River mouth salt tide forecasting method based on tides and runoff
A runoff and tidal technology, applied in the field of forecasting, can solve problems such as complex boundary conditions for predicting salty tides, complex calculations for forecasting models, and short forecast periods for salty tides
Inactive Publication Date: 2014-03-05
广东省水文局佛山水文分局
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[0004] The purpose of the present invention is to provide a salt tide forecasting method based on tide and runoff, which aims to solve the problems of short forecast period of salt tide forecasting, complex boundary conditions of forecast salt tide, many parameters and complex calculation of forecasting model. Combined with
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Abstract
The invention discloses a river mouth salt tide forecasting method based on tides and runoff. The method specifically comprises the following steps of A00, parameter selection, B00, parameter quantization, C00, estimation of salinity and a tidal range statistic model, D00, initial estimation of the salinity and a runoff volume statistic model, E00, initial estimation of a salinity statistic model, F00, correction of the salinity statistic model, G00, obtainment of a salinity forecasting model. According to the river mouth salt tide forecasting method based on tides and runoff, the salt tide upstream forecasting model based on chlorosity and the relation of the runoff and the tidal range is established, forecasting can be achieved 1-7 days ahead of schedule, and middle or short term salt tide forecasting is achieved; the forecasting model only has one main unknown runoff parameter, the complex problem of salt tide forecasting is simplified, and the method has the outstanding advantages of being simple, convenient and practical.
Description
technical field [0001] The invention relates to a forecasting method, in particular to a forecasting method of estuary salty tide based on tide and runoff. Background technique [0002] In the modeling process, due to the lack of in-depth understanding of the dynamic process of salt tide intrusion, the relationship between salinity, tidal range and runoff established by the existing statistical model of salt tide intrusion in estuaries is not ideal, and the comparison between the predicted results and the measured data has large errors , it is difficult to be applied in the wading industry. In the numerical prediction model, the numerical values and boundary conditions given are complex, and the amount of calculation is large, so it is difficult to quickly and efficiently predict the salinity of the estuary intake. [0003] Therefore, the prior art still needs to be improved and developed. Contents of the invention [0004] The purpose of the present invention is to pr...
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IPC IPC(8): G06F17/50G06Q10/04
Inventor 吕爱琴王彪朱建荣王峥蔡鑫
Owner 广东省水文局佛山水文分局
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