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ANALYSIS ON THE STATISTIC CHARACTERISTICS OF RUNOFF TIME SERIES IN THE YELLOW RIVER MOUTH AREA
Yellow River Mouth area Runoff Time series
2013/7/22
Stochastic model of time series is used to study runoff at the Lijin Hydrological Station in the Yellow River estuary during 1950-2000. The results show that there exists a decreasing trend of the run...
RECENT MORPHOLOGICAL CHANGE AT THE NARUSE RIVER MOUTH, JAPAN
Sand spit River mouth closure Naruse River Harmonic analysis
2013/7/22
The Naruse River mouth showed stable topography at least for these 46 years. However, sediment deposit occurred in July 2002, which caused difficulty in ship operation going in and out of a port loca...
ACCURACY OF AN ESTIMATION METHOD OF WATER DEPTH AT A RIVER MOUTH USING WATER LEVEL VARIATIONS
River mouth Water depth estimation Natori River Tidal variation
2013/7/22
It is observed that the water level variation inside and outside the Natori River mouth shows distinct difference after the formation of sand spit at the mouth, although the difference is not so remar...
MATHEMATICAL MODELING OF MORPHOLOGICAL CHANGE AT A RIVER MOUTH
River mouth Sand spit Migration, Mathematical model
2013/7/22
A mathematical model for calculating river mouth width is introduced, by considering sediment intrusion by waves, as well as sediment flushing by river and tidal discharge. Behavior of an analytical s...