Journal of Glaciology and Geocryology

Study of the risk evaluation of snow disaster in pastoral areas of Xilingol League， Inner Mongolia

Delegerima, Yiping LI, Xuefeng MENG, Ying TIAN, Yanxia JI, Morgen ZHANG

Journal of Glaciology and Geocryology, 2020, 42(4): 1353-1362. DOI: 10.7522/j.issn.1000-0240.2019.0089

雪灾综合指数	积雪掩埋牧草高度比	最大积雪深度	最大风速	平均最大风速	月最低温度	最低温度月平均值	最高温度月平均值	月降水量	牧草生长期降水量
0.887^**	0.523^**	0.52^**	-0.164*	-0.074	-0.413**	-0.254**	-0.363**	0.346^**	0.125

雪灾综合

指数

积雪掩埋牧草高度比

最大积雪

深度

最大风速

平均最大

风速

月最低温度

最低温度月平均值

最高温度月平均值

月降

水量

牧草生长

期降水量

0.887^**

0.523^**

0.52^**

-0.164*

-0.074

-0.413**

-0.254**

-0.363**

0.346^**

0.125

Table 1 Correlation coefficients between white dzud and various meteorological factors

Other figure/table from this article

Fig.1 The slope normalization map of Xiligol League
Table 2 Cataclysm weight （W_θ ）changing with slopes
Fig.2 Vegetation coverage of Xilingol League in November， 2009
Table 3 Weights of risk assessment indexes on white dzud
Fig.3 The training sample prediction results， showing that the trained neural network can get very good prediction results on the training data set
Fig.4 Comparison of snow hazard grade determined by the disaster losses and calculated by the BP method
Fig.5 The absolute error between BP prediction result and disaster grade determined by disaster losses
Table 4 The five disaster grades and disaster degree
Fig.6 Maps showing the snow disaster risk classification in Xilingol League in Nov. 1985 （a）， Feb. 1986 （b）， Feb. 2000 （c） and Nov. 1992 （d）