然后利用地下水动力学法、地下水径流模数法对隧道开挖涌水量进行了预测。
Then water inflow in tunnel is forecasted using groundwater dynamics and groundwater modulus of runoff.
其钠离子的超出部分可能是因为地下水补给源的背景值较高以及硫酸钠蒸发沉积物在地下水径流过程中的溶解。
The excess of sodium are probably caused by the high background value of recharging source and the dissolution of vaporous deposition of sodium-sulphate in the aquifer.
分析了气候变化、地下水超采、地表径流及粮食产量变化等方面对水资源的影响。
The impacts of climate change, groundwater overdraft, surface runoff and food production changes on water resources are analyzed.
水均衡分析法原理是根据岩溶系统径流反推补给面积,进而确定地下水分水岭的位置。
The principle for water balance analysis is to reversely derive the area of water supply according to runoff amount in the karst system, further to determine the position of the groundwater divide.
通过向斜核部地表、隧道内涌水点的水质分析,对隧道上方向斜地面地下水的径流模式进行了初步探讨,明确了在向斜核部、隧道上方的地层中存在着一条地下暗河或岩溶系统。
By means of the analysis of the quality of the surface water and ground water in the syncline core above the tunnel, the flow modes of the surface water and ground water in the syncline are discussed.
雨水利用具有节约水资源、减缓洪涝灾害、补充地下水、控制径流污染和改善城市生态环境等作用。
Rainwater utilization has the functions of saving water resources, alleviating flood disaster, supplementing the groundwater, controlling runoff pollution and improving urban ecological environment.
由于荒漠盆地平原系统不产生径流,因此,地表水、浅层地下水和泉水、湖泊都必然地以相邻的山地系统为供给水源地。
The adjacent mountain systems are the water source areas of all the streams, shallow groundwater, springs, and lakes because runoff does not occur in the desert basin and plain systems.
全市的水资源总量、地下水、河川径流量呈减少趋势,与降水的变化具有明显的一致性。
Water resources total quantity, underground water and runoff of river assumes the reduced tendency, has the obvious uniformity with the precipitation change.
由于荒漠盆地平原系统不产生径流,因此,地表水、浅层地下水和泉水、湖泊都必然地以相邻的山地系统为供给水源地。
The adjacent mountain systems are the water source areas of all the streams, shallow groundwater, springs, and lakes because runoff formation does not occur in the desert basin and plain systems.
阿特拉津具有土壤淋溶性,易被雨水、灌溉水等淋溶至较深层土,或是随地表径流进入地表水和地下水中。
Atrazine has a good solubility in soil, so it easily migrates to deep layer or transported to the surface water or groundwater by the river.
在地下水强径流带,塌陷分布较为密集。
Collapse distribution centres on the intensive runoff zones.
洪水的涨落不仅引起河岸附近地下水蓄水量的增减,同时也制约着地下径流过程的变化。
Rising and falling of flood water level not only leads to the increase and decrease of underground water near the bank, but also restricts the change of runoff outflow routing.
降水和地表径流的减少以及地下水的严重超采是引起地下水位下降的主要原因。
The decrease of precipitation and surface water and over-exploitation are the main reasons that result in groundwater level decline.
封冻期径流成分按补给来源分主要以地下水补给为主。
Based on the supplying resources, ground water was considered as the primary resource to the main runoff in the freezing period.
新疆百重7井区为新疆百口泉地下水源的汇集径流区,是克拉玛依市生活生产用水水源之一。
Xinjiang Baizhong 7well area is the area of groundwater collect of Xinjiang Baikouquan. It is one of the domestic water and production water supply of Karamay.
通过建立地下水流模拟模型,对傍河开采给黄河下游地下水循环、侧渗量及径流量带来的影响进行了分析。
It analyzes the influence of exploitation near the river to the phreatic cycle, lateral seepage and run-off amount of the lower Yellow river through establishing an under-flowing simulation model.
不同季节高原高山冰雪的溶融,可以明显地影响地表径流和浅层地下水的同位素组成及氘过量参数的变化。
The ice and snow melt of different seasons in high mountains can obviously affect the variation in isotope composition and deuterium excess parameters of surface flow and shallow groundwater.
河水基流量是地下水资源量,应从地表水径流量中扣除。
The base discharge of river is a type of amount of ground water resource which should be deducted from surface water discharge.
通过对沥鼻峡背斜地层含水性、隔水性、地下水流向及其水化学特征的研究,得出了该区地下水的径流特征及其水力联系,并据此研究了该区水文地质对煤层气富集的控制规律。
The drain character and hydraulic linking are studied by analyzing the property of water-bearing and water-resisting, groundwater flowing and hydrochemistry character in Libi Gorge anticline.
试验结果表明,采用透水铺盖面及渗透式雨水管道系统,对削减径流、补充地下水源有显著效果。
The results indicate that the perforated pavement and perforated rainwater drainage pipe system reduce run off and replenish underground water remarkably.
坡度因素代表了土壤的持水能力,对径流和地下水有影响;
Slope would change water storage capacity. Distance is used to represent the water utilization capacity.
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。
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。
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 …
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