Monsoonal and other climatic influences on radiolarian species abundance over the last 35 ka, as recorded in core FR10/95-GC17, off North West Cape (Western Australia)

John Rogers

doi:10.1016/j.revmic.2016.05.003

Monsoonal and other climatic influences on radiolarian species abundance over the last 35 ka, as recorded in core FR10/95-GC17, off North West Cape (Western Australia)

John Rogers

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Species abundance counts from 46 surface sediment samples have been used to develop transfer functions for the reconstruction of salinity, and dissolved nitrates in the eastern Indian Ocean. Application of the functions to samples from deep-sea core FR10/95-GC17 [22° 07.74′ S, 113° 30.11′ E] shows that, offshore North West Cape, Western Australia, regional changes in salinity and the availability of dissolved nitrates were more significant in determining radiolarian species distributions over the last 35 ka than temperature. In addition, variations in the reconstructed data have been shown to reflect changes in marine currents and terrestrial rainfall over the study period.

Original language	English
Pages (from-to)	275-293
Number of pages	19
Journal	Revue de Micropaleontologie
Volume	59
Issue number	3
DOIs	https://doi.org/10.1016/j.revmic.2016.05.003
Publication status	Published - 1 Jul 2016

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title = "Monsoonal and other climatic influences on radiolarian species abundance over the last 35 ka, as recorded in core FR10/95-GC17, off North West Cape (Western Australia)",

abstract = "Species abundance counts from 46 surface sediment samples have been used to develop transfer functions for the reconstruction of salinity, and dissolved nitrates in the eastern Indian Ocean. Application of the functions to samples from deep-sea core FR10/95-GC17 [22° 07.74′ S, 113° 30.11′ E] shows that, offshore North West Cape, Western Australia, regional changes in salinity and the availability of dissolved nitrates were more significant in determining radiolarian species distributions over the last 35 ka than temperature. In addition, variations in the reconstructed data have been shown to reflect changes in marine currents and terrestrial rainfall over the study period.",

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N2 - Species abundance counts from 46 surface sediment samples have been used to develop transfer functions for the reconstruction of salinity, and dissolved nitrates in the eastern Indian Ocean. Application of the functions to samples from deep-sea core FR10/95-GC17 [22° 07.74′ S, 113° 30.11′ E] shows that, offshore North West Cape, Western Australia, regional changes in salinity and the availability of dissolved nitrates were more significant in determining radiolarian species distributions over the last 35 ka than temperature. In addition, variations in the reconstructed data have been shown to reflect changes in marine currents and terrestrial rainfall over the study period.

AB - Species abundance counts from 46 surface sediment samples have been used to develop transfer functions for the reconstruction of salinity, and dissolved nitrates in the eastern Indian Ocean. Application of the functions to samples from deep-sea core FR10/95-GC17 [22° 07.74′ S, 113° 30.11′ E] shows that, offshore North West Cape, Western Australia, regional changes in salinity and the availability of dissolved nitrates were more significant in determining radiolarian species distributions over the last 35 ka than temperature. In addition, variations in the reconstructed data have been shown to reflect changes in marine currents and terrestrial rainfall over the study period.

KW - Australian Monsoon

KW - Dissolved nitrates

KW - Eastern Indian Ocean

KW - Palaeo-environmental reconstruction

KW - Sea salinity

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SN - 0035-1598

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SP - 275

EP - 293

JO - Revue de Micropaleontologie

JF - Revue de Micropaleontologie

IS - 3

ER -

Monsoonal and other climatic influences on radiolarian species abundance over the last 35 ka, as recorded in core FR10/95-GC17, off North West Cape (Western Australia)

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