National Physical Laboratory

Paul Green

Paul Green


Dr Paul Green is a Senior Research Scientist in the Earth Observation, Climate & Optical Group at the National Physical Laboratory (NPL), Teddington, UK. Paul's professional experience in earth observation science and atmospheric physics centres on the design, build and operation of EO instrument from ground, aircraft and satellite platforms to better understand a wide variety of atmospheric and surface geophysical phenomena.

Current interests

Paul's research interests in the optimisation of Earth Observation dataset quality, through the development of pre-flight and in-orbit calibration and characterisation techniques for EO sensors, principally in the UV-VIS-NIR spectral domain, together with the validation of EO datasets through comparison with other satellite sensors and ground-based and airborne reference sensors. This focus is expressed across a number of key projects, including the design and building of optical ground support equipment (OGSE) andvia the H2020 GAIA-CLIM project, to study our ability to validate satellite datasets from ground-based reference sensors through the rigorous understanding of the uncertainty quantification and propagation within this process. Paul works on the NPL-proposed TRUTHS satellite, leading the development of the on-satellite instrument suite and its in-laboratory demonstrator.


Paul received the MPhys Physics degree from the University of Manchester, UK, in 1998 and the PhD degree from Imperial College London in 2003. From 2003-2011, he took up a position of postdoctoral research associate at Imperial College London, where his research focused on infra-red spectroscopy of the atmosphere, water vapour and ice clouds to better understand the processes that control the energy budget of the Earth's atmosphere. Since 2011, he has held the post of Senior Research Scientist at NPL.

Paul is a Chartered Physicist, Fellow of the Royal Meteorological Society and a Member of the Institute of Physics. He has held the position of Honorary Secretary of the Institute of Physics Environmental Physics Group committee since 2014.

Selected publications

  • The Traceable Radiometry Underpinning Terrestrial and Helio Studies (TRUTHS) mission
    Green P.D., Fox N.P., Lobb, D., Friend, J.
    Proc. SPIE 9639, Sensors, Systems, and Next-Generation Satellites XIX, 96391C, 2015; doi: 10.1117/12.2192593
  • Hemispherical-Directional Reflectance (HDRF) of Windblown Snow-Covered Arctic Tundra at Large Solar Zenith Angles
    Ball, C. P., Marks, A. A., Green, P. D., MacArthur, A., Maturilli, M., Fox, N. P. and King, M. D.
    IEEE Transactions on Geoscience and Remote Sensing,53 (10), 537-5387, 2015; doi:10.1109/TGRS.2015.2421733
  • Analysis of far-infrared spectral radiance observations of the water vapor continuum in the Arctic
    Fox, C., Green, P. D., Pickering, J. C. and Humpage, N.
    Journal of Quantitative Spectroscopy and Radiative Transfer, 155, 57-65, 2015; doi:10.1016/j.jqsrt.2015.01.001
  • Traceable Radiometry Underpinning Terrestrial and Helio Studies (TRUTHS): A benchmark mission for climate
    Fox, N.P., Green, P.D., Brindley, H., Russell, J.E., Smith, D., Lobb, D., Cutter, M., Barnes, A.
    International Conference on Space Optics, 4.66534, Tenerife, Spain October (2014)
  • TRUTHS (Traceable Radiometry Underpinning Terresrial- and Helio- Studies ): A Mission to achieve 'climate quality' data
    Fox, N., Green, P.D., Brindley, H., Russell, J., Smith, D., Lobb, D. … Barnes, A
    2013, In Proc. ESA Living Planet Symposium 2013, Edinburgh, UK 9-13 September 2013 (ESA SP-722, December 2013) (Vol. 2013, p. s254)
  • Effect of polytetrafluoroethylene (PTFE) phase transition at 19°C on the use of Spectralon as a reference standard for reflectance
    Ball, C. P., Levick, A. P., Woolliams, E. R., Green, P. D., Dury, M. R., Winkler, R. … King, M. D
    Applied Optics, 52 (20), 4806-12, 2013; doi:10.1364/AO.52.004806
  • Recent advances in measurement of the water vapour continuum in the far-infrared spectral region
    Green, P. D., Newman, S. M., Beeby, R. J., Murray, J. E., Pickering, J. C. and Harries, J. E.
    2012, Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences, 370 (1968), 2637-55. doi:10.1098/rsta.2011.0263
  • Airborne and satellite remote sensing of the mid-infrared water vapour continuum
    Newman, S. M., Green, P. D., Ptashnik, I. V, Gardiner, T. D., Coleman, M. D., McPheat, R. A. and Smith, K. M.
    Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences, 370 (1968), 2611-36, 2012; doi:10.1098/rsta.2011.0223
  • Measurement and simulation of mid- and far-infrared spectra in the presence of cirrus
    Cox, C. V., Harries, J. E., Taylor, J. P., Green, P. D., Baran, A. J., Pickering, J. C. … Murray, J. E.
    Quarterly Journal of the Royal Meteorological Society, 136 (648), 718-739, 2010; doi:10.1002/qj.596
  • Clear-sky far-infrared measurements observed with TAFTS during the EAQUATE campaign, September 2004
    Cox, C. V., Murray, J. E., Taylor, J. P., Green, P. D., Pickering, J. C., Harries, J. E. and Last, A. E.
    Quarterly Journal of the Royal Meteorological Society, 133(S3), 273-283; doi:10.1002/qj.159

Contact details

Tel: 020 8943 6780

Last Updated: 10 Dec 2015
Created: 12 Nov 2015


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