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Thomas Ryan-Keogh
Thomas Ryan-Keogh
Verified email at csir.co.za - Homepage
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Year
Natural iron fertilization by the Eyjafjallajökull volcanic eruption
EP Achterberg, CM Moore, SA Henson, S Steigenberger, A Stohl, ...
Geophysical Research Letters 40 (5), 921-926, 2013
1522013
Spatial and temporal development of phytoplankton iron stress in relation to bloom dynamics in the high‐latitude North Atlantic Ocean
TJ Ryan-Keogh, AI Macey, MC Nielsdóttir, MI Lucas, SS Steigenberger, ...
Limnology and oceanography 58 (2), 533-545, 2013
852013
The cyanobacterial chlorophyll‐binding‐protein isia acts to increase the in vivo effective absorption cross‐section of psi under iron limitation 1
TJ Ryan‐Keogh, AI Macey, AM Cockshutt, CM Moore, TS Bibby
Journal of Phycology 48 (1), 145-154, 2012
662012
An optimized method for correcting fluorescence quenching using optical backscattering on autonomous platforms
SJ Thomalla, W Moutier, TJ Ryan‐Keogh, L Gregor, J Schütt
Limnology and Oceanography: Methods 16 (2), 132-144, 2018
452018
Temporal progression of photosynthetic-strategy in phytoplankton in the Ross Sea, Antarctica
TJ Ryan-Keogh, LM DeLizo, WO Smith Jr, PN Sedwick, ...
Journal of marine Systems 166, 87-96, 2017
422017
Single-turnover variable chlorophyll fluorescence as a tool for assessing phytoplankton photosynthesis and primary productivity: opportunities, caveats and recommendations
N Schuback, PD Tortell, I Berman-Frank, DA Campbell, A Ciotti, ...
Frontiers in Marine Science 8, 690607, 2021
372021
Photosynthetic protein stoichiometry and photophysiology in the high latitude North Atlantic
AI Macey, T Ryan‐Keogh, S Richier, CM Moore, TS Bibby
Limnology and Oceanography 59 (6), 1853-1864, 2014
272014
Seasonal depletion of the dissolved iron reservoirs in the sub‐Antarctic zone of the Southern Atlantic Ocean
TN Mtshali, NR van Horsten, SJ Thomalla, TJ Ryan‐Keogh, SA Nicholson, ...
Geophysical Research Letters 46 (8), 4386-4395, 2019
262019
GliderTools: A Python toolbox for processing underwater glider data
L Gregor, TJ Ryan-Keogh, SA Nicholson, M Du Plessis, I Giddy, S Swart
Frontiers in Marine Science 6, 738, 2019
242019
Multidecadal trend of increasing iron stress in Southern Ocean phytoplankton
TJ Ryan-Keogh, SJ Thomalla, PMS Monteiro, A Tagliabue
Science 379 (6634), 834-840, 2023
222023
Seasonal development of iron limitation in the sub-Antarctic zone
TJ Ryan-Keogh, SJ Thomalla, TN Mtshali, NR Van Horsten, HJ Little
Biogeosciences 15 (14), 4647-4660, 2018
222018
Evaluation of chlorophyll-a and POC MODIS aqua products in the Southern Ocean
W Moutier, SJ Thomalla, S Bernard, G Wind, TJ Ryan-Keogh, ME Smith
Remote Sensing 11 (15), 1793, 2019
202019
Phenology and environmental control of phytoplankton blooms in the Kong Håkon VII Hav in the Southern Ocean
HM Kauko, T Hattermann, T Ryan-Keogh, A Singh, L De Steur, ...
Frontiers in marine science 8, 623856, 2021
172021
High latitude Southern Ocean phytoplankton have distinctive bio-optical properties
CM Robinson, Y Huot, N Schuback, TJ Ryan-Keogh, SJ Thomalla, ...
Optics Express 29 (14), 21084-21112, 2021
162021
Temporal patterns of iron limitation in the Ross Sea as determined from chlorophyll fluorescence
TJ Ryan-Keogh, WO Smith Jr
Journal of marine systems 215, 103500, 2021
162021
Deriving a proxy for iron limitation from chlorophyll fluorescence on buoyancy gliders
TJ Ryan-Keogh, SJ Thomalla
Frontiers in Marine Science 7, 275, 2020
152020
Seasonal regulation of the coupling between photosynthetic electron transport and carbon fixation in the Southern Ocean
TJ Ryan‐Keogh, SJ Thomalla, H Little, JR Melanson
Limnology and Oceanography 63 (5), 1856-1876, 2018
142018
Modelled estimates of spatial variability of iron stress in the Atlantic sector of the Southern Ocean
TJ Ryan-Keogh, SJ Thomalla, TN Mtshali, H Little
Biogeosciences 14 (17), 3883-3897, 2017
132017
Wind-driven upwelling of iron sustains dense blooms and food webs in the eastern Weddell Gyre
S Moreau, T Hattermann, L de Steur, HM Kauko, H Ahonen, M Ardelan, ...
Nature Communications 14 (1), 1303, 2023
102023
Phytoplankton photophysiology utilities: A python toolbox for the standardization of processing active chlorophyll-a fluorescence data
TJ Ryan-Keogh, CM Robinson
Frontiers in Marine Science 8, 525414, 2021
92021
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