人工衛星による海底圧力変動観測の試み

Translated title of the contribution: Observing variations of ocean bottom pressure by satellites

Kaoru Ichikawa, 大塚 亮, 小川 賢一郎, 今脇 資郎, Kaoru Ichikawa, Ryo Otsuka, Kenichiro Ogawa, Shiro Imawaki

Research output: Contribution to journalArticle

Abstract

Possibility to observe variations of the ocean bottom pressure by satellites is qualitatively discussed. Seasonal variations of the sea surface dynamic height obtained by satellite altimetry agree well in phase with those of the ocean bottom pressure in a numerical ocean model, but are larger than expected barotropic signals from the latter, which suggests presence of variations other than barotropic component. Meanwhile, satellite gravity missions can provide observations of the ocean bottom pressure without contamination from baroclinic and steric height components. However, accuracy of their observations is found too low at present to be used for physical oceanographic studies.
Translated title of the contributionObserving variations of ocean bottom pressure by satellites
Original languageJapanese
Pages (from-to)173-178
Number of pages6
Journal九州大学応用力学研究所所報
Issue number133
DOIs
Publication statusPublished - Sep 2007

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