People > Dr Graham Quartly

Dr Graham Quartly

Earth Observation Scientist



Contact Details

+44 (0)1752 633100 (switchboard)

gqu22/11/2018 11:08:44@pml.ac.uk

Dr Graham Quartly is a Senior Scientist at PML working on the development of remote sensing techniques and their exploitation to tackle questions in physical and biological oceanography. Graham has a PhD in Underwater Acoustics from the University of Bath, and more than 20 years experience in satellite-based remote sensing from work at the UK's National Oceanography Centre (NOC) and its forerunners. His chief area of expertise has been altimetry (in which he has been an accredited PI on almost all projects). He has also written papers on ocean colour and sea surface temperature data.

Two common themes in Graham's work have been global patterns of rainfall and the circulation within the Greater Agulhas System, both of which have been explored from multiple satellite datasets, models and underwater acoustics.

Graham has supervised 25 Masters projects and is currently co-supervising a PhD student at NOC. He has been Principal Scientist leading four research cruises and has led two technology development programmes (Acoustic Rain Gauges and Pop-up Ocean Drifters). He has authored more than 50 refereed papers and is a frequent reviewer for journals.
 

Projects

EASOS: Marine Pollution
Completed

Earth and Sea Observation System (EASOS): Marine pollution

Contact: Dr Rory Donnelly

The Earth and Sea Observation System (EASOS) is a platform designed to provide high value decision support to tackle country-specific environmental...

InSUre
Completed

Integrated Service for Surveillance of illegal Unlicensed & Unreported fishing (InSUre)

In the Gulf of Guinea (GoG) the main losses in fish stocks are linked to illegal fishing activity that has increased in recent years. Considerable...

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Other key projects

AIMS (AltiKa: Innovative Meteorological Studies) (2013 - 2014)

SALCOMBE (Satellite Altimetry and Laser Cytometry Over MozamBique Eddies) (2015-2016)

Sea-level CCI (ESA-funded pan-European consortium) to improve the quality of sea level records.)  (2014-2017)

Sentinel-3 Mission Performance Centre (assessment of quality of data from new ESA satellites) (2014- )

GlobCurrent (ESA-funded pan-European collaboration to provide global fields of ocean surface currents) (2013 - 2017) 

Ocean Virtual Laboratory (ESA-funded project to enable real-world users easy access to a wide variety of satellite and model data for the Greater Agulhas area) (2014-2017)


Recent publications

  • Passaro, M; Nadzir, ZA; Quartly, GD . 2018 Improving the precision of sea level data from satellite altimetry with high-frequency and regional Sea State Bias corrections. Remote Sensing of Environment, 218. 245-254. 10.1016/j.rse.2018.09.007
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  • Danielson, RE; Johannessen, JA; Quartly, GD ; Rio, M-H; Chapron, B; Collard, F; Donlon, C. 2018 Exploitation of error correlation in a large analysis validation: GlobCurrent case study. Remote Sensing of Environment, 217. 476-490. 10.1016/j.rse.2018.07.016
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  • Nencioli, F; Dall’Olmo, G ; Quartly, GD . 2018 Agulhas ring transport efficiency from combined satellite altimetry and Argo profiles. Journal of Geophysical Research: Oceans. 10.1029/2018JC013909
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  • Land, PE ; Bailey, TC; Taberner, M; Pardo, S; Sathyendranath, S; Nejabati Zenouz, K; Brammall, V ; Shutler, JD ; Quartly, GD . 2018 A Statistical Modeling Framework for Characterising Uncertainty in Large Datasets: Application to Ocean Colour [in special issue: Remote Sensing of Ocean Colour] Remote Sensing, 10. 10.3390/rs10050695
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  • Nencioli, F; Quartly, GD. 2018 Exploring the synergy between along-track altimetry and tracer fronts to reconstruct surface ocean currents. Remote Sensing of Environment. 10.1016/j.rse.2018.04.036
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  • Poisson, JC; Quartly, GD; Kurekin, A; Thibaut, P; Hoang, D; Nencioli, F. 2018 Development of an ENVISAT altimetry processor providing sea level continuity between open ocean and Arctic leads. IEEE Transactions on Geoscience and Remote Sensing, PP. 21, pp. 10.1109/TGRS.2018.2813061
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Selected key publications

Warren, M.A., G.D. Quartly, J.D. Shutler, P.I. Miller, Y. Yoshikawa, 2016. Estimation of ocean surface currents from Maximum Cross Correlation applied to GOCI geostationary satellite data over the Tsushima (Korea) Straits. J. Geophys. Res..121 (9), 6993-7009. doi: 10.1002/2016JC011814.

Ashton, I.G., J.D. Shutler, P. Land, D.K. Woolf, and G. D. Quartly, 2016. A sensitivity analysis of the impact of rain on regional and global sea-air fluxes of CO2. PLOS One 11(9): e0161105 doi: 10.1371/journal.pone.0161105

Passaro, M., S. Dinardo, G.D. Quartly, H.. Snaith , J. Benveniste, P. Cipollini, and B. Lucas, 2016. Cross-calibrating ALES Envisat and CryoSat-2 delay-Doppler: A coastal altimetry study in the Indonesian Seas. Adv. Space Res. 58, 289-303. doi: 10.1016/j.asr.2016.04.011

Rees, A. P., C.E. Widdicombe, K. Tait, G.D. Quartly, A. McEvoy, L. Al-Moosawi, 2016. Metabolically active, non-nitrogen fixing, Trichodesmium in UK coastal waters during winter, J. Plankton Res. doi: 10.1093/plankt/fbv123

