基于APSIM模型旱地小麦叶面积指数相关参数的优化
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聂志刚,李广,王钧,马维伟,雒翠萍,董莉霞,逯玉兰
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Parameter Optimization for the Simulation of Leaf Area Index of Dryland Wheat with the APSIM Model
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ZhiGang NIE,Guang LI,Jun WANG,WeiWei MA,CuiPing LUO,LiXia DONG,YuLan LU
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表2 APSIM模型旱地小麦叶面积指数相关参数优化比较
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Table 2 Comparison between the SFLA optimized and default values of parameters related todryland wheatleaf area index in the APSIM model
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参数
Parameter | 默认值
Default value | 优化值
Optimized value | 主茎上节出现所需的热时间间隔
The required thermal timeinterval for node appearance on the main stem (°C·d) | 95.0 | 98.5 | | 小麦出苗后初始化的节数The initial node number at emergence | 2.00 | 1.79 | | 小麦出苗后初始化的叶片数The initial leaf number at emergence | 2.00 | 1.66 | | 小麦出苗后初始化的叶面积指数The initial leaf area index at emergence | 0.080 | 0.074 | | 某日正在生长的节数The growing node number | 2.00 | 1.86 | | 最大比叶面积The maximum specific leaf area (mm2·g-1) | 26000 | hSLA(LAId) |
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