A Flood Forecasting Method for Watersheds Without Runoff Data
A flood forecasting and watershed technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of subjective discrimination, low efficiency, difficulty in mass popularization of technology, low efficiency, etc., and achieves high model parameter determination efficiency, The effect of a comprehensive technical approach that avoids subjectivity
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[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0034] Such as figure 1 Shown, the flood forecasting method of the watershed without runoff data of the present invention comprises the following steps:
[0035] 1) Information related to watershed characteristics includes topography, land use, and soil feature information. Among them, land use and soil features mainly refer to the coverage rate of various vegetation and soil types, and the classification is relatively fine. For example, the land use coverage rate includes evergreen There are more than ten kinds of coniferous forests, evergreen broad-leaved forests, and grasslands. In fact, hydrological model parameters are mainly related to vegetation and soil by loose coupling. For example, many studies have shown that the average free water storage capacity SM of the watershed is related to the forest rate, and it will not be specific to ev...
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