Dr Jill Schwarz

Dr Jill Schwarz

Lecturer in Marine Remote Sensing

School of Biological and Marine Sciences (Faculty of Science and Engineering)



Lecturer in Marine Remote Sensing.
Module leader for OS209 Marine Remote Sensing; MAR513 Research Skills and MAR518 Remote Sensing and Geographical Information Systems.
Contributing lecturer – statistics.


2014 to present: University of Plymouth, 0.5 FTE permanent +0.5 FTE fixed-term lectureship.

2012 – 2014: University of Plymouth, 0.5 FTE Lectureship; 0.5 FTE Post-doctoral Researcher.

2011 – 2012: University of Plymouth lecturer @0.5 FTE / consulting @0.5 FTE  

2008 – 2011: Remote Sensing Scientist, National Institute for Water & Atmosphere Research, Wellington, New Zealand.

2002 – 2008: Remote Sensing Scientist, Alfred Wegener Institute for Polar & Marine Research, Bremerhaven, Germany.

1999 – 2002: Postdoc in remote sensing, German Aerospace, Berlin, Germany.

PhD in high spectral resolution reflectance and water quality monitoring. BSc in Physics & Oceanography; University of Southampton.

Research voyages:

R.V. Prince Madog:
16/6/12 – 23/6/12
  – Submicron particles, UK shelf. Radiometry. 

R.V. Tangaroa:
29/5/10 – 11/6/10
23/5/08 – 12/6/08
24/10/09 – 31/10/09
  – KARMA: Bio-optical and biogeochemical properties over the Kermadec Ridge, TAN1007/2. Primary productivity, underway radiometry, discrete bio-optical & biogeochemical measurements.
  – Chatham Rise/Sub-tropical front surveys TAN0806, TAN0909. Primary productivity, underway radiometry and discrete bio-optical measurements.

R.V. Aurora Australis:
1/1/06 – 15/3/06 
  – BROKE-West survey, Indian Ocean sector, Southern Ocean. Underway radiometry and discrete bio-optical measurements.

R.V. Polarstern:
21/07/05 – 30/9/05
28/02/03 – 11/05/03
25/06/02 – 23/08/02
  – ARK XVIII, ARK XIX & ARK XXI, Arctic. Radiometry, biogeochemistry, CTD team.

R.V. Oceania:
05/05/01 – 16/05/01
21/09/00 – 39/09/00
19/04/99 – 29/04/99
19/05/97 – 26/05/97 
  – Bio-optical cruises in collaboration between DLR and IOPAN; Gdansk Bay. EU-Biocolor project bio-optical cruises, Gdansk Bay.

R.V. Celtic Voyager:
20/08/98 – 28/08/98
11/03/98 – 19/03/98   
   – EU-Biocolor project bio-optical cruises, N. Atlantic.

R.V. Discovery:
21/11/96 – 01/01/97 
  – EU-OMEGA project cruise, Alboran Sea. Radiometry, underway sampling shift.



Teaching interests

Marine remote sensing, technologies & applications, particularly inter-disciplinary problem solving.



Research interests

Ocean colour, biogeochemistry, biophysical coupling, marginal ice zone;
Empirical validation of remote sensing data;
Analysis of multiple-sensor/platform/waveband remote sensing data, including machine learning;
Complementary use of dynamical modelling & remote sensing.

Review panel – Frontiers in Earth Science.

