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HERO ID
8669855
Reference Type
Journal Article
Title
Holocene Development and Palaeo-oceanography of Scott reef, Western Australia
Author(s)
Testa, V; Collins, LB; Zhao, J; Qu, D
Year
2009
Page Numbers
163-167
Web of Science Id
WOS:000292187600025
Abstract
Scott Reef is located on the northwest margin of Australia at 14 degrees 03"S and 121 degrees 17"E. It consists of a bifucated topographic high, at the edge of a carbonate platform established in the Late Eocene. The modem reef system is partially emergent during low tide (4m range). it is exposed to strong swell and Indian Ocean tropical cyclones and located on. Mail passage of the Indonesian Throughflow (ITT) Nutrient levels are low; temperature ranges between 25-30 degrees C and salinity 34.5 and 34.7. The Holocene reefs show resilience to bleaching other oceanographic even North and South Holocene reefs show similar average accretion rates of similar to 3.2mm/yr, however they may have developed morphologically distinctly due to differential accommodation and associated. lateral accretion. Reef initiation was established as early as 11.5 ka BP with dominant slow growing domal and tabular branching coral facies in semi-protected sites and coralline algal crusts in more exposed sites. Porites geochemical analysis points to a cooler SST window around 8.3 ka, and a higher SSS window at 5.8 ka (not yet calibrated). These findings extend our knowledge regional and climatic clients through Holocene time.
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