积雪对祁连山区黑河上游活动层热状态的影响研究
张凤,范成彦,牟翠翠,孙文,彭小清,张廷军

Influences of snow cover on the thermal state of the active layer in the upper reaches of the Heihe River in the Qilian Mountains
Feng ZHANG,Chengyan FAN,Cuicui MU,Wen SUN,Xiaoqing PENG,Tingjun ZHANG
表5 PT1和EB监测场融化期与冻结期划分及对应融化期与冻结期内平均温度
Table 5 Freezing/thawing periods and soil temperature during these periods at PT1 and EB sites
站点融化期冻结期融化期平均温度/℃冻结期平均温度/℃
PT12013-04-18/2013-10-092013-10-10/2014-05-051.11-5.07
2014-05-06/2014-10-222014-10-23/Ad1.34
Ad/2015-10-142015-10-15/2016-05-17-4.72
2016-05-18/AdAd
Ad/2017-10-202017-10-21/2018-05-12-4.68
2018-05-13/2018-10-142018-10-15/Ad2.32
EBAd/2012-10-232012-10-24/2013-05-05-3.72
2013-05-06/2013-10-252013-10-26/Ad2.74
Ad/2014-11-022014-11-03/Ad
Ad/2015-11-102015-11-11/2016-04-30-4.21
2016-05-01/2016-11-022016-11-03/2017-05-102.10-3.19
2017-05-11/2017-10-292017-10-30/2018-05-072.05-3.70
2018-05-08/2018-10-232018-10-23/Ad2.11