National Weather Service Northwest River Forecast Center.
国家气象局西北河展望中心。
This season only 1.7m of the 10.4m sockeye salmon that were forecast to return to the Fraser river in fact made it-a 50-year low.
原本预计有1040万尾红鲑会洄游到Fraser河，实际上却只有170万尾——创下了五十年来的新低。
The article carefully analyzes characteristics of rainfall and find out main factor in the middle reaches of Wei River and puts forward some advice how to improve precision of flood forecast.
本文认真分析了雨水情特点，找出了渭河中游洪水主要影响因素，对如何提高洪水预报的精度提出了建议。
According to forecast, water flow shall be low during dry period of 2006-2007 and water supply in the Pearl River Delta shall be threatened by salty tide again.
据预测，珠江流域2006—2007年度枯水期来水依然偏枯，珠江三角洲地区将因咸潮继续面临严峻的供水局面。
It is discussed the evaluation and forecast of the Yangtze River water quality.
讨论了长江水质的评价与预测问题。
Taking the changing tendency forecast of the channel patterns as an example, we have further discussed the application of geomorphic thresholds to the channel process in the Lower Yellow River.
并且以河型转化趋势预测为例，对地貌临界在河床演变中的应用作了进一步的探讨。
The phenol pollution of Linfen Section of Fenhe River is very serious, so the forecast of phenol pollution has important practical significance.
汾河临汾段酚污染严重，酚的污染预测具有重要的实际意义。
With BP artificial neural network, a model is developed to forecast the water level of Luoshan Station on Yangtze River.
运用BP人工神经网络建立了长江螺山站水位预报模型。
Flood forecast and operation of Feilaixia Project are essential in joint operation of reservoirs in the North River Basin, hence, it is of important significance to study its flood forecast model.
飞来峡水库的洪水预报和调度在北江流域的江河水库联合调度中十分重要，因此研究其洪水预报模型具有重要的意义。
Models of BP artificial neural network for the forecast of dry season runoff in the Lower Yellow River are set up by using artificial neural network.
应用人工神经网络建立下游枯季迳流预测的BP神经网络模型。
The analysis and forecast of riverbed change is based on the riverbed deposition calculation on the water area of river, seashore, port and so on.
冲淤计算是河流、海岸、港区等水域分析和预测水下地表变化的基础。
This paper puts forward a recursion equation, which is verified in the forecast and calculation of phenol pollution of Linfen Section of Fenhe River.
文章提出的河流水质预测预报递归方程，在汾河临汾段酚的预测计算中得到了验证。
A comparison experiment is conducted for the precipitation field over the Changjiang River Delta in flood season and the result indicates that the method can improve forecast greatly.
对长江三角洲汛期降水场进行试验比较，证明该方法能显著提高预测技巧。
According to the application of average discharge a year and time rank at Tongmeng Station of Nen River, it shows that we are satisfied with the model and forecast precision.
通过嫩江同盟站年平均流量时间序列的应用表明，该模型的预报精度满足要求。
So, it is practical to use the sequential clustering and Markov model to forecast the river runoff .
这说明运用马尔可夫模型进行河径流量的丰枯状态预报是有效可行的。
We used this model to forecast average value of Cu in water of Tongling section of Changjiang river.
用该模型预测长江铜陵段水环境中特征污染因子铜的年均值。
The paper forecasts the drought year of Liuhe river water system by the grey theory, and expatiates the basic method to forecast the stochastic hydrological elements by the theory.
文章通过利用灰色理论预测柳河水系的干旱年，阐述了灰色理论预测随机水文要素的基本方法。
Digital hydrological model is an advanced digital river basin model, whose successful application will be of great importance to the flood-forecast in Zhexi reservoir.
数字水文模型是一种先进的数字流域模型，它在柘溪水库的成功应用，将为柘溪水库的洪水预报发挥重大作用。
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。
This is of important indication function for the over long-term forecast of the large flood along the Yangtze River.
这对长江巨洪的超长期预期具有重要的指示作用。
The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.
应用建立的水沙数学模型以及河岸冲刷模型，模拟了一概化弯道在持续清水冲刷下的主流线位置、断面形态、主槽比降的变化过程，模拟结果符合弯道演变规律。
The northwest, northeast and Yangtze River area will see temperatures fall at least 8 to 12 degrees Celsius and snow is also forecast.
西北、东北和长江流域地区温度将会降低至少8 -12摄氏度，并有降雪。
The northwest, northeast and Yangtze River area will see temperatures fall at least 8 to 12 degrees Celsius and snow is also forecast.
西北、东北和长江流域地区温度将会降低至少8 -12摄氏度，并有降雪。
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