CLM5. 0对阿拉斯加多年冻土区土壤温度和碳循环模拟的适用性评估

闫旭春, 吴晓东, 吕雅琼, 吴通华, 李韧, 胡国杰, 邹德富, 刘亚东, 魏献花, 范晓英, 王栋

Applicability evaluation of CLM5. 0 in simulating soil temperature and carbon cycle in Alaskan permafrost region

Xuchun YAN, Xiaodong WU, Yaqiong LÜ, Tonghua WU, Ren LI, Guojie HU, Defu ZOU, Yadong LIU, Xianhua WEI, Xiaoying FAN, Dong WANG

表4 各站点日尺度模拟GPP与NEE的评价指标

Table 4 Evaluation indexes of simulated GPP and NEE （net ecosystem exchange） on daily time scale at the observation sites

站点 模拟对象 R2 RMSE/（gC·m-2·d-1） MAE/（gC·m-2·d-1） MBE/（gC·m-2·d-1） US_Atq GPP 0.643 1.945 0.881 0.532 NEE 0.253 1.009 0.627 0.040 US_Prr GPP 0.605 1.649 0.944 0.529 NEE 0.145 1.474 0.900 0.747 US_Ivo GPP 0.510 2.614 1.246 0.956 NEE 0.186 1.221 0.708 0.040