咸水草是感潮河段咸淡水指标种。
Cyperus malaccensis is the indicator for tidal river freshwater species.
研究长江感潮河段推移质输移规律和沿程分布规律。
Rule of bed load transport in tidal reach of the Yangtze river and distributing rule along the river are studied.
基于感潮河网水质模型，完善了其水环境容量的计算方法。
Based on the water quality model for tidal river network, the computational method of aquatic environmental capacity was improved.
浙江省的感潮河口水闸众多，其闸下软基防冲是众人最关心的问题。
There are many sluices built in tidal estuary, Zhejiang province, in which an important problem is scour protection for soft foundation of sluice downstream.
论文首先阐述了感潮河段水文现象的特点、水文设计值的研究现状。
At first, the hydrologic characteristics of the tidal reach and the current situation of design value research are elaborated.
通澄河段是长江下游感潮河段，沿江抽、引水频繁，对潮区界和潮流界都有影响。
The Tong Cheng Reach is the lower part of the Yangtze River, where the water abstraction is active and gives impact both on the location of the tidal limit and on that of the tidal current limit.
第二部分在理想河口研究的基础上，对长江下游感潮河段进行了水动力数值模拟。
Based on the study of ideal estuary, this article has studied the tidal limit and tidal current limit of Yangtze estuary by using the 2-d numerical model.
通过对某一感潮河流实际计算应用，表明这一新的计算方法在理论上与实践上是可行的。
By application to a certain tidal river showed that the computational method both in theory and practice were feasible.
进一步建立水动力模型和水质模型的耦合，使之可以应用于闸控感潮河网水环境的模拟。
Further, a coupling model of hydrodynamic model and water quality model was developed and it can be applied to simulate the water environment of a tidal river network controlled by gates.
通过对某一感潮河流实际计算应用，表明这一新的计算方法在理论上与实践上是可行的。
By application to a certain tidal river showed that the computational method both in theory and practice...
而河床地形变化引起的三角洲河网区潮汐动力增强，则是感潮河段低水位上升的主要原因。
The strengthening of the tidal power caused by the significant topographic change is responsible for the rise of the low water levels in the tidal reach.
应用谱分析对长江下游和西江下游感潮河段水文序列进行了周期识别，获得了可信的隐含周期。
The cryptic period of the hydrologic time series of tidal reaches of the Yangtze River and Xijiang River are analyzed with the applying of spectral analysis and the result is reasonable.
作为实例，对广东鉴江非感潮河流，选取河宽为最重要因素来表征河流大小，求其不均匀系数。
As an example, the asymmetrical coefficient of the non tidal Jianjiang River is resolved under the condition that the river width is chosen as the most important factor to signify the river size.
针对感潮河段潮位序列的不一致现象，提出了一种通过提取序列趋势项进行资料一致性修正的方法。
Considering the inconsistency of level data in tidal reach, a method correcting the data by drawing the trend equation from its time series was proposed.
研究结果表明，感潮河段设计通航水位方法的选取以及所需样本年限的长短与其距河口的距离有密切关系。
It is indicated that the distance from the tidal reach to the estuary should be highly concerned in determination of data age and selection of methods for navigable stage design.
分析了感潮河口城市化地区的洪涝特性及形成机制，归纳了这类地区城市防洪中面临的任务及存在的问题。
The paper has studied the characteristic and reason for flood in cities in tidal river area, and then has summed up the assignments faced with and existent problems in the area.
分析了长江下游感潮河段大洪水和特大洪水高水位形成的水文因素，揭示了年最高水位今后一段时期内可能的变化趋势。
Hydrological factors of formation of large flood in the lower tidal reach of the Yangtze River are analyzed, and change trend of large flood is revealed.
感潮河段因受上游径流和下游潮汐的双重影响，航道设计通航水位确定方法和标准需考虑两方面的因素，目前尚无定论。
Because of complex influence of runoff and tide in tidal reaches, how to make decision method and standard of designed navigable stage have not been known up to now.
介绍了感潮河道水环境容量理论及计算的研究现状，分析了存在的主要问题，提出了开展闽江下游河道水环境容量研究的初步设想。
Introduces briefly the current situation of the research on the numerical simulation of water environmental capacity in tidal river and analyzes the main problems to be overcome.
介绍了感潮河道水环境容量理论及计算的研究现状，分析了存在的主要问题，提出了开展闽江下游河道水环境容量研究的初步设想。
Introduces briefly the current situation of the research on the numerical simulation of water environmental capacity in tidal river and analyzes the main problems to be overcome.
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