Research groups



Key publications

Key publications are highlighted

Roche RC, Heenan A, Taylor BM, Schwarz JN, Fox MD, Southworth LK, Williams GJ & Turner JR (2022) 'Linking variation in planktonic primary production to coral reef fish growth and condition' Royal Society Open Science 9, (8) , DOI Open access
Ford D, Tilstone GH, Shutler JD, Kitidis V, Lobanova P, Schwarz J, Poulton AJ, Serret P, Lamont T & Chuqui M (2021) 'Wind speed and mesoscale features drive net autotrophy in the South Atlantic Ocean' Remote Sensing of Environment: an interdisciplinary journal 260, , DOI Open access
Schwarz JN (2020) 'Dynamic partitioning of tropical Indian Ocean surface waters using ocean colour data — management and modelling applications' Journal of Environmental Management 276, 0-0 , DOI Open access
Lefering I, Bengil F, Trees C, Röttgers R, Bowers D, Nimmo-Smith A, Schwarz J & McKee D (2016) 'Optical closure in marine waters from in situ inherent optical property measurements' Optics Express 24, (13) 14036-14036 , DOI Open access
Chang FH, Williams MJM, Schwarz JN, Hall JA, Maas EW & Stewart R (2012) 'Spatial variation of phytoplankton assemblages and biomass in the New Zealand sector of the Southern Ocean during the late austral summer 2008' Polar Biology 36, (3) 391-408 , DOI
Smetacek V, Klaas C, Strass VH, Assmy P, Montresor M, Cisewski B, Savoye N, Webb A, d'Ovidio F & Arrieta JM (2012) 'Deep carbon export from a Southern Ocean iron-fertilized diatom bloom' Nature 487, (7407) 313-319 Publisher Site , DOI
Safi KA, Robinson KV, Hall JA, Schwarz JN & Maas EW (2012) 'Ross Sea deep-ocean and epipelagic microzooplankton during the summer-autumn transition period' Aquatic Microbial Ecology 67, (2) , DOI
Geibert W, Assmy P, Bakker DCE, Hanfland C, Hoppema M, Pichevin LE, Schroeder M, Schwarz JN, Stimac I & Usbeck R (2010) 'High productivity in an ice melting hot spot at the eastern boundary of the Weddell Gyre' Global Biogeochemical Cycles 24, , DOI
Schwarz JN, Raymond B, Williams GD, Pasquer B, Marsland SJ & Gorton RJ (2010) 'Biophysical coupling in remotely-sensed wind stress, sea surface temperature, sea ice and chlorophyll concentrations in the South Indian Ocean' Deep-Sea Research Part II - Topical Studies in Oceanography 9-10, (57) 701-722 Publisher Site , DOI
Schwarz JN & Schodlok MP (2009) 'Impact of drifting icebergs on surface phytoplankton biomass in the Southern Ocean: Ocean colour remote sensing and in situ iceberg tracking' Deep-Sea Research Part I - Oceanographic Research Papers 10, (56) 1727-1741 Publisher Site , DOI
Damm E, Kiene RP, Schwarz JN, Falck E & Dieckmann G (2008) 'Methane cycling in Arctic shelf water and its relationship with phytoplankton biomass and DMSP' Marine Chemistry 109, (1-2) , DOI
Stramska M, Stramski D, Kaczmarek S, Allison DB & Schwarz JN (2006) 'Seasonal and regional differentiation of bio-optical properties within the north polar Atlantic' Journal of Geophysical Research 111, (C8) , DOI
Schwarz JN (2005) 'Derivation of dissolved organic carbon concentrations from SeaWiFS data' International Journal of Remote Sensing 2, (26) 283-293 , DOI
Schwarz JN, Kowalczuk P, Kaczmarek S, Cota GF, Mitchell BG, Kahru M, Chavez FP, Cunningham A, McKee D & Gege P (2002) 'Two models for absorption by coloured dissolved organic matter (CDOM)' Oceanologia 2, (44) 209-241 Publisher Site
Piskozub J, Weeks AR, Schwarz JN & Robinson IS (2000) 'Self-shading of upwelling irradiance for an instrument with sensors on a sidearm' Applied Optics 39, (12) 1872-1872 , DOI
Weeks AR, Robinson IS, Schwarz JN & Trundle KT (1999) 'The Southampton underwater multiparameter optical-fibre spectrometer system (SUMOSS)' Measurement Science and Technology 12, (10) 1168-1177 Publisher Site
Guymer TH, Alderson SG, Challenor PG, Cipollini P, Forrester TN, Schwarz JN, Snaith HM, Weeks AR & Corsini G (1997) 'Remote sensing and in situ measurements of bio-optical variability in a Mediterranean mesoscale system' European Space Agency, (Special Publication) ESA SP (414 PART 3) 1379-1384
Conference Papers
Schwarz JN & Law CS (2014) 'Temporal variability of coccolithophores in New Zealand waters' 7th Ocean Acidification Workshop University of Otago, New Zealand 2-/-0/20142-/-0/2014
Dakin JP, Trundle KJ, Schwarz J, Robinson IS & Weeks AR (1997) '<title>Flexible fiber-optic-based underwater spectrometer for oceanographic research</title>' Environmental Sensing III SPIE , DOI
Schwarz J, Weeks AR, Trundle KJ & Robinson IS (1997) '<title>Toward optical closure in coastal waters</title>' Ocean Optics XIII SPIE , DOI
Schwarz JN, Williams M, Walkington M, Chang H, Maas E, Stephens C, Gall M, Pinkerton MH, Cunningham C & Hall J (2014) Distributions of water mass, water quality and sea ice during the New Zealand IPY-CAML survey of the Ross Sea. Distributions of water mass, water quality and sea-ice during the New Zealand IPY-CAML survey of the Ross Sea New Zealand Ministry for Primary Industries New Zealand New Zealand Ministry for Primary Industries Publisher Site
Pinkerton MH, Schwarz JN, Gall M & Beaumont J (2013) Satellite ocean-colour remote sensing of the South Taranaki Bight from 2002 to 2012 Prepared for Trans-Tasman Resources Ltd. Satellite ocean-colour remote sensing of the South Taranaki Bight from 2002 to 2012 Trans Tasman Resources / National Institute for Water & Atmosphere Research New Zealand National Institute for Water & Atmosphere Research Publisher Site
Schwarz JN, Pinkerton MH, Wood S & Zeldis J (2010) Remote sensing of river plumes in the Canterbury Bight. Stage II: final report. Environment Canterbury New Zealand Publisher Site
MacDiarmid A, Chiswell S, Zeldis J, Palliser C, Maas EW, Taylor P, Torres L, Nodder S, Hewitt J & Julian K (2009) OS2020 Bay of Islands Coastal Project Phase 1 - Desktop Study. Land Information New Zealand New Zealand NIWA