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.
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.
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.
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.
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.
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