Ben Liley
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View article: Global transport of stratospheric aerosol produced by Ruang eruption from EarthCARE ATLID, limb-viewing satellites and ground-based lidar observations
Global transport of stratospheric aerosol produced by Ruang eruption from EarthCARE ATLID, limb-viewing satellites and ground-based lidar observations Open
The Atmospheric LIDar (ATLID) instrument of the ESA’s Earth Cloud, Aerosol and Radiation Explorer (EarthCARE) satellite mission launched in May 2024 provides high-resolution vertical profiling of aerosols and clouds at 355 nm. Fully operat…
View article: Stratospheric Aerosol layer responses to volcanic and wildfire perturbations
Stratospheric Aerosol layer responses to volcanic and wildfire perturbations Open
The stratospheric aerosol layer plays a critical role in the climate system and is often disrupted by natural phenomena such as volcanic eruptions and extreme wildfire events. These perturbations differ significantly in their injection mag…
View article: Balloon Baseline Stratospheric Aerosol Profiles (B<sup>2</sup>SAP)—Perturbations in the Southern Hemisphere, 2019–2022
Balloon Baseline Stratospheric Aerosol Profiles (B<sup>2</sup>SAP)—Perturbations in the Southern Hemisphere, 2019–2022 Open
Volcanic and pyrocumulonimbus (pyroCB) injections into the stratosphere perturb the aerosol layer and can have important radiative and chemical impacts on timescales spanning from months to several years. Repeated in situ balloon‐borne mea…
View article: Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the southwest Indian Ocean basin in early 2020
Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the southwest Indian Ocean basin in early 2020 Open
During the 2020 austral summer, the pristine atmosphere of the southwest Indian Ocean (SWIO) basin experienced significant perturbations. This study examines the variability of aerosols and carbon monoxide (CO) over this remote oceanic reg…
View article: Novel use of an adapted ultraviolet double monochromator for measurements of global and direct irradiance, ozone, and aerosol
Novel use of an adapted ultraviolet double monochromator for measurements of global and direct irradiance, ozone, and aerosol Open
A novel ultraviolet spectrometer has been developed and tested over 10 years at Lauder, New Zealand. The system, UV2, makes alternating measurements of the global and direct UV irradiance and can therefore be used to measure ozone and aero…
View article: Aerosol-related effects on the occurrence of heterogeneous ice formation over Lauder, New Zealand ∕ Aotearoa
Aerosol-related effects on the occurrence of heterogeneous ice formation over Lauder, New Zealand ∕ Aotearoa Open
The presented study investigates the efficiency of heterogeneous ice formation in natural clouds over Lauder, New Zealand / Aotearoa. Aerosol conditions in the middle troposphere above Lauder are subject to huge contrasts. Clean, pristine …
View article: Comment on egusphere-2023-1946
Comment on egusphere-2023-1946 Open
Abstract. The pristine atmosphere of the southwest Indian Ocean (SWIO) basin underwent significant perturbations during the 2020 austral summer. This study documents the complex variability of aerosols and carbon monoxide (CO) over this re…
View article: Aerosol-related effects on the occurrence of heterogeneous ice formation over Lauder, New Zealand/Aotearoa
Aerosol-related effects on the occurrence of heterogeneous ice formation over Lauder, New Zealand/Aotearoa Open
The presented study investigates the efficiency of heterogeneous ice formation in natural clouds over Lauder, New Zealand/Aotearoa. Aerosol conditions in the middle troposphere above Lauder are subject to huge contrasts. Clean, pristine ai…
View article: RC on amt-2023-107
RC on amt-2023-107 Open
Abstract. A novel ultraviolet spectrometer has been developed and tested over 10 years at Lauder, New Zealand. The system, UV2, makes alternating measurements of the global and direct UV irradiance and can therefore be used to measure ozon…
View article: Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the Southwest Indian Ocean basin in early 2020
Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the Southwest Indian Ocean basin in early 2020 Open
The pristine atmosphere of the southwest Indian Ocean (SWIO) basin underwent significant perturbations during the 2020 austral summer. This study documents the complex variability of aerosols and carbon monoxide (CO) over this remote ocean…
View article: Novel use of a Bentham UV Double Monochromator for measurements of global and direct irradiance, ozone and aerosol
Novel use of a Bentham UV Double Monochromator for measurements of global and direct irradiance, ozone and aerosol Open
A novel ultraviolet spectrometer has been developed and tested over 10 years at Lauder, New Zealand. The system, UV2, makes alternating measurements of the global and direct UV irradiance and can therefore be used to measure ozone and aero…
View article: Stratospheric ozone, UV radiation, and climate interactions
Stratospheric ozone, UV radiation, and climate interactions Open
This assessment provides a comprehensive update of the effects of changes in stratospheric ozone and other factors (aerosols, surface reflectivity, solar activity, and climate) on the intensity of ultraviolet (UV) radiation at the Earth’s …
View article: Ozone, DNA-active UV radiation, and cloud changes for the near-global mean and at high latitudes due to enhanced greenhouse gas concentrations
