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Seasonal Sea Surface Circulation in the Northwest Region Off the Borneo Island Based on Nineteen Years Satellite Altimetry Data

  • Muhammad Faiz Pa’SuyaEmail author
  • Kamaludin Mohd Omar
  • Benny N. Peter
  • Ami Hassan Md Din
Chapter
Part of the Lecture Notes in Geoinformation and Cartography book series (LNGC)

Abstract

Seasonal variation of sea surface circulation in the northwest coast of Borneo Island were illustrated using altimetry data provided by six missions of satellite altimetry for the period of nineteen years (1993–2011). The estimated sea level anomaly (SLA) from altimetry data using Radar Altimeter Database System (RADS) is consistent with the tide gauge measurement at Kota Kinabalu and Bintulu. The SLA is combined with the 1992–2002 Mean Dynamic Ocean Topography to determine the absolute dynamic topography. Assuming geostrophic balance, the geostrophic current is estimated from the absolute dynamic topography and mapped for four specific months which represent the monsoon seasons; August (Southwest Monsoon), December (Northeast Monsoon), April (inter-monsoon) and October (inter-monsoon). The pattern of estimated surface current is consistent with the Argos-tracked Drifting Buoy’s track. In general, surface circulation in the central part of the southern region of South China Sea during April, October and December is cyclonic. Along the northwest coast of Borneo Island, the surface current is flowing north eastward during all months except in August, when the current is flowing northward. A few eddies have also been observed from the estimated surface current pattern.

Keywords

Sea surface circulation Monsoon RADS Borneo Island Satellite altimetry 

Notes

Acknowledgments

The authors would like to thank the TUDelft NOAA and Altimetrics LLC for providing altimetry data. Special thanks are due to MOHE, UTM and VOTE NO. (01G01) for funding this project. The 1992–2002 mean ocean dynamic topography data has been obtained from Nikolai Maximenko (IPRC) and Peter Niiler (SIO).

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Muhammad Faiz Pa’Suya
    • 1
    Email author
  • Kamaludin Mohd Omar
    • 2
  • Benny N. Peter
    • 2
  • Ami Hassan Md Din
    • 2
  1. 1.Faculty of Architecture Planning and SurveyingDepartment of Surveying Science and Geomatics, Universiti Teknologi Mara (Perlis)ArauMalaysia
  2. 2.GNSS and Geodynamic Research Group, Infocomm Research Aliance, Faculty of Geoinformation and Real EstateUniversiti Teknologi MalaysiaJohor BahruMalaysia

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