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    ENSO-induced inter-annual sea level variability in the Singapore strait

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    Indian_J_Geo-Mar_Sci_43_1187.pdf (155.5Kb)
    Date
    2014
    Author
    Soumya, M.
    Vethamony, P.
    Tkalich, P.
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    Abstract
    Sea level data from four tide gauge stations in the SS (Tanjong Pagar, Sultan Shoal, Sembawang and Raffles Lighthouse) for the period 1970-2012 were extracted to study the ENSO-induced interannual sea level variability Sea level during this period is dominated by inter-annual fluctuations Monthly sea level anomalies were filtered using a Butterworth low pass filter to obtain inter-annual signals It is found that at interannual scale, sea level and ENSO index vary coherently in the SS: drops are associated with ElNino phase and rises are related to La Nina episodes Wind stress variations and reduced SCS volume transport play significant roles in ENSO-induced sea level variability.
    URI
    http://drs.nio.org/drs/handle/2264/7617
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