不同精度的土壤数据对水质和水量模拟的影响
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李影,雷秋良,秦丽欢,朱阿兴,李晓虹,翟丽梅,王洪媛,武淑霞,闫铁柱,李文超,胡万里,任天志,刘宏斌
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Impact of Soil Data with Different Precision on Water Quality and Flow Simulation
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LI Ying,LEI QiuLiang,QIN LiHuan,ZHU AXing,LI XiaoHong,ZHAI LiMei,WANG HongYuan,WU ShuXia,YAN TieZhu,LI WenChao,HU WanLi,REN TianZhi,LIU HongBin
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表6 选取的河道过程参数及其初始阈值
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Table 6 Channel processes parameters and their initial ranges
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参数 Parameter | 参数说明 Parameter description | 初始阈值 Initial threshold | V_SPCON.bsn | 最大泥沙量的线性参数 Linear parameter for calculating the maximum amount of sediment | 0.0001 | 0.01 | V_SPEXP.bsn | 最大泥沙量的指数参数 Exponent parameter for calculating sediment restrained in channel sediment routing | 1 | 2 | V_CH_K2.rte | 主河道冲积物的有效渗透系数 Effective hydraulic conductivity in main channel alluvium | -0.01 | 500 | V_CH_COV1.rte | 河道侵蚀因子 Channel erodibility factor | -0.05 | 0.6 | V_CH_COV2.rte | 河道覆盖因子 Channel cover factor | -0.001 | 1 | V_ALPHA_BNK.rte | 河岸调蓄的基流α因子 Baseflow alpha factor for bank storage | 0 | 1 |
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