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Geo-engineering approaches to climate change

thesis
posted on 2023-03-15, 11:18 authored by DAVIDE MARCHEGIANI
Geoengineering is a discipline that aims to alter the climate to mitigate climate change impacts. Solar Radiation Management (SRM) plans to achieve this by reducing the amount of solar radiation absorbed within the Earth. Here, we evaluate SRM frameworks in an attempt to mitigate surface temperature and precipitation changes arising from increased atmospheric CO2. In chapter 1, we achieve the desired outcome by using an optimised SRM implementation. In chapter 2, we find increased precipitation reduction in experiments forced with quadrupled CO2 rather than increased solar radiation. Finally, in chapter 3, we reduce rainfall change by applying atmospheric heat fluxes.

History

Campus location

Australia

Principal supervisor

Dietmar Dommenget

Additional supervisor 1

Shayne McGregor

Year of Award

2023

Department, School or Centre

Earth, Atmosphere and Environment

Additional Institution or Organisation

The ARC Centre of Excellence for Climate Extremes (CLEX)

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Faculty

Faculty of Science