SWAP is one dimensional vertical water salt movement model, and there are different SWAP models in different conditions.
SWAP是垂直一维水盐运移模型。不同的水文地质条件应具有不同的SWAP模型。
Soil hydraulic conductivity is closely related to the movement of water and salts in soil profiles and is highly affected by solution salt concentration and its composition.
水力传导度的变化直接影响土壤剖面的水盐运动，并和土壤溶液的盐分浓度及其组成有很大关系。
Only if we can understand the rules of water and salt movement in the soil, can we control the secondary salinization, and achieve the sustainable development of this area.
最后指出人为经济活动影响的重要性，针对土壤水盐运移的规律，提出控制以及改良次生盐渍土的几条措施。
Based on the abroad collected data and study of soil sampling, the rule of water -salt movement in Songnen Plain and the process of soil Saline -alkali were analyzed fully.
在广泛搜集资料和实地土壤采样调查的基础上，系统分析人为干扰下松嫩平原水盐运动规律及土壤盐渍化过程。
The study of dynamic movement of water and salt in soil nearby campestris reservoirs is significative for regional production in agriculture , both theoretically and practically.
平原水库附近土壤水盐动态变化的研究，对于区域农业生产在理论和实践中都具有重要的意义。
The experiment studied the effects of residue used as surface mulch, mix with soil and a separate horizon in soil profile on soil water and salt movement.
本试验主要研究了作物秸杆表面覆盖、垂直覆盖（混施）和隔层对土壤水盐运动的影响。
Soil type and soil texture and land type affected the movement of water and salt in soil, thereby influenced soil salinization levels.
土壤类型、土壤质地和土地类型以不同的方式影响着土壤水盐运移，对土壤盐渍化水平有一定的指示作用。
As a result of terrain change, the water-salt movement also along with the change, topography reducing, water table elevates, salinity content increase.
由于地形的起伏变化，水盐运动也随着变化，随着地势的降低，地下水位升高，盐分含量增加。
This study offers an effective and feasible method for analyzing soil water-salt movement and is a supplement for the traditional dynamic study of soil water-salt movement.
该研究为分析浅地下水埋深条件下作物生育期内土壤水盐动态规律的分析提供了一种有效可行的方法，是对传统土壤水盐动态研究的补充。
The plants growing on the land surface can be affected by the occurrence and movement of water and salt in the aeration zone.
包气带水分、盐份的分布和运移对地表植被生长有着重要的影响。
With the background of soil salinity in the plain of North China, a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation.
本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和—非饱和水的水—热—盐一维运动模型进行了数值模拟。
LEACHC is the salinity model describing water flow, solute movement and salt accumulation in soil profiles.
LEACHC是描述土壤水分运动、溶质运移和盐分积累的盐度模型。
Through field experiment, the impact of different irrigation order of saline and fresh water on soil water and salt movement were studied.
在田间微咸水灌溉条件下，对不同轮灌次序进行了研究。
In the Experiment of salt water simulation of smoke movement of building fires, there is not a simple and effective method of speed measurement yet.
在建筑火灾烟气运动的盐水模拟实验中，尚无简单易行的速度测量方法。
Space and time change on water-salt movement in saline-alkali soil without irrigation and drainage was studied and analyzed.
研究分析了榆林沙区无排灌条件盐碱地水盐运动的时空变化，其水盐运行主要是随着季节、地形等因素的变化而变化。
By using the method it can be determined whether a clay bed retards the movement of soil water and salt and how large th...
据此可以判断粘土夹层是否阻水阻盐及其阻水阻盐作用效果。
By using the method it can be determined whether a clay bed retards the movement of soil water and salt and how large th...
据此可以判断粘土夹层是否阻水阻盐及其阻水阻盐作用效果。
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