If the former are greater, the lake is a surface-water-dominated lake; if the latter, it is a seepage-dominated lake.
如果前者较大，这个湖就是一个以表层水为主的湖泊；如果是后者，则是一个以渗漏为主的湖泊。
Water covers a large proportion of the earth's surface.
水覆盖了地球表面的大部分。
70% of our globe's surface is water.
我们地球表面的70%是水。
As the water evaporates, a crust of salt is left on the surface of the soil.
水蒸发后，土壤表面留下一层盐。
He dived below the surface of the water.
他潜入了水中。
Recently, researchers have used data collected by monitoring surface water temperatures to improve the ability of a reef to recover from bleaching.
最近，研究人员通过监测表面水温获得数据，并用此数据来提升珊瑚礁从漂白状态中恢复的能力。
Hundreds of dead fish can be seen on the surface of the water because of water pollution.
由于水污染，我们可以在河面上看到数以百计的死鱼。
These plants float on the surface of the water.
这些植物漂浮在水面上。
Spray rose up from the surface of the water.
水花从水面上溅起来。
He came to the surface of the water gasping for air.
他浮出水面急促地喘着气。
The vadose zone supplies plant roots near the surface with water.
包气带为地表附近的植物根系提供水分。
Within about a millimeter of the water, air temperature is close to that of the surface water, and the air is nearly saturated with water vapor.
在离水不到一毫米的地方，空气的温度接近于地表水的温度，空气中的水蒸气几乎饱和了。
Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.
由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。
Conversely, a pond with a stream flowing in one end and out the other, which dries up when the stream dries up, is clearly surface water dominated.
相反，有径流从两端流进流出的池塘，在径流枯竭的时候也会干涸，地表水就明显占据主导地位。
And, since they were created underground and not from flowing surface water, not all these passageways have an opening to the outside world.
并且，由于它们是在地下形成的，而不是由地表水流形成，所以并不是所有的通道都有通向外部世界的开口。
The impact of rainfall upon the surface water and groundwater resources of the desert is greatly influenced by landforms.
降雨对于沙漠地表水和地下水资源的影响很大程度上取决于地形。
Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid, but carbonic acid that helps dissolve the rock.
另外，在地表水中存在一种弱酸，它是碳酸，而不是硫酸，而且是能帮助溶解岩石的碳酸。
The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.
后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。
If you swim in a river or lake, be sure to investigate what is below the water surface.
如果你在河里或者湖里游泳，一定要弄清楚水面下有什么。
Nearly three quarters of the earth's surface is covered by water.
地球表面近四分之三被水覆盖。
The Arctic mammals, known as "sea unicorns" thanks to their single long tusks, also transmitted measurements for the winter layer of surface water that shields sea ice from the warmer waters below.
这种因为长着一根长牙而被称为“海洋独角兽”的北冰洋哺乳动物，同时还传输冬季海水表面的温度，这层海水将海面冰层和下面温暖的海水隔离开来。
So there must be surface water too — even if it is loaded with arsenic.
所以必须表面也有水——即使它里面装满了砷。
The new study presents a third way to detect tsunamis — by changes in the texture of the surface water across a wide span of the open ocean.
高丁所取得的成果则为探测海啸提供了第三种办法，即在开阔海面上探测海啸引起的海水表面布局的变化情况。
Arranged in barrels of concrete or plastic, these biosand water filtration systems (BSFs) remove 95 to 99 percent of the bacteria, viruses, worms and particles contained in rain or surface water.
通过混凝土桶和塑料桶的处理，生物沙子饮用水过滤系统可以净化95％到99％的细菌、病毒、蠕虫、雨水或者地表水污染颗粒。
The storms simply couldn't continue on without warm surface water to sustain them.
暴风雨没有温暖的表层海水，根本难以持续。
With no surface water, few aquifers, and little rainfall, the city used desalinization plants to convert ocean water to freshwater, ornamenting the city with golf courses, gardens, and palm trees.
由于表面缺少淡水、地下含水很少以及降雨量稀少，迪拜用有脱盐作用的植物把海水转化为淡水。高尔夫球场、各种园林和高大的棕榈树点缀着整个城市。
By clarifying the waters in the gyres, the team robbed the gyres' shallowest waters of heat-a crucial change, since warm surface water is fuel for strong tropical cyclones.
研究小组借由环流水域的澄清，去除了环流最浅水域的热含量——这是至关重要的改变，因为温暖的海水表面，是强热带气旋的动力来源。
These sources of water normally have much higher concentrations of radon than surface water from rivers, lakes and streams.
这些水源通常比河流、湖泊和小溪的地表水具有高得多的氡浓度。
That means the drug-tainted wastewater can enter groundwater and surface water, which are collectively the major sources of drinking water for most people.
这就意味着这些被药物污染的废水会进入地表水和地下水，而这正是大部分人饮用水的水源。
That means the drug-tainted wastewater can enter groundwater and surface water, which are collectively the major sources of drinking water for most people.
这就意味着这些被药物污染的废水会进入地表水和地下水，而这正是大部分人饮用水的水源。
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