入渗

充分供水条件下膜孔入渗的Philip模型

A Philip Model of Film Hole Infiltration under Adequate Water Supply

PAM对一维垂直入渗特征量影响的试验研究

The Experimental Study on the Influences of PAM on One-dimensional Vertical Infiltration

航空摄影可提供有关降水量、蒸发蒸腾量、入渗和径流量的有价值的资料。

Aerial photography can provide valuable information on precipitation , evapotraspiration , interception , and runoff .

PAM对土壤入渗量和抗侵蚀能力的影响用力擦上光剂，使之渗入。

Influence of PAM for soil infiltration capacity and anti-erosion ability Rub the polish well in .

非饱和土壤Richards方程入渗求解探讨

Discussion on unsaturated soil of Richards infiltration equation

Green-Ampt模型与Philip入渗模型的对比分析

Comparison of Green-Ampt Model With Philip Infiltration Model

分析获得了Green-Ampt入渗模型与Philip模型参数间的相关关系表达式。

The fitted functions for the parameters of Green-Ampt model and Philip model were obtained .

在此基础上，采用GM（1，1）灰色动态模型预测西川河流域降雨入渗量随水土流失治理度的变化趋势。

A gray dynamic model is put forward to the infiltration quantity tendency in the Xichuan catchment was predicted by a gray dynamic model , GM ( 1,1 ) .

当垃圾体密度较小时，K值较小，入渗能力较强，可达到较大的入渗深度；

The density of solid wasts is smaller , the K value is smaller , the seepage ability of garbage body is stronger , the seepage can attain bigger depth into the garbage body .

根据水量平衡原理，得到了入渗过程中由非线性衰减阶段开始进入稳渗阶段的时间t1。

By applying the principle of water balance , the time duration for infiltration changing from nonlinear stage into steady infiltration is obtained .

通过室内肥水间歇入渗试验，研究了不同周期停水时间对间歇人渗土壤NO3运移和分布的影响。

This paper analyzes the effect of different intermittent time on the NO3-transport and distribution of intermittent infiltration .

长安黄土岩溶泉是通过缓慢、均匀的入渗补给的，这决定了它比碳酸岩岩溶泉的pH低，电导率大。

The karst springs in the village are recharged by slow and uniform permeation , so the pH values of the karst springs in loess are lower but the conductivities are higher than that in limestone .

聚丙烯酰胺（PAM）是一种新型高效土壤结构改良剂，对适宜的土壤它可抑制土壤表面结皮，增加土壤水分入渗。

PAM is a new and high efficient agent for improving the soil structure . It can control surface crusting of eligible soil and increase infiltration .

Green-Ampt模型入渗率显式近似解研究

Approximate Explicit Solution to Infiltration Rate of Green-Ampt Infiltration Formula

浑水波涌灌溉入渗机制及其Green-Ampt模型

The Green Ampt model and infiltration characteristics of surge flow irrigation for muddy water

选用Horton入渗模型、Philip入渗公式和土壤入渗通用公式分别对四种植被模式的土壤入渗过程进行模拟。

Infiltration process of soil in four vegetation patterns was respectively simulated with Horton model , Philip model and the current formula of soil infiltration .

摘要早鱼旦皿口且口里旦皿胆里旦旦旦旦根据黄土的入渗特点和非饱和土渗流理论，运用Matlab有限元工具箱编制了黄土入渗的平面有限元程序，计算结果符合实际。

Finally , according to the infiltration characteristics of loess and the permeation theory of unsaturated soils , a 2D FE program of loess infiltration was coded by Matlab finite element toolbox , and its numeration results were fit to practice .

PAM作为土壤结构改良剂，具有增强土壤颗粒间凝聚力，维持良好土壤结构，增强土壤入渗性能，增加土壤含水量及抑制土壤水分蒸发等作用。

PAM as a soil conditioner , with enhanced soil particles cohesion , maintain good soil structure , increase soil infiltration properties , increasing soil moisture and reduce soil water evaporation effect .

