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Prof Hugh Coe, Dr J Allan, Dr P Williams, Prof M Gallagher
No more applications being accepted
Competition Funded PhD Project (UK Students Only)
About the Project
The Centre for Atmospheric Sciences at the University of Manchester is one of only a few groups globally that has developed a substantial capability for airborne measurement of aerosol particles in the atmosphere. It has developed and installed several instruments on the NERC large research aircraft, a BAe-146 (www.faam.ac.uk) and uses these instruments to characterize the chemical and physical properties. The suite of instruments continues to be developed and utilised in a wide range of projects
around the world. Recent additions to our instrument suite include a counter flow virtual impactor, which samples cloud droplets and ice crystals, dries them and then samples the residual particles onto which the cloud formed. Our current instruments for measuring aerosol composition can be coupled to the CVI to examine the residual material in cloud droplets. We are currently installing a chemical ionization time of flight mass spectrometer (ToF-CIMS) that can be configured with an atmospheric pressure interface to
enable it to measure precursors to new particle formation or an iodide ion interface to measure a wide range of halogenated, nitrated and functionalized organic molecules which will provide valuable information. The influence of pollution on clouds and their subsequent effect on the Earth’s radiation budget and precipitation formation remains a very important research area and one where large uncertainties remain. The CVI inlet and the new ToF-CMS instrument provide very useful additions to the suite of aerosol and cloud measurements on the aircraft and there will be several opportunities for using these to investigate aerosol-cloud interactions in the coming years including experiments in warm clouds above the mid-latitude Atlantic Ocean, investigating mixed phase and ice clouds in the Arctic and other studies focussed on polluted regions.
You will make a substantial contribution to at least one of the major aircraft studies taking place in the period 2018-2020. Initially you will be trained in the operation of a number of instruments on the aircraft and learn how to analyse and interpret data from them. The focus of this PhD can be either to develop and characterize new and existing instrumentation such as the counterflow virtual impactor and other instruments that will coupled to it, and the ToF-CIMS, or to lead the data analysis from one of the forthcoming studies, or a combination of the two depending on your interests. This work is highly collaborative and it is expected that you will working with a large number of UK and international research groups during this work.
around the world. Recent additions to our instrument suite include a counter flow virtual impactor, which samples cloud droplets and ice crystals, dries them and then samples the residual particles onto which the cloud formed. Our current instruments for measuring aerosol composition can be coupled to the CVI to examine the residual material in cloud droplets. We are currently installing a chemical ionization time of flight mass spectrometer (ToF-CIMS) that can be configured with an atmospheric pressure interface to
enable it to measure precursors to new particle formation or an iodide ion interface to measure a wide range of halogenated, nitrated and functionalized organic molecules which will provide valuable information. The influence of pollution on clouds and their subsequent effect on the Earth’s radiation budget and precipitation formation remains a very important research area and one where large uncertainties remain. The CVI inlet and the new ToF-CMS instrument provide very useful additions to the suite of aerosol and cloud measurements on the aircraft and there will be several opportunities for using these to investigate aerosol-cloud interactions in the coming years including experiments in warm clouds above the mid-latitude Atlantic Ocean, investigating mixed phase and ice clouds in the Arctic and other studies focussed on polluted regions.
You will make a substantial contribution to at least one of the major aircraft studies taking place in the period 2018-2020. Initially you will be trained in the operation of a number of instruments on the aircraft and learn how to analyse and interpret data from them. The focus of this PhD can be either to develop and characterize new and existing instrumentation such as the counterflow virtual impactor and other instruments that will coupled to it, and the ToF-CIMS, or to lead the data analysis from one of the forthcoming studies, or a combination of the two depending on your interests. This work is highly collaborative and it is expected that you will working with a large number of UK and international research groups during this work.
Funding Notes
This project is one of a number that are in competition for funding from the NERC EAO DTP. Studentships will provide a stipend (currently £14,553 pa), training support fee and UK/EU tuition fees for 3.5 years.
All studentships are available to applicants who have been resident in the UK for 3 years or more and are eligible for home fee rates. Some studentships may be available to UK/EU nationals residing in the EU but outside the UK. Applicants with an International fee status are not eligible for funding.