Shutler, J.D., G.D. Quartly, C.J. Donlon, S. Sathyendranath, T. Platt, B. Chapron, J.A. Johannessenen, F. Girard-Ardhuin, P.D. Nightingale, D.K. Woolf, J.L. Hoyer,, 2016. Progress in Earth observation for studying physical oceanography: surface currents, storm surges, sea-ice, atmosphere-ocean gas exchange and surface heat fluxes, Progress in Phys. Geog., 40 (2), 215-246. doi: 10.1177/0309133316638957

Quartly, G.D., 2015. Metocean Comparisons of Jason-2 and AltiKa—A Method to Develop a New Wind Speed Algorithm, Marine Geodesy, 38(S1):437–448. doi: 10.1080/01490419.2014.988834

Quartly, G.D., and M. Passaro, 2015. Initial Examination of AltiKa's Individual Echoes, Marine Geodesy, 38(S1):73–85 doi: 10.1080/01490419.2014.984882

Schabetsberger R, Økland F, Kalfatak D, Sichrowsky U, Tambets M, Aarestrup K, Gubili C, Sarginson J, Boufana B, Jehle R, Dall’Olmo G, Miller MJ, Scheck A, Kaiser R, Quartly G, 2015. Genetic and migratory evidence for sympatric spawning of tropical Pacific eels from Vanuatu. Marine Ecology Progress Series 521, 171-187. doi: 10.3354/meps11138

Xu, W., P.I. Miller, G.D. Quartly, and R.D. Pingree, 2015,Seasonality and interannual variability of the European Slope Current from 20 years of altimeter data with in situ measurement comparisons,Remote Sens. Env. 162, 196-207. doi: 10.1016/j.rse.2015.02.008

Feng, X., M. Tsimplis, G. Quartly, M. Yelland, 2014, Wave height analysis from 10 years of observations in the Norwegian Sea, Cont. Shelf. Res. 72, 47-56. doi: 10.1016/j.csr.2013.10.013

Feng, X., M. Tsimplis, M. Yelland, G. Quartly, 2014, Changes in significant and maximum wave heights in the Norwegian Sea, Glob. Plan. Change. 114, 68-76. doi: 10.1016/j.gloplacha.2013.12.010

Passaro, M., P. Cipollini; S. Vignudelli; G.D. Quartly; and H.M. Snaith, 2014, ALES: a multi-mission adaptive sub-waveform retracker for coastal and open ocean altimetry, Remote Sens. Env. 145, 173-189. doi: 10.1016/j.rse.2014.02.008

Quartly, G.D., B.A. de Cuevas & A.C. Coward, 2013, Mozambique Channel Eddies in GCMs: A question of resolution and slippage, Ocean Modelling, 63, 56-67. doi: 10.1016/j.ocemod.2012.12.011

Srokosz, M.A. & G.D. Quartly, 2013, The Madagascar Bloom: A serendipitous study. J. Geophys. Res., 118, 1-12. doi: 10.1029/2012JC008339

Beal, L.M., et al., 2011, On the role of the Agulhas system in ocean circulation and climate, Nature 472, 429-436. doi:10.1038/nature09983

Gommenginger, et al., 2011, Retracking altimeter waveforms near the coasts A review of retracking methods and some applications to coastal waveforms, p 61-101 of "Coastal Altimetry", Springer, ISBN 978-3-642-12796-3

Henson S.A., R. Sanders, E. Madsen, P J. Morris, F Le Moigne & G.D. Quartly, 2011, A reduced estimate of the strength of the ocean's biological carbon pump, Geophys. Res. Lett. 38, art. no. L04606, doi: 10.1029/2011GL046735

Perrette, M., A. Yool, G.D. Quartly, and E.E. Popova, 2011, Near-ubiquity of ice-edge blooms in the Arctic, Biogeosciences. 8, 515-524, doi: 10.5194/bg-8-515-2011

Gomez-Enri, J., S. Vignudelli, G.D. Quartly, C.P. Gommenginger, P. Cipollini, P.G. Challenor and J. Benveniste, 2010, Modeling Envisat RA-2 waveforms in the coastal zone: Case-study of calm water contamination, IEEE Geosci. Rem. Sensing Lett. 7 (3), 474-478 doi: 10.1109/LGRS.2009.2039193

Poulton, A.J., A. Charalampopoulou J.R. Young, G.A. Tarran, M.I. Lucas, G.D. Quartly 2010, Coccolithophore dynamics in non-bloom conditions during late summer in the central Iceland Basin (July-August 2007), Limnol. Oceanogr. 55(4), 2010. doi: 10.4319/lo.2010.55.4.1601

Quartly,G.D., 2010, Improving the altimetric rain record from Jason-1 & Jason-2. J. Geophys. Res. 115, art. no. C03008 (15pp.) doi: 10.1029/2009JC005670

Quartly,G.D., 2010, Jason-1 / Jason-2 metocean comparisons and monitoring. Marine Geodesy 33 (1), 256-271. doi: 10.1080/01490419.2010.487794

Other activities

SCOR/WCRP/IAPSO Working Group 136 on Climatic Importance of the Greater Agulhas System (2010-2013)

Ocean Surface Topography Science Team

ESA's Sentinel-3 Validation Team

AltiKa validation team 

Co-Investigator on SWOT mission