic levels.
信息分维及其变化有望成为时间序列变化趋势和气候层次的诊断指标。
3
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into floodseries.