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Senior Research Associate: Atmospheric Chemistry Modelling of Halogens

Lancaster University - Lancaster Environment Centre

Location: Bailrigg
Salary: £38,205 to £41,732
Hours: Full Time
Contract Type: Fixed-Term/Contract
Placed On: 5th February 2024
Closes: 1st March 2024
Job Ref: 0006-24

(Full time, until 31st August 2025)

Interview date: Friday 22nd March 2024

Lancaster Environment Centre (LEC) are recruiting a Senior Research Associate to improve understanding of atmospheric ozone and halogen chemistry in the upper troposphere and stratosphere. This is an 18-month post initially.

You will work in the research group of Dr Ryan Hossaini on a NERC-funded project ‘why is lower stratospheric ozone not recovering?’. There is strong observational evidence for a persistent and unexplained ozone decline in the extrapolar lower stratosphere. Suggested hypotheses include (1) ozone destruction by iodine chemistry (previously thought unimportant), evidenced by the surprising recent detection of iodine radicals in the lower stratosphere, (2) chlorine chemistry, including industrial emissions of short-lived chlorinated gases, and/or (3) a contribution from long-term lower stratospheric circulation changes. You will perform a range of numerical modelling activities to understand and detangle some of these effects. Your exact duties will be tailored to best match your skills and experience.

We are looking for a technically proficient scientist with an established track record at solving problems using global atmospheric models. The principal research tools being used by the project consortium include the UKCA/UKESM1 chemistry-climate model, the TOMCAT/SLIMCAT chemical transport model (CTM) and the UCI CTM. Experience of one of these models is desirable but we would like to hear from those with relevant experience of other modelling platforms as there is some flexibility in our approach.

Lancaster University is a UK top 10 university and was International University of the Year in 2020 according to the Sunday Times Good University Guide. LEC forms one of the largest and most prestigious groupings of environmental researchers in Europe and is the largest department at the University. The successful candidate will join LEC’s vibrant atmospheric science research community.

Role

As part of the AtMOS research group (lec-atmos.org), you will conduct research under the supervision of Dr Ryan Hossaini. Specific activities will include:

  • Develop an up-to-date representation of gas-phase and aerosol halogen processes in a global atmospheric model.
  • Evaluate the model representation of halogen processes and ozone utilising measurements from past field campaigns.
  • Perform model experiments to quantify the halogen budget (iodine, bromine and chlorine) of the upper troposphere and lower stratosphere.
  • Quantify the impacts of reactive halogens on lower stratospheric ozone and ozone trends.

 Where appropriate you will:

  • Participate in national/international meetings, conferences and workshops to present the results of the project to a wider audience and to learn about current advances in the field.
  • Write research papers and other publications.

You will join us on an indefinite contract however, the role is contingent on external funding which, at this time is due to come to an end on 31 August 2025.

Further details:

Please note: unless specified otherwise in the advert, all advertised roles are UK based.

Find out what it's like to work at Lancaster University, including information on our wide range of employee benefits, support networks and our policies and facilities for a family-friendly workplace.

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