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Personal profile

Personal Statement

The oceans play a hugely important role in the global carbon cycle and in energy transport mechanisms that influence world climate. Monitoring oceans is difficult due to the vast areas involved, the harsh environmental conditions and the rapid temporal variability of marine biogeochemical systems. Optical sensors can provide information about biological and mineral particles and dissolved substances. The technology is particularly suitable as optical sensors can be deployed on a variety of platforms, from satellites and aircraft to in situ moorings and underwater vehicles. David’s research is currently focused on improving the quality of products obtained from ocean colour remote sensing signals and in situ optical measurements of absorption, scattering and fluorescence. He is also interested in development of new platforms for optical instruments in oceanography such as micro-satellites for Earth observation and in situ profiling moorings. The research combines significant time spent at sea making measurements, numerical simulation of underwater and water leaving light fields and statistical data analysis. Most of the work is concentrated on optically complex shelf seas (e.g. Bristol Channel, Irish Sea, Mediterranean) where the influence of terrestrial and anthropogenic sources are strongest, though more recently he has started to develop interests in optical complexity in more open ocean areas that are subject to episodic inputs of wind-borne particulates. A key element of David’s NERC Fellowships has been the development of several very successful collaborations with partners in UK and international institutions.

Industrial Relevance

David has recently undertaken consultancy work on a European Space Agency funded contract to establish baseline knowledge for the next generation of ESA ocean colour sensors. This work was sub-contracted through contacts with ARGANS, a very promising young consultancy business, and facilitated further development of links with colleagues at HZG in Germany.

David has also established strong links with WETLabs Inc. Research Division (Rhode Island, USA), a major developer and supplier of optical oceanographic instrumentation. This work includes development of improved scattering corrections for in situ absorption and attenuation sensors as well as development of a spectral deconvolution method for interpretation of optical signals.

Research Interests

Our group is interested in problems of radiance transfer in seawater, light utilisation by phytoplankton, optical monitoring of ecological processes, and remote sensing in the marine environment. These problems all involve the application of physical principles in an interdisciplinary context. Activities range from in situ measurement of optical properties at sea from ships and other platforms, through radiative transfer simulations of underwater and water leaving light fields, to development of new algorithms for interpretation of ocean colour remote sensing data from satellite-borne sensors.

Keywords

  • Marine Optics
  • Remote Sensing
  • Optics
  • Oceanography
  • Marine Biology
  • Phytoplankton
  • Marine Sediments
  • Biogeochemistry
  • Ocean Colour
  • Absorption
  • Scattering
  • Multiple Scattering
  • Radiative Transfer
  • Flow Cytometry

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

optical property Earth & Environmental Sciences
optical properties Agriculture & Biology
coastal water Physics & Astronomy
remote sensing Earth & Environmental Sciences
ocean color Earth & Environmental Sciences
phytoplankton Earth & Environmental Sciences
backscattering Physics & Astronomy
scattering Physics & Astronomy

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Projects 2004 2021

Research Output 2002 2018

2 Citations

Evaluation of a flow cytometry method to determine size and real refractive index distributions in natural marine particle populations

Agagliate, J., Röttgers, R., Twardowski, M. S. & McKee, D. 1 Mar 2018 In : Applied Optics. 57, 7, p. 1705-1716 12 p.

Research output: Contribution to journalArticle

cytometry
particle size distribution
refractivity
evaluation
Netherlands

Forward modeling of inherent optical properties from flow cytometry estimates of particle size and refractive index

Agagliate, J., Lefering, I. & McKee, D. 10 Mar 2018 In : Applied Optics. 57, 8, p. 1777-1788 12 p.

Research output: Contribution to journalArticle

cytometry
refractivity
particle size distribution
optical properties
root-mean-square errors

Prizes

NERC Advanced Fellowship

David McKee (Recipient), 2007

Prize: Fellowship awarded competitively

Activities 2007 2016

Invited Talk

McKee, D. (Contributor)
Jan 2016

Activity: Invited talk

NERC Field Spectroscopy Facility (External organisation)

McKee, D. (Member)
May 2015

Activity: Membership of committee