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I study surface-atmosphere exchange of greenhouse gases (carbon dioxide and methane) both in natural and urban environments using micrometeorological techniques. I am an experienced micro-meteorologist with expertise at various levels of the data capture to interpretation chain, which include the development of data acquisition strategies, custom logging programs integrating large numbers of instruments and processes, quality control, analysis, interpretation and synthesis of large datasets and contribution to international databases. My expertise lies in the study and interpretation of greenhouse gases (GHG) exchange between land and atmosphere in natural and urban environments. I have a particular interest in methane emissions from tropical wetlands and I have led research in the Okavango Delta, Botswana, since 2016. I have to date authored 40 peer-reviewed publications and have an h-index of 20.
November 2017 - present: Deputy Group Leader: Biosphere-Atmosphere Exchange and Effects
January 2017 - onwards: Station manager for ICOS-UK category 1 Ecosystem site (Auchencorth Moss)
- OSCA (2019 - ): urban, tall tower monitoring of carbon dioxide and methane fluxes in central London, UK.
- The Global Methane Budget (NERC Highlight project; 2016 - ): Co-I and experimental lead of the Botswana wetlands component.
- GAUGE (Greenhouse gAs UK and Global Emissions; 2013-2016): project manager of the CEH-led ferry-borne and urban tall tower measurement components. Highlights include experimental design (hardware and custom data acquisition software), procurement and deployment of an 8’ shipping container converted into a mobile laboratory onto the DFDS North Sea ferry serving the freight route between Rosyth (Scotland) and Zeebrugge (Belgium).
- InGOS (Integrated non-CO2 Greenhouse gas Observation System; 2012 - 2014), for which I am active as a scientist in both the JRA6 (versatile capabilities of combined tall and flux towers) and the NA5 (quality assurance and quality control of non-CO2 gas flux measurements) work packages. Highlights include the design and implementation of a custom eddy-covariance data acquisition system handling a complex set of instruments (7 CH4 gas analysers and 3 ultrasonic anemometers), publication (co-author) of a benchmark paper inter-comparing the leading CH4 gas analysers, and several presentations at international conferences.
- ClearfLo (Clean air for London) a collaborative project between several UK academic and research institutes aiming at the study of boundary layer pollution across the London conurbation. In the capacity of scientist, I led the CEH contribution to the long-term monitoring part of the project which utilises the centrally-located BT tower for eddy-covariance measurements of CO2, CH4 and CO and I provided custom solutions to other partners wishing to use this unique measurement platform on a campaign basis. Aside from establishing the BT tower as one of the longest, continuous measurement sites for urban CH4 fluxes in a global context, I played a central role in implementing eddy-covariance measurements of NOx. This is currently the longest such dataset on record.
- ECLAIRE (Effects of Climate Change on Air Pollution and Response Strategies for European Ecosystems) which supports the long-term (> 12 years) monitoring of greenhouse gases in a semi-natural peatland near Edinburgh, Scotland (mainly CO2; sporadic episodes of eddy-covariance measurements of CH4 have taken place with the ambition of establishing a long-term, continuous dataset for this greenhouse gas also). My participation is in the capacity of scientist.
- OP3 (Oxidant and Particle Photochemical Processes above a South-East Asian tropical rain forest) where I focused on CO2, heat and momentum exchange between forest canopy and the atmosphere in the capacity of scientist.
- PhD Physics Heriot-Watt University, Edinburgh, UK, 2007
- MSc Physics Swiss Federal Institute of Technology, Lausanne (E.P.F.L.), Switzerland, 2004
- BSc Physics Swiss Federal Institute of Technology, Lausanne (E.P.F.L.), Switzerland, 2002
- 2015-present: member of GEIA (Global Emissions InitiAtive).
- 2013-present: Regular member of the European Geophysical Union
- 2009 - present: Regular member of AsiaFlux.