Items where NERC Author is "Hemmings, John"

2015

Hemmings, J.C.P.; Challenor, P.G.; Yool, A. ORCID: https://orcid.org/0000-0002-9879-2776. 2015 Mechanistic site-based emulation of a global ocean biogeochemical model (MEDUSA 1.0) for parametric analysis and calibration: an application of the Marine Model Optimization Testbed (MarMOT 1.1). Geoscientific Model Development, 8. 697-731. 10.5194/gmd-8-697-2015

2013

Hemmings, John. 2013 The Marine Model Optimization Testbed (MarMOT). Southampton, UK, National Oceanography Centre, 6pp. (Unpublished)

Hemmings, J.C.P.. 2013 Traceability of performance between two ocean biogeochemistry models of differing complexity. Southampton, National Oceanography Centre, 57pp. (National Oceanography Centre Research and Consultancy Report, 41)

2012

Hemmings, J.C.P.; Challenor, P.G.. 2012 Addressing the impact of environmental uncertainty in plankton model calibration with a dedicated software system: the Marine Model Optimization Testbed (MarMOT 1.1 alpha). Geoscientific Model Development, 5 (2). 471-498. 10.5194/gmd-5-471-2012

2010

Hartman, S.E. ORCID: https://orcid.org/0000-0002-6363-1331; Hydes, D.J.; Hemmings, J.C.P.; Schuster, U.. 2010 Spatial and temporal variation in surface nitrate concentrations in the temperate and sub-tropical North Atlantic. In: Dahlin, H.; Bell, M.J.; Flemming, N.C.; Petersson, S.E., (eds.) Coastal to Global Operational Oceanography: Achievements and Challenges. Proceedings of the Fifth International Conference on EuroGOOS. Norrköping, EuroGOOS Office SMHI/Bundesamt fur Seeschifffahrt und Hydrographie (BSH), 103-109. (EuroGOOS Publication 28).

2009

Hemmings, John C.P.. 2009 A marine model optimization test-bed for ecosystem model evaluation: MarMOT version 1.0 description and user guide. Southampton UK, National Oceanography Centre Southampton, 111pp. (National Oceanography Centre Southampton Research and Consultancy Report 67)

2008

Hemmings, J.C.P.; Barciela, R.M.; Bell, M.J.. 2008 Ocean color data assimilation with material conservation for improving model estimates of air-sea CO2 flux. Journal of Marine Research, 66. 87-126.

2007

Hemmings, J.C.P.; Barciela, R.M.; Bell, M.J.. 2007 A material balancing scheme for ocean colour data assimilation. Southampton, UK, National Oceanography Centre Southampton, 57pp. (National Oceanography Centre Southampton Internal Document 5)

2004

Hemmings, J.C.P.; Srokosz, M.A. ORCID: https://orcid.org/0000-0002-7347-7411; Challenor, P.G.; Fasham, M.J.R.. 2004 Parameterizing the microbial loop: an experiment in reducing model complexity. Southampton Oceanography Centre, 36pp. (Southampton Oceanography Centre Internal Document 93)

Hemmings, J.C.P.; Srokosz, M.A. ORCID: https://orcid.org/0000-0002-7347-7411; Challenor, P.; Fasham, M.J.R.. 2004 Split-domain calibration of an ecosystem model using satellite ocean colour data. Journal of Marine Systems, 50 (3-4). 141-179. 10.1016/j.jmarsys.2004.02.003

2003

Hemmings, J.C.P.; Srokosz, M.A. ORCID: https://orcid.org/0000-0002-7347-7411; Challenor, P.; Fasham, M.J.R.. 2003 Assimilating satellite ocean-colour observations into oceanic ecosystem models. Philosophical Transactions of the Royal Society of London A, 361 (1802). 33-39. 10.1098/rsta.2002.1104

1999

Hemmings, J.C.P.. 1999 Quantitative modelling of spatial variability in the north Atlantic spring phytoplankton bloom. University of Southampton, Faculty of Science, School of Ocean and Earth Science, PhD Thesis, 294pp.

1992

Griffiths, G.; Cunningham, S.; Griffiths, M.; Pollard, R.T.; Leach, H.; Holley, S. ORCID: https://orcid.org/0000-0002-6363-1331; Paylor, R.; Haine, T.W.N.; Rios, A.; Alderson, S.G.; Lowry, R.K.; Smith, P.; Preston, M.; Gwilliam, T.J.P.; Smithers, J.; Hemmings, J.; Anderson, T.R. ORCID: https://orcid.org/0000-0002-7408-1566. 1992 CTD oxygen, tracer and nutrient data from RRS Charles Darwin Cruises 58/59 in the NE Atlantic as part of Vivaldi '91. Wormley, UK, Institute of Oceanographic Sciences Deacon Laboratory, 51pp. (Institute of Oceanographic Sciences Deacon Laboratory Report 296)

Cunningham, S.A.; Griffiths, M.J.; Hemmings, J.; Alderson, S.G.; Griffiths, G.; Pollard, R.T.; Donlan, J.C.; Lancaster, P.; Leach, H.; Lowry, R.K.; Stirling, M.W.; Smith, P.; Gwilliam, T.J.P.; Smithers, J.; Keene, S.; Pearce, R.; Anderson, T.R. ORCID: https://orcid.org/0000-0002-7408-1566; Bowerman, S.; Grohmann, D.. 1992 SeaSoar CTD, fluorescence and scalar irradiance data from RRS Charles Darwin Cruises 58/59. Wormley, UK, Institute of Oceanographic Sciences Deacon Laboratory, 48pp. (Institute of Oceanographic Sciences Deacon Laboratory Report 299)