Guelph入渗仪在测定盐田土壤渗透性上的应用

Application of Guelph Permeameter in Determining the Soil Permeability of Salt Pan

以KNO3为入渗溶液，模拟研究了硝态氮在膜孔灌肥液自由入渗条件下的运移过程。

With solution for irrigation , the transport processes of nitrate nitrogen under film hole free irrigation with fertilizer was studied .

霍顿（Horton）入渗模型和通用经验入渗模型都能较好地反映研究地区各种森林植被的土壤入渗过程，但菲利浦（Philip）模型对入渗过程的拟合效果较差。

Horton infiltration model and common experienced infiltration model both can better reflect the soil infiltration course of each forest vegetation type in research area , but the Philip model is bad relatively .

在受垂向入渗影响及河渠边界控制的半无限含水层中，利用作者已推导出的潜水非稳定渗流模型的新Laplace解，建立不同水文地质条件下的模型参数求解方法。

A new analytic solution of unsteady flow for semi-infinite phreatic aquifer subjected to vertical seepage and bounded by a channel is deduced by applying the Laplace transformation . The methods for estimating the aquifer parameters corresponding to different hydrogeological conditions are proposed .

从流域坡面产流机制出发，依据Horton入渗曲线，建立起一个可适用于不同流域的综合产流模型。

Based on the runoff generation mechanism over slope surface and Horton infiltration curve , a synthetic model of runoff generation had been set up , which can be applied in different valley .

对两种非水相流体（NAPL）（煤油和四氯乙烯）在3种不同质地的黄土性土壤（沙土、黄绵土和土娄土）中的非饱和入渗特征进行了试验研究。

Using the method of horizontal column infiltration , unsaturated liquid infiltration characteristic of two kinds of NAPL ( kerosene and PCE ) in different texture soil were studied .

植被根系提高土壤入渗性能的实质是≤1mm细根能有效地改善土壤性状。

Fine roots (≤ 1 mm in diameter ) played effective roles on the improvement of soil physical and chemical properties , and the increase of soil infiltration capability was closely related to the amount of the fine roots .

考虑到土壤入渗参数f0和Z180之间存在着强烈的互相关性和非常相近的时空变异分布特征，可借助f0的时空变异分布特点达到描述土壤入渗性能、衡量土壤入渗能力的目的。

Because of the strong correlation and similar spatial and temporal variability between f_0 and Z_ ( 180 ), the distribution characteristic of spatial and temporal variability of f_0 can be used to describe the soil infiltration characteristic and weigh the soil infiltration capacity .

该研究假设土壤水力动力特性可用Brooks-Corey模型来描述，结合Darcy定理和质量守恒推导了基于两组负水头下入渗数据来估计Brooks-Corey模型参数的方法。

Taking an assumption that soil hydraulic properties could be described by Brooks-Corey model , the Brooks-Corey model parameters based on soil water infiltration data under two different negative water pressures by combining the Darcy theorem with mass conservation were discussed .

模型改进及系统构建包括：（1）改进SUTRA模型的降水入渗补给、潜水蒸散发消耗和机井抽水量等源汇项计算程序，使之可以有效反映气候变化及地下水开采对海水入侵的影响；

The primary improvement of the model and system development features include : ( 1 ) to modify groundwater source and sink subroutines for computing precipitation recharge , evapotranspiration loss and groundwater withdrawal . This modification enables the model to simulate influences of climate and pumping wells on seawater intrusion ;

因此，本文采用现场亚甲基蓝染色示踪渗透试验法、碘-淀粉可视化方法、理论分析和有限元软件HYDRUS-2D数值模拟分析植被发育斜坡非饱和带土体大孔隙对降雨入渗的影响研究。

The effects of macropores on rainfall infiltration in vadose zone soils of well vegetated slope are studied by methylene blue dye tracer infiltration experiment , iodine-starch visual method , theoretical analysis and HYDRUS-2D finite element software numerical simulation method .

畦灌土壤入渗参数估算的线性回归法

Linear regression approach for estimating soil infiltration parameters of border irrigation