I. E. Galbally
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View article: Observational ozone datasets over the global oceans and polar regions (version 2024)
Observational ozone datasets over the global oceans and polar regions (version 2024) Open
Studying tropospheric ozone over the remote areas of the planet, such as the open oceans and the polar regions, is crucial to understand the role of ozone as a global climate forcer and regulator of atmospheric oxidative capacity. A focus …
View article: Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024
Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024 Open
Studying tropospheric ozone over the remote areas of the planet, such as the open oceans and the polar regions, is crucial to understand the role of ozone as a global climate forcer and regulator of atmospheric oxidative capacity. A focus …
View article: Radiative impact of improved global parameterisations of oceanic dry deposition of ozone and lightning-generated NO <sub> <i>x</i> </sub>
Radiative impact of improved global parameterisations of oceanic dry deposition of ozone and lightning-generated NO <sub> <i>x</i> </sub> Open
We investigated the radiative impact of recent process-based improvements to oceanic ozone (O3) dry deposition parameterisation and empirical improvements to lightning-generated oxides of nitrogen (LNOx) parameterisation by conducting a 5-…
View article: Christian Junge – a pioneer in global atmospheric chemistry
Christian Junge – a pioneer in global atmospheric chemistry Open
Christian Junge (1912–1996) is considered by many to be the founder of the modern discipline of atmospheric chemistry. In studies from the 1950s through the 1970s, Junge was able to link chemical measurements in a few scattered locations a…
View article: Comment on acp-2022-275
Comment on acp-2022-275 Open
We investigate the impact of recent process-based and empirical improvements to oceanic ozone dry deposition parameterisation and lightning-generated NOx (LNOx) parameterisation on radiative fluxes by conducting a 5-year simulation of the …
View article: Radiative impact of improved global parameterisations of oceanic dry deposition of ozone and lightning-generated NO <sub>x</sub>
Radiative impact of improved global parameterisations of oceanic dry deposition of ozone and lightning-generated NO <sub>x</sub> Open
We investigate the impact of recent process-based and empirical improvements to oceanic ozone dry deposition parameterisation and lightning-generated NOx (LNOx) parameterisation on radiative fluxes by conducting a 5-year simulation of the …
View article: Assessing and improving cloud-height-based parameterisations of global lightning flash rate, and their impact on lightning-produced NO <sub> <i>x</i> </sub> and tropospheric composition in a chemistry–climate model
Assessing and improving cloud-height-based parameterisations of global lightning flash rate, and their impact on lightning-produced NO <sub> <i>x</i> </sub> and tropospheric composition in a chemistry–climate model Open
Although lightning-generated oxides of nitrogen (LNOx) account for only approximately 10 % of the global NOx source, they have a disproportionately large impact on tropospheric photochemistry due to the conducive conditions in the tropical…
View article: Tropospheric ozone in CMIP6 simulations
Tropospheric ozone in CMIP6 simulations Open
The evolution of tropospheric ozone from 1850 to 2100 has been studied using data from Phase 6 of the Coupled Model Intercomparison Project (CMIP6). We evaluate long-term changes using coupled atmosphere–ocean chemistry–climate models, foc…
View article: Seasonal Variation of Biogenic and Anthropogenic VOCs in a Semi-Urban Area Near Sydney, Australia
Seasonal Variation of Biogenic and Anthropogenic VOCs in a Semi-Urban Area Near Sydney, Australia Open
Volatile organic compounds (VOCs) play a key role in the formation of ozone and secondary organic aerosol, the two most important air pollutants in Sydney, Australia. Despite their importance, there are few available VOC measurements in th…
View article: Assessing and improving cloud-height based parameterisations of global lightning flash rate, and their impact on lightning-produced NO <sub>x</sub> and tropospheric composition
Assessing and improving cloud-height based parameterisations of global lightning flash rate, and their impact on lightning-produced NO <sub>x</sub> and tropospheric composition Open
Although lightning-generated oxides of nitrogen (LNOx) account for only approximately 10 % of the global NOx source, it has a disproportionately large impact on tropospheric photochemistry due to the conducive conditions in the tropical up…
View article: Tropospheric ozone in CMIP6 Simulations
Tropospheric ozone in CMIP6 Simulations Open
The evolution of tropospheric ozone from 1850 to 2100 has been studied using data from Phase 6 of the Coupled Model Intercomparison Project (CMIP6). We evaluate long-term changes using coupled atmosphere-ocean chemistry-climate models, foc…
View article: Tropospheric Ozone Assessment Report
Tropospheric Ozone Assessment Report Open
Our understanding of the processes that control the burden and budget of tropospheric ozone has changed dramatically over the last 60 years. Models are the key tools used to understand these changes, and these underscore that there are man…
View article: Multi-decadal surface ozone trends at globally distributed remote locations
Multi-decadal surface ozone trends at globally distributed remote locations Open
Extracting globally representative trend information from lower tropospheric ozone observations is extremely difficult due to the highly variable distribution and interannual variability of ozone, and the ongoing shift of ozone precursor e…
View article: A Clean Air Plan for Sydney: An Overview of the Special Issue on Air Quality in New South Wales
A Clean Air Plan for Sydney: An Overview of the Special Issue on Air Quality in New South Wales Open
This paper presents a summary of the key findings of the special issue of Atmosphere on Air Quality in New South Wales and discusses the implications of the work for policy makers and individuals. This special edition presents new air qual…
View article: Comprehensive aerosol and gas data set from the Sydney Particle Study
