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1961—2019年三江源地区季节冻土冻融状态时空变化及影响因素研究
梁奔奔1,2(), 李晓东1,2(), 张东1,2, 申燕玲1,2
Study on spatiotemporal changes of the freeze-thaw status of seasonally frozen ground and influencing factors in the Three Rivers Source Region from 1961 to 2019
Benben LIANG1,2(), Xiaodong LI1,2(), Dong ZHANG1,2, Yanling SHEN1,2

图4. 1961—2019年三江源地区季节冻土最大冻结深度(a)及变化率(b)空间分布[图(a)中蓝点表示各站点季节冻土最大冻结深度,图(b)中红点表示季节冻土最大冻结深度增大,蓝点表示减小,五角星表示未通过P<0.05的显著性检验]

Fig. 4. The long-term average (a) and trend (b) spatial distribution of maximum freeze depth in the Three Rivers Source Region from 1961 to 2019 [Blue circles reflect maximum freeze depth (a), blue circles indicate maximum freeze depth is decreasing, red circles indicate maximum freeze depth is increasing and five-pointed star indicate no significant change (P<0.05) (b)]