Biome-BGC模型模拟阔叶红松林碳水通量的参数敏感性检验和不确定性分析

李旭华,孙建新

Testing parameter sensitivities and uncertainty analysis of Biome-BGC model in simulating carbon and water fluxes in broadleaved-Korean pine forests

LI Xu-Hua,SUN Osbert Jianxin

表2 参与敏感性分析的红松和阔叶树生理生态参数的取值范围

Table 2 Value range of the crucial ecophysiological parameters of Korean pine and broadleaved species used in sensitivity analysis

参数符号 Parameter symbol 红松取值范围 Value range of Korean pine 阔叶树取值范围 Value range of broadleaved species 单位 Unit LFRT [0.256, 0.384] a-1 LWT [0.56, 0.84] [0.56, 0.84] a-1 WPM [0.0072, 0.0108] [0.017, 0.0256] a-1 FRC:LC [0.96, 1.44] [0.72, 1.08] - SC:LC [1.12, 1.68] [1.92, 2.88] - LWC:TWC [0.303, 0.455] [0.08, 0.12] - CRC:SC [0.232, 0.348] [0.184, 0.276] - CGP [0.4, 0.6] [0.4, 0.6] - C:Nleaf [27.44, 41.16] [14.04, 21.06] kg·kg-1 C:Nlitter [77.2, 115.8] [32.88, 49.32] kg·kg-1 C:Nfr [45.12, 67.68] [37.92, 56.88] kg·kg-1 C:Nlw [77.92, 116.88] [77.64, 116.46] kg·kg-1 C:Ndw [318.4, 477.6] [169.6, 254.4] kg·kg-1 Lcel [0.2, 0.3] [0.176, 0.264] - Llig [0.24, 0.36] [0.2, 0.3] - FRcel [0.352, 0.528] [0.36, 0.54] - FRlig [0.176, 0.264] [0.2, 0.3] - DWlig [0.216, 0.324] [0.192, 0.288] - Wint [0.036, 0.054] [0.0264, 0.0396] LAI-1·d-1 k [0.4, 0.6] [0.464, 0.696] - LAIall:proj [2.08, 3.12] [1.6, 2.4] - SLA [13.12, 19.68] [43.36, 65.04] m2·kg-1 SLAshd:sun [1.6, 2.4] [1.6, 2.4] - FLNR [0.064, 0.096] [0.06, 0.09] - Gsmax [0.0048, 0.0072] [0.0052, 0.0078] m·s-1 Gcut [0.000048, 0.000072] [0.000008, 0.000012] m·s-1 Gbl [0.072, 0.108] [0.008, 0.012] m·s-1 LWPi [-0.78, -0.52] [-0.408, -0.272] MPa LWPf [-3, -2] [-2.64, -1.76] MPa VPDi [488, 732] [880, 1320] Pa VPDf [2480, 3720] [2880, 4320] Pa