| 1. | Influence of upstream discharge in tidal level prediction for tidal reaches
感潮河段上游流量对潮位预报的影响 |
| 2. | The model is used to calculate water level and dis - charge of river network with tidal level as independent variable
该模型根据潮水位的变化，模拟河网的水位和流量变化过程。 |
| 3. | The statistical characteristics of the sub stage maximum tidal level in bridge reach are analyzed . and found that the maximum tidal level in flood season should correct the inconsistency
论文分析了桥位河段分期最高潮位序列的随机特性，发现需对徐六泾站汛期最高潮位进行修正，通过研究提出了对本河段行之有效的一致性修正方法。 |
| 4. | Therefore , the full use of advantages of tidal level of the yangtze river so as to lower the delivery lift and increase the pumping capacity and save energy consumption and raise operation reliability , are implemented
是一套用于强化水利工程现代化管理的系统软件，它具有对水工建筑物的各种资料数据进行存储、查询、分析、处理，并对水情、工情及气象资料进行统计、报表等功能。 |
| 5. | On the base of multiple function realization of tidal level forecasting of storm - surge , dyke break flood computation , flood inundation area computation and manpower - material dispatch etc . and using fussy policy - decision method , the flood control policy - decision scheme was determined
并在实现风暴潮潮位预报、溃堤洪水计算、洪水淹没面积和人员物资的调度等多种功能基础上，运用模糊决策方法，生成长兴岛防洪决策方案。 |
| 6. | The verification results show that the model can simulate well the tidal levels , current velocities , sediment concentration , bed load transport , diversion ratio in the bifurcation section , topographic change of the north and south channels , as well as sudden siltation caused by typhoons
大量实测资料验证表明，该数学模型可以较好地模拟长江口地区的潮位、流速、流向、含沙量、底沙、分流比、南北槽地形变化和台风暴潮造成的航道骤淤情况。 |
| 7. | Second , on the basis of supplementing basic data and investigating the historic tidal level , the design tidal level has been analyzed and calculated . as the result of the comparison between p - iii type frequency curve and gumbel curve , the p - iii curve is recommended
其次，在插补延长基本资料、历史潮位考证的基础上，进行了设计潮位的分析计算，并分别就采用p -型曲线及gumbel曲线两种线型适线进行比较探讨，推荐采用p -型曲线适线成果。 |
| 8. | The main research contents of the paper involve : establishment of real time forecasting system of taihu lake basin ; forecasting method for the tidal levels along yangtze river and hongzhou bay ; model mechanics of flow generation and confluence forecasting ; forecasting model mechanics of flow dynamics in plain river networks of taihu lake basin ; case study of real time flood forecasting and control in taihu lake basin
本文所研究的内容主要概括如下： 1 )太湖流域实时预报调度系统的建立与开发机制； 2 )沿长江及杭州湾潮位预报方法； 3 )太湖流域产汇流预报模型机理； 4 )太湖流域平原河网水动力学预报模型机理； 5 )太湖流域实时洪水预报与调度实例研究。 |
| 9. | Hydrology regime and river channel evolution become complex because of double influences of river flow and tide . there is little appropriate method so far . therefore , when the impact us assessed of water project on flood control , the following aspects should be focused on , river evolution and stability of project - sections , design tidal level , flood - tide combination scheme , pre - project and post - project impacts on river channel , water level and flow condition
长江河口段为潮流河段，径流潮流的双重作用使得区域水文情势、河道演变规律错综复杂，开展防洪影响评价研究时，河道演变及工程段稳定性分析，设计潮位的分析计算，洪潮组合方案拟定，工程前后对河道及水位流态影响的模拟等均是目前尚无十分成熟的方法，需要进一步研究的课题。 |
| 10. | Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively , quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made , and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry . it is found that the accretion of modem yellow river delta is becoming less and less , what ' s more , erosion is even more than alluvion in some recent years . diaokou promontory has been eroded seriously since yellow river changed its course in1976
以一般高潮线反映现代黄河三角洲冲淤演变时，从1976年黄河改道清水沟流路入海到2000年，整个黄洞三角洲净造陆201 . 5km ~ 2 ，淤积有逐渐变慢的趋势，甚至出现净蚀退的年份；刁口河嘴大量蚀退，蚀退速率开始快速，后来逐渐变慢；清水沟河嘴大量淤积，淤积速率开始迅速，后来逐渐变慢，甚至出现净蚀退；清水沟河嘴南侧到支脉沟一段岸线与刁口河嘴以西到湾湾沟一段岸线基本稳定。 |
