Increasing of water and decreasing of gradient of channels, the flood water level rose abnormally in some local sections of river.
来水量增多而河道比降变小,造成局部洪峰水位异常壅高。
In the 1990s, the flood water level was lower than before at most stations in the river network of the Pearl river delta under the same grade of runoff.
90年代以来,珠江三角洲网河区大部分水位站同级流量的洪水位普遍下降的同时,局部河段洪水位却异常壅高。
Then, the distribution parameters of the probability model are amended using the small sample of the measured highest flood water level of last 10 years.
再利用后10年的实测最高洪水位的小样本,对模型的分布参数进行了修正。
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.
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。
With the water level now gradually receding, Chen and his 20 comrades are lodged in villages near the flood zone.
如今,洪水正慢慢褪去,陈夏勇和20位战友还住在洪灾区附近的老乡家里。
South Africa raised the flood-warning level for its central Orange River area today as water levels in places were expected to reach the highest since 1996.
南非提高了洪水警报级别,奥兰治河水位已经达到了自1996年已来的最高位。
For effective drainage therefore, the entire site should be located above flood level at a minimum of 3 m above the water table, preferably on a gently sloping area.
因此需要注意,为了保证有效的排水,整个地点应当高过洪水水位、高于地下水位至少3米,最好是在地势略微倾斜的地区。
In this paper, it was analyzed and discussed the fuzzy set analysis method used to calculate stage and limiting water level at each stage in flood-peroid.
本文用模糊集合分析法对陆浑水库的汛期分期及各分期的限制水位推求进行了分析和探讨。
Combined with precipitaton forecast and flood forecast, the upper bound ofdynamic control on limit water level of Huanren Reservoir in flood season was determined.
在此基础上,联合降雨预报和洪水预报确定了桓仁水库动态控制汛限水位的上限。
To retain intimacy with the water, the lowest floor level is set 900mm above regional flood level.
为了保持与水的亲密关系,餐厅的最低一层设置在距离该地区洪水水位线仅仅900毫米以上的位置。
Because of water level limitation, the Jinghong reservoir has to be operated at a low level during a perennial flood period.
由于受水位限制,景洪水电站在常年洪水时,水库必须在低水位运行。
It is an important content to calculate water level for ice hydraulics and ice hydrology and it has important effected on preventing and forecasting ice flood and bed evolution.
冰期水位计算是冰水力学、冰水文学的重要内容,对于防治、预报凌汛乃至研究冰期河床演变均具有重要的作用。
If the flood level reaches a level higher than the bottom edge of the car door, the flood water may get into the car engine compartment.
如果洪水水平达到一个水平高于底部的边缘,车门,洪水水可能进入汽车发动机舱。
Since Gongzui Hydropower Station put into operation, the tail water level always threaten the flood control safety against pow er-house (in di cating powerhouse on the ground).
龚嘴水电站自运行以来,尾水位的抬高一直威胁着厂房(指地面厂房)的消防安全。
The increase of flood storage capacity is a benefit to reduce the water level in Luoshan reach, but will intensify the flood disaster in Dongting Lake.
上述调蓄量的增大,对降低长江中游河段水位起到积极的作用,但同时加重了湖区的防洪压力。
The flood combination of Dongting Lake′s outflow and Yangtze River main stream′s inflow affect heavily the water level of Chenglingji cross-section.
洞庭湖出流与长江干流来水流量的不同遭遇对城陵矶断面水位的影响非常显著。
According to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level.
根据极限风险率定义,详细叙述了不同极限风险指标时、不同汛期限制水位下起调,水库所能承受的极限风险率计算方法。
Then on the basis of summarizing the researches on waterpower utilization rate, a duble objective optimization model for increasing flood limit water level in stages is presented.
在国内外有关提高水能利用率方法研究的基础上,首次提出了“双目标分期抬高汛限水位优选模型”。
Water level difference crossing Lianhuatang section reduced by circulation flow is one of the most important problem in flood control.
弯道环流形成的城陵矶河段莲花塘断面横向水位落差是防洪中非常关心的问题之一。
The mud blocked the front of the entrance piece by piece, and we can still see the trace of water level that the flood left on the wall.
泥巴一坨一陀的堵住了大门,我们还可以很明显地看到遗留在墙上的水位痕迹。
The flood forecast programme for the China Russia boundary river Wusuli river has been draw up according to the corresponding water level (flow) theory.
根据相应水位(流量)理论编制了中俄界河乌苏里江洪水预报方案。
The research shows that Dongting Lake is still subsiding at the level both below water and above flood, and the velocity of the crust Subsidence all exceeds that of bedload's filling up.
研究表明,洞庭湖仍处于不断沉降中,在平水位以下或洪水位以上,地壳沉降速率均大于泥沙淤积速率。
At last, river water level in different plan condition is calculated integrating the method of city runoff and river network hydraulics, to provide technical supports for flood-prevention projects.
进而将城市产汇流方法和河网水动力学方法相耦合,计算出在不同规划条件下的河网洪水位,以此为防洪规划工程提供技术支持。
Ice jam flood: a lot of frazil ices and crushed ices gather under the covering ice, causing heading up of water level of upper reach.
冰塞洪水,大量冰花与碎冰在盖面冰下集聚,造成上游水位显著壅高的现象。
Since the flood season came, he goes to the reservoir to measure the water level every day.
入汛以来,他每天都要去水库测量水位情况。
Based on the theory and method of mixed regressive model, the statistical correlative forecasting model of the DongShan's water level is got, it is the key level of controlling flood.
基于混合回归模型理论和方法建立了流域防洪重点控制站东山站水位统计相关预报模型。
The research on flood season staging is the foundation of scheduling control on dynamic flood limit water level of power stations and reservoirs.
汛期分期研究是实现电站、水库动态汛限水位调度控制的基础。
Flood control limited level (FCLL) is a key water level in reservoir's operation.
设计汛限水位是水库运行的重要特征水位。
Flood control limited level (FCLL) is a key water level in reservoir's operation.
设计汛限水位是水库运行的重要特征水位。
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