Physical Conditions of Saline Water Intrusion into a Coastal Lagoon, Lake Shinji, Japan.
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- ISHITOBI Yu
- Shimane Prefectural Institute for Public Health and Environmental
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- KAMIYA Hiroshi
- Shimane Prefectural Institute for Public Health and Environmental
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- YOKOYAMA Koji
- Disaster Prevention Research Institute, Kyoto University
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- KUMAGAI Michio
- Lake Biwa Research Institute
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- OKUDA Setsuo
- Okayama University of Science
Bibliographic Information
- Other Title
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- 潟湖、宍道湖への塩水侵入条件
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Abstract
In a coastal lagoon, Lake Shinji, saline water intrusion frequently occurs from the lower Ohashi River. Continuous observation of current velocity, salinity and water level in the Ohashi River revealed that intermittent intrusions takes place when diurnal periods of astronomical tide coincide with the rising stage of meteorological tides during a low discharge from the influent Hii River.<BR>The dynamics of tidal currents and saline transport in the Ohashi River were examined by numerical simulation with a simplified one-dimensional model using water level and salinity data from both river-channel ends. The calculated results reproduced well the observed time series of current velocity and salinity, though some disparity appeared under the two-layered structure. Related phenomena following the intrusion were described with respect to the formation of the stratified structure in Lake Shinji.
Journal
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- Japanese Journal of Limnology (Rikusuigaku Zasshi)
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Japanese Journal of Limnology (Rikusuigaku Zasshi) 60 (4), 439-452, 1999
The Japanese Society of Limnology
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Details 詳細情報について
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- CRID
- 1390282679036741760
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- NII Article ID
- 130003442236
- 10004483456
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- NII Book ID
- AN0024866X
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- ISSN
- 18824897
- 00215104
- http://id.crossref.org/issn/00215104
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- NDL BIB ID
- 5315098
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed