We had an interesting and engaging meeting in Leeds last April, 2025. Thanks to Martyn Chipperfield and Chris Wilson for hosting this.
The agenda is below. If you are member of the Science Team the talks can be viewed in this password protected area of the website. Please get in touch with Aoife (Aoife.grant@bristol.ac.uk) if you would like to access these.
InHALE Meeting Agenda
Tuesday 1st & Wednesday 2nd April 2025
Tuesday 1st April
- Welcome, Introductions & Project Intro (Matt Rigby, Bristol)
- Defra priorities from a policy perspective and discussions on how the science community can support (Avani Sharma, Defra)
Very short-lived substances – WP3
- WP3 Overview (Ryan Hossaini, Lancaster)
- Ocean emissions of dichloromethane and chloroform (Lyndsay Ives, York)
- Updated estimates of global dichloromethane emissions and a metric to estimate the impact on stratospheric ozone (Zihao Wang, Leeds)
- Revisiting chloroform emissions and emission factors from wood pulp production (Andrea Mazzeo, Lancaster)
Stakeholder Engagement- WP6
- WP6 – Priorities for the 2026 Ozone Assessment (Lucy Carpenter, York)
- Strengthening the Montreal Protocol to secure further significant greenhouse gas emission reductions in the future – EIA Perspectives (Clare Perry, EIA)
New Measurements – WP1
WP1 Overview (Kieran Stanley, Bristol)
Halocarbons at Cape Verde (Thomas Derrah, York)
Emissions, Production & banks of regulated species – WP2
- WP2 Overview – Ozone Depletion (Martyn Chipperfield, Leeds)
- HFC-23: Global and regional emissions discrepancies, and modelling in-atmosphere production (Ben Adam, Bristol)
- Overview of annual updates of the AGAGE data and top-down global emissions estimates & Status update on RAC and foam comparisons with the global top-down emissions (Matt Rigby, Bristol)
- Ingesting the new UEA observational data from east Asia into InTEM (Alistair Manning, Indept.)
- Predictions for the future uptake of Heat Pump technologies – impact on f-gas consumption & emissions (Tim Thurman, Gluckman Consulting)
HFOs Environmental Impacts – WP4
- WP4 Overview – Production of HFC-23, PFC-14 and CFC-13 from the atmospheric oxidation of hydrofluoroolefins and hydrochlorofluoroolefins by ozone (Andrew Orr-Ewing, Bristol)
- Laboratory chamber studies of CF3H and CF4 production from ozonolysis of HFOs (Maria Garavagno, Bristol)
- Trifluoroacetic acid (TFA) production from oxidation of hydrofluoroolefins (Rayne Holland, Bristol)
- Growth in production and deposition of trifluoroacetic acid due to long-lived CFC replacements and anaesthetics’ (Lucy Hart, Lancaster)
Ozone layer recovery, climate & metrics – WP5
- WP5 Overview (Shine)
- WP5.1 Contribution of low-wavenumber absorption to halocarbon radiative forcing (Daniela Alvarado, Pisa/Reading)
- WP5.2 Direct and indirect halocarbon effective radiative forcing from UKESM (Bill Collins/Gill Thornhill, Reading)
- WP5.3: Plans for calculations of climate impact of halocarbons using UKESM coupled runs from UKESM (Michaela Hegglin, Reading)
- WP5.5: Plans for ozone recovery calculations (Martyn Chipperfield, Leeds)
Perspectives from the Steering Committee