Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/58324
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Type: Conference paper
Title: Understanding phytoplankton variability throughout Spencer Gulf, South Australia, via satellite derived Chlorophyll-A
Author: Bierman, P.
Lewis, M.
Tanner, J.
Ostendorf, B.
Citation: Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2008), 7-11 July, 2008, Boston, USA, 2008: pp.902-905
Publisher: IEEE
Publisher Place: United States
Issue Date: 2008
ISBN: 9781424428076
Conference Name: IEEE International Geoscience and Remote Sensing Symposium (2008 : Boston, USA)
Statement of
Responsibility: 
Paul Bierman, Megan Lewis, Jason Tanner, and Bertram Ostendorf
Abstract: MODIS chlorophyll-a imagery was analysed to better understand the dynamics of phytoplankton in Spencer Gulf, South Australia. MODIS chlorophyll-a was validated against in situ chlorophyll-a measurements to assess the performance of MODIS algorithms in this shallow coastal body of water. Monthly mean chlorophyll-a imagery was then used to study the broad-scale seasonal variability in chlorophyll-a throughout Spencer Gulf and surrounding waters. Validation showed a slight overestimation in chlorophyll-a via MODIS when concentrations were low, and also likely coastal influences upon the measurements. The validation was less than conclusive with MODIS measurements explaining just 46% of the variation in the field data. The monthly image sequences identified significant differences in seasonal chlorophyll-a characteristics between different locations within the gulf. Elevated chlorophyll-a concentrations were also observed near the southern bluefin tuna aquaculture zone during winter compared to nearby waters of southern Spencer Gulf.
Keywords: Chlorophyll-a; MODIS; Phytoplankton; South Australia; Spatial and Temporal Variability; Spencer Gulf
Rights: ©2008 IEEE
RMID: 0020096488
DOI: 10.1109/IGARSS.2008.4779869
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute publications

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