Climate Chemistry Modelling using the UK Chemistry and Aerosols - - PowerPoint PPT Presentation

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Climate Chemistry Modelling using the UK Chemistry and Aerosols - - PowerPoint PPT Presentation

Mar 28, 2024 410 likes •511 views

Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry Peter Hurley, Marcus Thatcher, Mary Edwards, Holger Wolff and Ashok Luhar With thanks to Colin Johnson, Nick Hannah and Martin Dix ESM

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Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

Peter Hurley, Marcus Thatcher, Mary Edwards, Holger Wolff and Ashok Luhar With thanks to Colin Johnson, Nick Hannah and Martin Dix

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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ESM Future Directions

Atmosphere Atmosphere Atmosphere Atmosphere Atmosphere Atmosphere Land surface Land surface Land surface Land surface Land surface Ocean & sea-ice Ocean & sea-ice Ocean & sea-ice Ocean & sea-ice Sulphate aerosol Sulphate aerosol Sulphate aerosol Non-sulphate aerosol Non-sulphate aerosol Carbon cycle Carbon cycle Atmospheric chemistry

1975 1985 1990 1995 2005 2010-

Atmospheric composition Chemistry Aerosols Greenhouse gases Climate change and oceans Ocean carbon cycle Ocean temperature Sea level change Acidification Human Activities Energy System Agriculture, livestock and Forestry Coastal system Other human systems Ecosystems Terrestrial carbon cycle Un-managed ecosystems Crops and forestry Hydrology

200-300km L30 50km L100

IAM

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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

Chemical Cycles of non-CO2 Gases & Aerosols Stratospheric Chemistry Aerosols Surface Layer Processes & Emissions Tropospheric Chemistry

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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS non-CO2 Gases & Aerosols

  • UM Aerosols (current)
  • CLASSIC Aerosol Scheme (Met Office)
  • UM + UKCA (UK Chemistry & Aerosols Model)
  • Tropospheric Chemistry (Met Office)
  • Stratospheric Chemistry (Cambridge Uni)
  • MODE Aerosol Scheme (Leeds Uni)
  • Surface Layer Processes and Emissions (Sources & Sinks)
  • Integrated Fluxes of Chemical Species
  • Wet and Dry Deposition
  • Atmosphere (UM Physics, e.g. Boundary Layer)
  • Land Surface (UM MOSES transitioning to CSIRO CABLE)
  • Ocean & Sea Ice (AUSCOM – MOM+CICE via OASIS)
  • Anthropogenic Emissions (e.g. IPCC AR5 Databases)
  • Natural Emissions (Databases/Interactive)
  • Add Australian Regional Content? (e.g. Emissions, Processes, etc)
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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry

  • Progress (so far)
  • Model Simulations UM+UKCA vn6.6-7.3
  • Annual Runs (1979, 2000)
  • Decadal Runs (1990-2000)
  • AMIP Style Runs (1980-2000)
  • Model Options
  • Tropospheric Chemistry & CLASSIC Aerosols
  • Sensitivity to Initial Conditions (e.g. 3-d vs constant)
  • Sensitivity to Emissions (e.g. simple scaling of methane)
  • With/without Radiation Feedback (e.g. Methane, Ozone)
  • With/without Interactive Dry Deposition
  • Model Evaluation
  • AGAGE and CSIRO Surface Networks
  • GEMS Chemical Species Reanalyses
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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry

CSIRO Network

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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry

OBS CH4 (ppb) - CSIRO Network

1600 1700 1800 1900 2000 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year Concentration ALT CFA CGO CYA ESP MAA MLO MQA SIS SPO

UKCA CH4 (ppb) - CSIRO Network

1600 1700 1800 1900 2000 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year Concentration ALT CFA CGO CYA ESP MAA MLO MQA SIS SPO

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SLIDE 8
  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry

OBS CO (ppb) - CSIRO Network

100 200 300 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year Concentration ALT CFA CGO CYA ESP MAA MLO MQA SIS SPO

UKCA CO (ppb) - CSIRO Network

100 200 300 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year Concentration ALT CFA CGO CYA ESP MAA MLO MQA SIS SPO

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  • CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry

  • Progress (future)
  • Model Simulations UM+UKCA vn7.3 and beyond
  • AMIP Style Runs (1980-2010)
  • AMIP Style Runs (1980-2010) with Meteorological Nudging
  • CMIP Style Runs (Historic/Future)
  • IPCC AR6 Contribution
  • Model Options
  • Tropospheric Chemistry & CLASSIC Aerosols
  • Tropospheric/Stratospheric Chemistry & CLASSIC Aerosols
  • Tropospheric/Stratospheric Chemistry & MODE Aerosols
  • Process Development (e.g. linkages to ACCESS Components)
  • Emissions Development (e.g. Regional, Natural, Interactive)
  • Model Evaluation
  • AGAGE and CSIRO Surface Networks
  • GEMS Chemical Species Reanalyses
  • Satellite Products
  • Ground-Based Profilers