PROCEEDINGS OF HYDRAULIC ENGINEERING
Online ISSN : 1884-9172
Print ISSN : 0916-7374
ISSN-L : 0916-7374
WATER LEVEL CHANGE IN THE LAKE NAKAUMI, OHASHI RIVER AND LAKE SHINJI DUE TO METEOROLOGICAL CONDITION CHANGE
Shoji FUKUOKASeiji OKAMURATomomi MATSUSHITAShoji FUNABASHI
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2003 Volume 47 Pages 1219-1224

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Abstract

To solve the water quality problems in the Lake Nakaumi and the Lake Shinji, it is necessary to make clear the characteristics of flow and water level variation in these two lakes. Flows in these two lakes are dependent on each other, because these two lakes are connected by the Ohashi River. We have to investigate flows in the Lake Nakaumi, the Lake Shinji and the Ohashi River together.
We compared meteorological external forces, the water level variation and the flow of the Lake Shinji with those of the Lake Nakaumi. We made clear the propagation mechanism of water level variation in the Lake Nakaumi, the Lake Shinji and the Ohashi River, respectively, by calculating time lags of water level variations in many observation points. Furthermore, the propagation mechanism of water level changes by wind set up was also investigated.

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© by Japan Society of Civil Engineers
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