All studentships are available to applicants who have been resident in the UK for 3 years or more and are eligible for home fee rates. Some studentships may be available to UK/EU nationals residing in the EU but outside the UK. Applicants with an International fee status are not eligible for funding.
References
Mechoso, C. R., et al.: Ocean-Cloud-Atmosphere-Land Interactions in the South Eastern Pacific, Bull. Am.
Meteorol. Soc., 95, 3, 357-375, doi: 10.1175/BAMS-D-11-00246.1, 2014.
Shingler et al.: Characterisation and airborne deployment of a new counterflow virtual impactor inlet, Atmos.
Meas. Tech., 5, 1259–1269, 2012, doi:10.5194/amt-5-1259-2012, 2012.
Taylor, J.W., Allan, J.D., Allen, G., Coe, H., Williams, P.I., Flynn, M.J., Le Breton, M., Muller, J.B.A., Percival,
C.J., Oram, D., Forster, G., Lee, J.D., Rickard, A.R., Parrington, M., Palmer, P.I. Size-dependent wet removal
of black carbon in Canadian biomass burning plumes (2014) Atmospheric Chemistry and Physics, 14 (24), pp.
13755-13771.
Seinfeld, J.H., Bretherton, C., Carslaw, K.S., Coe, H., DeMott, P.J., Dunlea, E.J., Feingold, G., Ghan, S.,
Guenther, A.B., Kahn, R., Kraucunas, I., Kreidenweis, S.M., Molina, M.J., Nenes, A., Penner, J.E., Prather,
K.A., Ramanathan, V., Ramaswamy, V., Rasch, P.J., Ravishankara, A.R., Rosenfeld, D., Stephens, G., and
Wood, R. Improving our fundamental understanding of the role of aerosol-cloud interactions in the climate system (2016) Proc. Natl. Acad. Sci., 113 (21) pp: 5781-5790, DOI: 10.1073/pnas.1514043113
Liu, D., Quennehen, B., Darbyshire, E., Allan, J.D., Williams, P.I., Taylor, J.W., Bauguitte, S.J.B., Flynn, M.J.,Lowe, D., Gallagher, M.W., Bower, K.N., Choularton, T.W., and Coe, H. The importance of Asia as a source of black carbon to the European Arctic during springtime
Meteorol. Soc., 95, 3, 357-375, doi: 10.1175/BAMS-D-11-00246.1, 2014.
Shingler et al.: Characterisation and airborne deployment of a new counterflow virtual impactor inlet, Atmos.
Meas. Tech., 5, 1259–1269, 2012, doi:10.5194/amt-5-1259-2012, 2012.
Taylor, J.W., Allan, J.D., Allen, G., Coe, H., Williams, P.I., Flynn, M.J., Le Breton, M., Muller, J.B.A., Percival,
C.J., Oram, D., Forster, G., Lee, J.D., Rickard, A.R., Parrington, M., Palmer, P.I. Size-dependent wet removal
of black carbon in Canadian biomass burning plumes (2014) Atmospheric Chemistry and Physics, 14 (24), pp.
13755-13771.
Seinfeld, J.H., Bretherton, C., Carslaw, K.S., Coe, H., DeMott, P.J., Dunlea, E.J., Feingold, G., Ghan, S.,
Guenther, A.B., Kahn, R., Kraucunas, I., Kreidenweis, S.M., Molina, M.J., Nenes, A., Penner, J.E., Prather,
K.A., Ramanathan, V., Ramaswamy, V., Rasch, P.J., Ravishankara, A.R., Rosenfeld, D., Stephens, G., and
Wood, R. Improving our fundamental understanding of the role of aerosol-cloud interactions in the climate system (2016) Proc. Natl. Acad. Sci., 113 (21) pp: 5781-5790, DOI: 10.1073/pnas.1514043113
Liu, D., Quennehen, B., Darbyshire, E., Allan, J.D., Williams, P.I., Taylor, J.W., Bauguitte, S.J.B., Flynn, M.J.,Lowe, D., Gallagher, M.W., Bower, K.N., Choularton, T.W., and Coe, H. The importance of Asia as a source of black carbon to the European Arctic during springtime
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