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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- Aoki Shigeru
- Center for Antarctic Environment Monitoring, National Institute of Polar Research
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- Hashida Gen
- Center for Antarctic Environment Monitoring, National Institute of Polar Research
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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.
収録刊行物
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- Polar meteorology and glaciology
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Polar meteorology and glaciology 14 68-77, 2000-11
国立極地研究所
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詳細情報 詳細情報について
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- CRID
- 1573105976736131200
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- NII論文ID
- 110001068167
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- NII書誌ID
- AA1129795X
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- ISSN
- 13443437
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles