Remote sensing of sea surface salinity: a case study in the Burdekin River, north-eastern Australia

Heron, M.L., Prytz, A., Stieglitz, T., and Burrage, D.M. (2004) Remote sensing of sea surface salinity: a case study in the Burdekin River, north-eastern Australia. Gayana, 68 (2). pp. 284-288.

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Abstract

The principles of remotely sensing sea surface salinity are briefly reviewed. The airborne instrument used for this study is a Scanning Low Frequency Microwave Radiometer (SLFMR). It has spatial resolution of typically 500m (depending on the altitude of the aircraft) and a salinity resolution of about 1 psu. This configuration is suitable for studying the dynamics of river plumes as they form on the continental shelf. The Burdekin River is one of Australia's major rivers with about 2.4% of the annual runoff from the continent. This river is in the dry tropics and has severe transient peaks which last for days to weeks during the summer monsoon season. The case study shows the river plume during growth and decay phases and is supported with in situ vertical profiles of water salinity and temperature. The river plume forms a classic low density layer at the surface, but its development and movement along the coast is a feature of the regional oceanography.

Item ID: 6349
Item Type: Article (Refereed Research - C1)
Keywords: airborne; Burdekin River; microwave radiometer; remote sensing; river plume; salinity
ISSN: 0717-6538
Date Deposited: 12 Feb 2010 03:44
FoR Codes: 04 EARTH SCIENCES > 0405 Oceanography > 040599 Oceanography not elsewhere classified @ 50%
09 ENGINEERING > 0909 Geomatic Engineering > 090905 Photogrammetry and Remote Sensing @ 50%
SEO Codes: 96 ENVIRONMENT > 9699 Other Environment > 969902 Marine Oceanic Processes (excl. Climate Related) @ 51%
96 ENVIRONMENT > 9699 Other Environment > 969999 Environment not elsewhere classified @ 49%
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