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1)  initial soil deficit
初始土壤缺水量
2)  soil antecedent water content
土壤初始含水量
1.
According to the results of simulation rainfall experiments,the transport traits of soil water on loess slope lands with different soil antecedent water content,1.
结果表明随着土壤初始含水量的增加,坡面产流开始时间提前,坡地平均径流系数和径流量呈线性增加趋势;坡面径流含沙量与土壤初始含水量呈抛物线关系,在9。
2.
According to the results of indoor simulation rainfall experiments,the transport traits of soil PO3-4,K+ and Br-on loess slope lands with different soil antecedent water content,1.
结果表明溶质流失量和流失率均随土壤初始含水量的增加而增加,径流中溶质平均浓度与前期含水量呈抛物线关系,1。
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3)  initial soil moisture
初始土壤含水量
1.
It shows that the ponding time in rainfall-infiltration events are closely related with rainfall rate and initial soil moisture in above 5cm soil layer.
实验表明,积水发生时间与雨强和表层5 cm初始土壤含水量密切相关;前期累积入渗量越大,则土壤表面越容易发生积水;间歇入渗过程中,入渗还受间歇时间的影响,相邻入渗事件积水发生时间有提前的趋势,初始事件入渗速度较后续入渗大一个数量级;湿润锋运行速度存在明显的波动,在经历间歇期再分布后,湿润锋运动存在滞后效应,且波动作用较初始入渗更加显著。
4)  the initial applicable water content
土壤初始有效含水量
1.
It is found that the water content and applicable water content were all relative to the dry biomass of crop and the initial applicable water content after the field trial with varied treatments, and the models on relation of water content (or applicable water content) to dry biomass of crop and the initial applicable water content were founded.
不同播期谷子田间试验表明,土壤储水量及土壤有效储水量均与作物生物量及土壤初始有效含水量有关,并建立了土壤储水量及土壤有效储水量与作物生物量及土壤初始有效含水量关系的数学模型;此外在考虑能量因子的情况下,建立了土壤储水量及土壤有效储水量与作物生物量、土壤初始有效含水量及温度关系的数学模型。
5)  initial water content
土壤初始含水率
1.
The effects of initial water content on soil water-transport of line source permeation under subsurface drip irrigation(SDI) is analyzed by indoor experiment.
通过室内试验,分析了4种土壤初始含水率对地下滴灌线源入渗土壤水分运动规律的影响,结果表明,随着初始含水率的增大,湿润锋向下运移的速度变大,向上和水平方向运移的速度均减小,且滴头下方的土壤含水率相对较高;水平方向在滴头左右相同位置处的土壤含水率基本相同,呈左右对称分布。
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6)  soil moisture deficiency
土壤缺水量
1.
This drought model is introduced with precipitation,evaporation as input and with soil moisture deficiency Ps as output,which can express drought clearly.
本模型以降水、蒸发为输入，以土壤缺水量Ｐｓ为输出，Ｐｓ可较清楚地表述干旱。
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