Details of Award
NERC Reference : NER/T/S/2000/01075
Impact of iodine compounds on the coupling of NOx and HOx chemistry in the marine boundary layer, the troposphere, and the lower stratosphere.
Grant Award
- Principal Investigator:
- Professor R Wayne, University of Oxford, Oxford Chemistry
- Grant held at:
- University of Oxford, Oxford Chemistry
- Science Area:
- None
- Overall Classification:
- Atmospheric
- ENRIs:
- Global Change
- Science Topics:
- Atmospheric Kinetics
- Biogeochemical Cycles
- Ocean - Atmosphere Interact.
- Climate & Climate Change
- Abstract:
- The iodine oxide radical IO, and the dioxide OIO, are present at high concentrations in some atmospheric environments. Iodine chemistry affects the coupling of HOx and NOx in the atmosphere. The reaction of IO and CH3O2 (or other RO2) has not been studied experimentally, and almost nothing is known about the chemistry of OIO (eg reactions with NO and NO3). We propose a laboratory kinetic and mechanistic study of these reactions, using discharge-flow methods. Techniques to detect atoms and radicals will include two novel methods: cavity ring-down spectroscopy (being developed by the collaborators specifically to study IO and NO2), and chemical ionization mass spectrometry (being developed by the PI to investigate peroxy radicals). Modelling studies of atmospheric behaviour employing the new data will be conducted by one of the collaborators.
- NERC Reference:
- NER/T/S/2000/01075
- Grant Stage:
- Completed
- Scheme:
- Directed Pre FEC
- Grant Status:
- Closed
- Programme:
- Core Strategic Measurements
This grant award has a total value of £155,131
FDAB - Financial Details (Award breakdown by headings)
| Total - Staff | Total - T&S | Total - Other Costs | Total - Equipment | Total - Indirect Costs |
|---|---|---|---|---|
| £61,815 | £409 | £16,297 | £38,433 | £38,177 |
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