Observations of water temperature and salinity in Ongul Strait, Antarctica, in 1998 and investigations of their intraseasonal, seasonal, and interannual variations
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概要
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Water temperature and salinity variations were observed below fast ice in Ongul Strait, Antarctica, in 1998. Vertical profiles of temperature and salinity were obtained with a conductivity-temperature-depth profiler, and temperature and salinity were continuously observed with moored sensors. Intraseasonal variations were observed in both fields. Especially, temperature variation of about 0.05℃ was apparent on the time scale of about one month near the thermocline depth. Seasonal variations of temperature and salinity were similar to those observed in 1982-1983 and 1990-1991. However, the temporally averaged temperature and salinity for 1998 showed differences from those for previous years; temperature was higher in 1998 than in 1982-1983 and 1990-1991 at middle to deep layers, and salinity was intermediate between 1982 (more saline) and 1990-1991 (fresher) throughout the water column.
- 国立極地研究所の論文
著者
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Hashida Gen
Center For Antarctic Environment Monitoring National Institute Of Polar Research
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Aoki Shigeru
Center for Antarctic Environment Monitoring, National Institute of Polar Research, and also at Depar
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Aoki S
Nihon Aerobics Center Chiba Jpn
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Aoki Shigeru
Center For Antarctic Environment Monitoring National Institute Of Polar Research And Also At Departm
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Aoki Shigeru
Center For Antarctic Environment Monitoring National Institute Of Polar Research
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