Subsurface flow is the flow of water underground, in the vadose zone and aquifers.
地下水流是水于地下蓄水层或地下水位线以上的空间流动。
Accordingly, a field observation scheme for rainfall, stream flow and subsurface flow is implemented.
设计了相应的野外观测方案，对各径流及降雨量作同步连续观测。
A new device was designed to study root biomass and distribution in the subsurface flow gravel-bed constructed wetland.
设计了一种新方法研究潜流人工湿地植物根系的分布和生物量。
This research applied two-stage inverse vertical subsurface flow constructed wetlands to removal nutrients in wastewater.
采用两级逆向垂直潜流人工湿地去除污水中的营养物质。
The development and decline of subsurface flow in soil changing slope due to rainfall infiltration were studied with numerical analysis.
用数值解析研讨了降雨渗透变化坡面的地下水流的进展和衰退过程。
The subsurface flow system in the karst area is very complex because of the complicate dual processes of conduit and matrix flow in the system.
岩溶地下水系统由于管道流和扩散流同时存在而非常复杂。
Substrate, which not only takes part in the pollutant-removing, but influences the plant growth, plays an important role in subsurface flow wetland.
填料是潜流湿地的重要组成部分，它不但直接参与污染物的去除，而且对植物的生长和生理活动产生重要影响。
Taking Xingqing lake in Xi 'an as study object, the paper studied the purification efficiency of urban lakes in winter by horizontal subsurface flow wetland.
以西安市兴庆湖为研究对象，实验研究冬季水平潜流人工湿地对城市湖泊水体的净化效果。
In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined.
数值计算验算了降雨的方式，斜坡地层的形状以及坡度的变化对地下水位进展和衰退过程的影响。
As a new technology for wastewater treatment, vertical subsurface flow constructed wetland has good practical value and application prospect in town sewage resourcing.
垂直潜流人工湿地是一种新型的污水处理技术，在城镇污水资源化中有良好的实用价值和应用前景。
Based on the regulation mechanism of riverbank, this paper attempts to compose a model on scperation of subsurface flow from outflow hydrograph. And it can be used to calculate …
根据河岸调节机制，本文建立了地下径流分割的数学模型，用以计算洪水过程线上的地下水补给的变化过程。
Experiments of nitrogen and phosphorus removal from rural domestic wastewater in the Taihu Lake basin were carried out by the two-stage subsurface flow constructed wetland process.
采用二级串联潜流式人工湿地系统对太湖地区农村生活污水进行了脱氮除磷的试验研究。
The DO distribution and wastewater treatment effect were compared in traditional wetland and three-segment subsurface flow wetland supplying oxygen by natural or slight-aeration in contact gutters.
比较了传统水平流湿地、三段式自然富氧潜流湿地及三段式微曝气潜流湿地的DO分布及对生活污水的处理效果。
To improve the normal operation reliability of follow-up wetland treatment system, some operation measures for constructing horizontal subsurface flow wetland under low temperature were put forward.
为提高后续湿地处理系统正常运行的可靠性，提出人工湿地在低温环境运行条件下的措施。
For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.
在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。
The more mixing that occurs in the estuary, the greater is the landward flow in the subsurface layer.
在河口湾出现的混合越强烈，次表层向陆地方向的流量就越大。
The above - and below-ground biomass in the subsurface wetland is more than that in surface flow wetland.
潜流湿地的地下生物量和地上生物量均高于表面流湿地。
Hydrologists are often interested in the solution of subsurface-flow problems.
水文工作者很关心地下水流问题的求解。
Hydrocarbon migrates in the buoyancy-driven flow or the seepage flow through the subsurface porous media, but it moves upward in discontinuous phase in the course of buoyant ascent.
虽然油气的浮力流和渗流都是地下多孔介质中的流动，但油气在水中上浮不呈连续相流动。
Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.
地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。
However, when irrigation application decreased by 25% the salt accumulation in root zone will not be obvious and the subsurface drainage flow will decrease by 31.4%.
现状灌溉用水量减少25%时，作物根区没有产生明显的积盐，地下排水量减少31.4%。
The more mixing that occurs in the estuary the greater is the landward flow in the subsurface layer.
在河口湾出现的混合越强烈，次表层向陆地方向的流量就越大。
It is the purpose of this book to describe the elements of subsurface-flow theory.
本书的目的是描述地下水流理论的要点。
At least part sulfur is allowed to flow to the subsurface part with the melting point less than that of the sulfur so that sulfur is solidified to form shielding layer.
和允许至少一些硫朝向比硫的熔点低的地层部分流动以在地层中固化硫从而形成屏蔽层。
At least part sulfur is allowed to flow to the subsurface part with the melting point less than that of the sulfur so that sulfur is solidified to form shielding layer.
和允许至少一些硫朝向比硫的熔点低的地层部分流动以在地层中固化硫从而形成屏蔽层。
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