Ozone, DNA-active UV radiation, and cloud changes for the near-global mean and at high latitudes due to enhanced greenhouse gas concentrations Open
This study analyses the variability and trends of ultraviolet-B (UV-B, wavelength 280–320 nm) radiation that can cause DNA damage. The variability and trends caused by climate change due to enhanced greenhouse gas (GHG) concentrations. The…
View article: Relationship between ozone and biologically relevant UV at 4 NDACC sites
Relationship between ozone and biologically relevant UV at 4 NDACC sites Open
Clouds and aerosols, as well as overhead ozone, can have large effects on ultraviolet (UV) irradiances. We use statistical methods to remove cloud effects and mean aerosol effects from spectral UV irradiance measurements to investigate the…
View article: Global perturbation of stratospheric water and aerosol burden by Hunga eruption
Global perturbation of stratospheric water and aerosol burden by Hunga eruption Open
The eruption of the submarine Hunga volcano in January 2022 was associated with a powerful blast that injected volcanic material to altitudes up to 58 km. From a combination of various types of satellite and ground-based observations suppo…
View article: Global perturbation of stratospheric water and aerosol burden by Hunga eruption
Global perturbation of stratospheric water and aerosol burden by Hunga eruption Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Other. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints prep…
View article: Unexpected Repartitioning of Stratospheric Inorganic Chlorine After the 2020 Australian Wildfires
Unexpected Repartitioning of Stratospheric Inorganic Chlorine After the 2020 Australian Wildfires Open
The inorganic chlorine (Cl y ) and odd nitrogen (NO y ) chemical families influence stratospheric O 3 . In January 2020 Australian wildfires injected record‐breaking amounts of smoke into the southern stratosphere. Within 1–2 months ground…
View article: Comment on egusphere-2022-87
Comment on egusphere-2022-87 Open
Abstract. This study analyses the variability and trends of ultraviolet-B (UV-B, wavelength 280–320 nm) radiation that can cause DNA damage, which are caused by climate change due to enhanced greenhouse gas (GHG) concentrations. The analys…
View article: Ozone and DNA active UV radiation changes for the near global mean and at high latitudes due to enhanced greenhouse gas concentrations
Ozone and DNA active UV radiation changes for the near global mean and at high latitudes due to enhanced greenhouse gas concentrations Open
This study analyses the variability and trends of ultraviolet-B (UV-B, wavelength 280–320 nm) radiation that can cause DNA damage, which are caused by climate change due to enhanced greenhouse gas (GHG) concentrations. The analysis is base…
View article: Australian smoke-charged vortex observations above New Zealand
Australian smoke-charged vortex observations above New Zealand Open
<p>The Australian bushfires of 2019/20 caused a massive injection of combustion products into the stratosphere that led to a persistent planetary-scale perturbation of all stratospheric climate-relevant variables. This extreme event …
View article: Influences of aerosols and thin cirrus clouds on GOSAT XCO<sub>2</sub> and XCH<sub>4</sub> using Total Carbon Column Observing Network, sky radiometer, and lidar data
Influences of aerosols and thin cirrus clouds on GOSAT XCO<sub>2</sub> and XCH<sub>4</sub> using Total Carbon Column Observing Network, sky radiometer, and lidar data Open
The column-averaged, dry air mole fractions of CO2 and CH4 (XCO2 and XCH4, respectively) were retrieved from short-wavelength infrared (SWIR) spectra observed by the Greenhouse gases Observing SATellite (GOSAT). Continuous measurements of …
View article: Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2021
Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2021 Open
The Environmental Effects Assessment Panel of the Montreal Protocol under the United Nations Environment Programme evaluates effects on the environment and human health that arise from changes in the stratospheric ozone layer and concomita…
View article: Influences of aerosols and thin cirrus clouds on GOSAT XCO<sub>2</sub> and XCH<sub>4</sub> using Total Carbon Column Observing Network, sky radiometer, and lidar data
Influences of aerosols and thin cirrus clouds on GOSAT XCO<sub>2</sub> and XCH<sub>4</sub> using Total Carbon Column Observing Network, sky radiometer, and lidar data Open
The column-averaged, dry air mole fractions of CO2 and CH4 (XCO2 and XCH4, respectively) were retrieved from short-wavelength infrared (SWIR) spectra observed by the Greenhouse gases Observing SATellite (GOSAT). Continuous measurements of …
View article: Yet another benefit from sunlight in the fight against COVID‐19?
Yet another benefit from sunlight in the fight against COVID‐19? Open
Linked Article: Cherrie et al. Br J Dermatol 2021; 185:363–370.
View article: Use of Electronic UV Dosimeters in Measuring Personal UV Exposures and Public Health Education
Use of Electronic UV Dosimeters in Measuring Personal UV Exposures and Public Health Education Open
The performance limits of electronic ultraviolet (EUV) dosimeters, which use AlGaN Schottky photodiodes as the ultraviolet radiation (UVR) sensing element to measure personal erythemally weighted UVR exposures, were investigated via a dire…