基于耦合热传导-冰流模型的冰川钻孔温度重建的气候反演算法比较
孙欢, 王宁练, 张泉

Comparison of climate inversion algorithms for glacier borehole temperature reconstruction based on coupled heat conduction-ice flow model
Huan SUN, Ninglian WANG, Quan ZHANG
图8 五道梁气象站1959—1998年的年均气温及变化趋势(a),由(a)计算的冰温-深度剖面扰动θ5z(b)以及分别对θ5z添加±0.01 ℃随机扰动前后[(c)和(d)]三种反演算法重建的冰面温度变化
Fig. 8 Annual mean air temperature from 1959 to 1998 collected by the Wudaoliang meteorological station (a), the temperature-depth profile θ5z generated from (a) (b), the inversion results by the input data θ5z with the least square method (blue line), Tikhonov regularization method (red line) and Monte Carlo algorithm (green line) (c), and the inversion results by the input data θ5z with the random errors ±0.01 ℃ (d)