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In this study, we measure the silicon-isotopic composition d29Si,%, relative to NBS28 … quartz standard) of dissolved silicon and biogenic silica collected by sequential melting … from spring Antarctic pack ice collected near 117E-64.5S.
[1] We analyzed d29Si of dissolved silicate for eight water column profiles across the … Southern Ocean (south of Australia in spring 2001) from the Seasonal Ice Zone (SIZ) north to the Subantarctic Zone (SAZ), including the first isotopic compositions measured … for Si-depleted seawaters.
[1] We analyzed d29Si of dissolved silicate for eight water column profiles across the … Southern Ocean (south of Australia in spring 2001) from the Seasonal Ice Zone (SIZ) north to the Subantarctic Zone (SAZ), including the first isotopic compositions measured … for Si-depleted seawaters.
We present water column profiles of excess particulate Ba (Baxs, an estimate of biogenic Ba from total particulate Ba … after small corrections for lithogenic Ba) along a transect in the Australian sector of the Southern Ocean from the … Subantarctic Zone (SAZ) to the Sea Ice Zone during spring…
The thermopheric oxygen l630 nm emission has been observed using high-resolution Fabry-Perot spectrometers at Mawson (67.6°S, 62.9°E) and Davis (68.6°S, 78.0°E), Antarctica. A new technique, combining the results from the two instruments, is used to derive vector wind fields.
[1] 234Th deficit and excess were examined in the upper … 500 m of the Southern Ocean from Sub-Antarctic to … Seasonal Ice Zones (Australian sector) during austral … spring 2001. 234Th fluxes at 100 m indicate that particle … export was low in the North (46.9–51.0S)…