Paul Griffiths

Paul Griffiths

Ozone, methane, aerosols, atmospheric chemistry, climate modelling

2020 overview

2 minute read

Published:

Second half of 2020 was spent almost entirely on CMIP6 work.

Talks

  • UKESM GA talk
  • ACSIS meeting presentation on OH and CH4 in CCMI REFC1SD simulations

Project meetings

  • Meeting with Cornelius Zetsch and Rolf Sander on tropospheric Cl fields
  • Meeting with Rob Jackson, Sam Abernathy and Cambridge on methane in SSPs
  • hosted UKESM1/AerChemMIP analysis workshop
  • H2 meetings
  • CMIP6 ozone project paper meetings

H2 economy

  • rederive formula for CH4 levels given feedback factors and lifetime changes as in West et al. 2009
  • H2 project meetings

Schmidt Data for Science residency

UKCA SMG

  • Work on UKCA User developer policy
  • UKCA user survey

Supervision of project on ozone budgets

  • drawing on Bates and Jacob, 2020.

Code / Science

  • update figures for Fiona O’Connor’s ERF paper
  • ozone budget and burden analysis for histSST-piVOC and histSST-piNOx experiments
  • ERF for H2 economy emissions changes
  • work on feedback factors in methane and H2 economy jobs
  • work on STE in other models
  • STE analysis for CMIP6 experiments
  • 1960 CH4 methane attribution run
  • work on STE in UKESM1
  • Updates to David Wade’s Samalas paper
  • Updates to Fiona’s ERF paper
  • work on comparing UKESM1 with observations over Malaysia peninsula
  • reviews for JAMES and Atmospheric Environment

Finish CMIP6 updates

  • STE calculations for GISS-E21-G, GFDL-ESM4 and UKESM1-0-LL
  • emissions updates
  • revised OPE calculations
  • update Chapter 6 draft figure of evolution of ozone burden

December frenzy

  • submit JAMES paper for re-review
  • first look at MRI Ozone budget data
  • first look at CCMI REFC1SD
  • finish up tropospheric ozone burden calculation for CESM2-WACCM
  • finish up validation script for tropopsheric ozone burden calculation for GFDL-ESM4
  • review paper for JAMES
  • work on ERF paper review
  • first look at histSST, histSST-piAer, histSST-piCH4 and histSST-piO3 ozone budget data
  • attend Software Carpentry course
  • present at group CH4/H2 meeting, and to Stanford group

January

February

  • Masks on the plane back from BK

  • Organised a nice Cambridge methane meeting on “Bounding the Role of Methane in the Earth System”, at which I gave a talk.

  • Supervisions for B4 and IDP1.

March

  • Started looking at tropospheric oxidising capacity and CMIP6 histSST-piX experiments.

  • UKCA CMG and Chemistry Working Group meetings

  • Start addressing CMIP6 reviewers comments

April

  • Seminar at UKESM group - slides

  • TFHTAP meetings

  • CMIP6 analysis workshop

May

  • EGU online 2020, PICO session

  • ACSIS E2E work

AR6 work

June

  • Talk at UKESM General Assembly slides

  • Talk with Cornelius Zetsch about FeCl work

July

  • Data science registry

November

  • Seminar to UKESM group slides
  • Seminar at CMIP6 / AerChemMIP workshop slides