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The relationship between silicon isotope fractionation in sponges and silicic acid 1 concentration : modern and core-top studies of biogenic opal 2

• Katharine R Hendry, Laura F. Robinson
• 2012

10 Recent work has shown the silicon isotope composition, denoted by δ30Si, of deep-sea 11 sponges reflects the concentration of ambient silicic acid (Si(OH)4) in seawater. 12 However, existing… (More)

Controls on stable isotope and trace metal uptake in 1 Neogloboquadrina pachyderma ( sinistral ) from an Antarctic 2 sea-ice environment 3 4

• Katharine R Hendry, Rosalind E M Rickaby, Michael P Meredith, Henry Elder, eld
• 2009

15 The polar foraminifera Neogloboquadrina pachyderma (sinistral) dominates assemblages from 16 the high latitude Southern Ocean, which is a key region for paleoclimate studies. Here, 17 we use N.… (More)

Primary production export flux in Marguerite Bay ( Antarctic Peninsula ) : linking upper water-column production to sediment trap flux Journal Item

• K. J. Weston, Timothy D. Jickells, +8 authors Katharine R Hendry
• 2012

A study was carried out to assess primary production and associated export flux in the coastal waters of the western Antarctic Peninsula at an oceanographic time-series site. New, i.e. exportable,… (More)

Cadmium and phosphate in coastal Antarctic 1 seawater : implications for Southern Ocean nutrient 2 cycling 3 4

• Katharine R Hendry, Rosalind E M Rickaby, Jan C M de Hoog, K. J. Weston, Mark Rehkämper
• 2011

Silicon isotopes indicate enhanced carbon export efficiency in the North Atlantic during deglaciation.

• Katharine R Hendry, Laura F. Robinson, Jerry F. McManus, J Daniel Hays
• Nature communications
• 2014

Today's Sargasso Sea is nutrient starved, except for episodic upwelling events caused by wind-driven winter mixing and eddies. Enhanced diatom opal burial in Sargasso Sea sediments indicates that… (More)

Ice sheets as a missing source of silica to the polar oceans

• Jon R. Hawkings, Jemma Louise Wadham, +5 authors Rob Raiswell
• Nature communications
• 2017

Ice sheets play a more important role in the global silicon cycle than previously appreciated. Input of dissolved and amorphous particulate silica into natural waters stimulates the growth of… (More)

Barium isotopes reveal role of ocean circulation on barium cycling in the Atlantic 1 2

• Stephanie L. Bates, Katharine R Hendry, +4 authors Tristan J Horner
• 2017

Opal ( Zn / Si ) ratios as a nearshore geochemical proxy in coastal Antarctica

• Katharine R Hendry, Rosalind E M Rickaby
• 2008

[1] During the last 50 years, the Antarctic Peninsula has experienced rapid warming with associated retreat of 87% of marine and tidewater glacier fronts. Accelerated glacial retreat and iceberg… (More)

Clumped isotope composition of cold-water corals : A role for vital effects ?

• Peter T. Spooner, Weichun Guo, +4 authors Melanie J Leng
• 2016

The carbonate clumped isotope thermometer is a promising tool for determining past ocean temperatures. It is based on the temperature dependence of rare isotopes ‘clumping’ into the same carbonate… (More)

Diatom silicon isotopes as a proxy for silicic acid utilisation : A Southern Ocean core top calibration

• Katherine E. Egan, Rosalind E M Rickaby, +4 authors Alex N. Halliday
• 2012

Despite a growing body of work that uses diatom dSi to reconstruct past changes in silicic acid utilisation, few studies have focused on calibrating core top data with modern oceanographic… (More)

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