Comprehensive aerosol and gas data set from the Sydney Particle Study Open
The Sydney Particle Study involved the comprehensive measurement of meteorology, particles and gases at a location in western Sydney during February–March 2011 and April–May 2012. The aim of this study was to increase scientific understand…
View article: Composition of Clean Marine Air and Biogenic Influences on VOCs during the MUMBA Campaign
Composition of Clean Marine Air and Biogenic Influences on VOCs during the MUMBA Campaign Open
Volatile organic compounds (VOCs) are important precursors to the formation of ozone and fine particulate matter, the two pollutants of most concern in Sydney, Australia. Despite this importance, there are very few published measurements o…
View article: Comprehensive aerosol and gas data set from the Sydney Particle Study
Comprehensive aerosol and gas data set from the Sydney Particle Study Open
The Sydney Particle Study involved the comprehensive measurement of meteorology, particles and gases at a location in western Sydney during February/March 2011 and April/May 2012. The aim of this study was to increase scientific knowledge …
View article: Tropospheric Ozone Assessment Report: Tropospheric ozone from 1877 to 2016, observed levels, trends and uncertainties
Tropospheric Ozone Assessment Report: Tropospheric ozone from 1877 to 2016, observed levels, trends and uncertainties Open
From the earliest observations of ozone in the lower atmosphere in the 19th century, both measurement methods and the portion of the globe observed have evolved and changed. These methods have different uncertainties and biases, and the da…
View article: Urban Air Quality in a Coastal City: Wollongong during the MUMBA Campaign
Urban Air Quality in a Coastal City: Wollongong during the MUMBA Campaign Open
We present findings from the Measurements of Urban, Marine and Biogenic Air (MUMBA) campaign, which took place in the coastal city of Wollongong in New South Wales, Australia. We focus on a few key air quality indicators, along with a comp…
View article: Characterizing Atmospheric Transport Pathways to Antarctica and the Remote Southern Ocean Using Radon-222
Characterizing Atmospheric Transport Pathways to Antarctica and the Remote Southern Ocean Using Radon-222 Open
We discuss remote terrestrial influences on boundary layer air over the Southern Ocean and Antarctica, and the mechanisms by which they arise, using atmospheric radon observations as a proxy. Our primary motivation was to enhance the scien…
View article: Isoprene and monoterpene emissions in south-east Australia: comparison of a multi-layer canopy model with MEGAN and with atmospheric observations
Isoprene and monoterpene emissions in south-east Australia: comparison of a multi-layer canopy model with MEGAN and with atmospheric observations Open
One of the key challenges in atmospheric chemistry is to reduce the uncertainty of biogenic volatile organic compound (BVOC) emission estimates from vegetation to the atmosphere. In Australia, eucalypt trees are a primary source of biogeni…
View article: A revised global ozone dry deposition estimate based on a new two-layer parameterisation for air–sea exchange and the multi-year MACC composition reanalysis
A revised global ozone dry deposition estimate based on a new two-layer parameterisation for air–sea exchange and the multi-year MACC composition reanalysis Open
Dry deposition at the Earth's surface is an important sink of atmospheric ozone. Currently, dry deposition of ozone to the ocean surface in atmospheric chemistry models has the largest uncertainty compared to deposition to other surface ty…
View article: Comparison of VOC measurements made by PTR-MS, adsorbent tubes–GC-FID-MS and DNPH derivatization–HPLC during the Sydney Particle Study, 2012: a contribution to the assessment of uncertainty in routine atmospheric VOC measurements
Comparison of VOC measurements made by PTR-MS, adsorbent tubes–GC-FID-MS and DNPH derivatization–HPLC during the Sydney Particle Study, 2012: a contribution to the assessment of uncertainty in routine atmospheric VOC measurements Open
Understanding uncertainty is essential for utilizing atmospheric volatile organic compound (VOC) measurements in robust ways to develop atmospheric science. This study describes an inter-comparison of the VOC data, and the derived uncertai…
View article: Isoprene and monoterpene emissions in Australia: comparison of a multi-layer canopy model with MEGAN and with atmospheric concentration observations
Isoprene and monoterpene emissions in Australia: comparison of a multi-layer canopy model with MEGAN and with atmospheric concentration observations Open
One of the key challenges in atmospheric chemistry is to reduce the uncertainty of biogenic emission estimates from vegetation to the atmosphere. In Australia, eucalypt trees are a primary source of biogenic emissions, but their contributi…
View article: Biomass burning at Cape Grim: exploring photochemistry using multi-scale modelling
Biomass burning at Cape Grim: exploring photochemistry using multi-scale modelling Open
We have tested the ability of a high-resolution chemical transport model (CTM) to reproduce biomass burning (BB) plume strikes and ozone (O3) enhancements observed at Cape Grim in Tasmania, Australia, from the Robbins Island fire. The CTM …
View article: Revising global ozone dry deposition estimates based on a new mechanistic parameterisation for air-sea exchange and the multi-year MACC composition reanalysis
Revising global ozone dry deposition estimates based on a new mechanistic parameterisation for air-sea exchange and the multi-year MACC composition reanalysis Open
Dry deposition at the Earth’s surface is an important sink of atmospheric ozone. Currently, dry deposition of ozone to the ocean surface in atmospheric chemistry models has the largest uncertainty compared to deposition to other surface ty…
View article: The MUMBA campaign: measurements of urban, marine and biogenic air
The MUMBA campaign: measurements of urban, marine and biogenic air Open
The Measurements of Urban, Marine and Biogenic Air (MUMBA) campaign took place in Wollongong, New South Wales (a small coastal city approximately 80 km south of Sydney, Australia) from 21 December 2012 to 15 February 2013. Like many Austra…