• Brunel University London Featured PhD Programmes
  • University of Glasgow Featured PhD Programmes
  • University College London Featured PhD Programmes
  • Ross University School of Veterinary Medicine Featured PhD Programmes
  • University of Glasgow Featured PhD Programmes
  • University of Nottingham Featured PhD Programmes
  • University of Birmingham Featured PhD Programmes
  • University of Warwick Featured PhD Programmes
University of Strathclyde Featured PhD Programmes
University of Glasgow Featured PhD Programmes
University of Southampton Featured PhD Programmes
EPSRC Featured PhD Programmes
University of Bristol Featured PhD Programmes

Contribution of near-infrared bands of greenhouse gases to radiative forcing

This project is no longer listed in the FindAPhD
database and may not be available.

Click here to search the FindAPhD database
for PhD studentship opportunities
  • Full or part time
    Prof Keith Shine
    Dr C Chiu
  • Application Deadline
    Applications accepted all year round
  • Self-Funded PhD Students Only
    Self-Funded PhD Students Only

Project Description

The most important driver of climate change due to human activity is changes in concentrations of the greenhouse gases such as carbon dioxide and methane. The classic description of the greenhouse effects is that gases exert their influence on climate by altering fluxes of thermal infrared radiation (wavelengths 4 to 500 microns) emitted and absorbed by the Earth’s surface and atmosphere. These gases also absorb incoming radiation from the sun and in particular at near-infrared (NIR) wavelengths (0.7 to 4 microns). Until now, most studies have included NIR absorption by CO2 and water vapour, but have paid less attention to other gases.

This project focuses on methane which possesses a number of NIR absorption bands which are narrow regions of intense absorption, determined by the molecule’s structure, and vary in strength across the NIR. Methane concentrations have doubled over the past century and could double again by 2100. After CO¬2, methane is the second-most important contributor to climate change due to human activity.

Several studies indicate that methane’s NIR bands may be important but the contribution has not been quantified in detail. In particular, the impact depends on other atmospheric properties, such as clouds and water vapour, which vary strongly with altitude, latitude and season.

The project is based around numerical modeling of atmospheric radiative fluxes to achieve the most detailed description of methane’s NIR effect to date. It includes components which exploit existing observations including a major update to the main spectroscopic database used within atmospheric sciences, performing comparisons of simulations with measurements, and uses satellite retrievals of methane’s distribution. A number of alternative research avenues are possible for the latter part of the project, depending on student’s preferences. These could include considering NIR absorption of other molecules, or examining the response of the atmosphere to changes in methane concentration in more detail.

The student will gain detailed knowledge in atmospheric radiative transfer, as well as aspects of molecular spectroscopy. The student will also gain understanding of the main drivers of climate change, and the methodologies used to quantify their effect. The student will develop broader skills in numerical modelling, scientific computing and the handling and analysis of large datasets, and will have many opportunities to present their work to different audiences.

The project is supervised by Keith Shine (University of Reading), and co-supervised by Christine Chiu (University of Reading).

The full project description is available at: http://www.met.reading.ac.uk/nercdtp/home/available/desc/SC201609.pdf

A video is also available at https://youtu.be/roHM5liGmyA

Funding Notes

This project is for students with their own funding.

To apply for this PhD project please visit http://www.met.reading.ac.uk/nercdtp/home/apply.html

This project would be suitable for students with a degree (at least upper 2nd class) in physics, mathematics or a closely related environmental or physical science, or a suitable equivalent Masters qualification. No prior knowledge of atmospheric science is needed.

How good is research at University of Reading in Earth Systems and Environmental Sciences?

FTE Category A staff submitted: 75.68

Research output data provided by the Research Excellence Framework (REF)

Click here to see the results for all UK universities
Share this page:

Cookie Policy    X