砂姜黑土区有无作物生长潜水蒸发规律模拟实验
摘要
利用五道沟水文实验站大型原状土地中蒸渗仪1991—2015年历年观测资料,分析对砂姜黑土区有无作物生长条件下潜水蒸发年内随时间和埋深变化的过程线,对砂姜黑土区裸地和小麦潜水蒸发量进行拟合。结果表明,裸地采用指数函数形式拟合最好,小麦返青前采用逆函数形式拟合最好;返青后采用对数函数形式拟合最好。考虑到裸地潜水蒸发的拟合优度不是特别高,于是对裸地潜水蒸发系数进行曲线拟合,裸地潜水蒸发系数用指数曲线形式拟合的R2大于0.8,效果较好。
引文
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[3]Babajimopoulos C,Panoras A,Georgoussis H,et al.Contributionto irrigation from shallow water table under field conditions[J].Agricultural Water Management,2007,92(3):205-210.
[4]Yeh P J-f,Famiglietti J S.Regional groundwater evapotranspira-tion in Illinois[J]. Journal of Hydrometeorology,2009,10(2):464-478.
[5]王振龙,刘淼,李瑞.淮北平原有无作物生长条件下潜水蒸发规律试验[J].农业工程学报,2009,25(6):26-32.
[6]朱秀珍,崔远来,李远华,等.豫东平原潜水蒸发试验研究[J].中国农村水利水电,2002(3):1-8.
[7]孙明,薛明霞,王立琴.潜水蒸发与埋深关系模型研究[J].山西水利科技,2003(3):16-18.
[8]赵成义,胡顺军,刘国庆,等.潜水蒸发经验公式分段拟合研究[J].水土保持学报,2000(S1):122-126.
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[10]Tanji K K,Kielen N C. Agricultural drainage water manage-ment in arid and semi-arid areas[M].Fao Irrigation&Drain-age Paper,2002.