Adam C. Povey
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View article: A Practical Introduction to Utilising Uncertainty Information in the Analysis of Essential Climate Variables
A Practical Introduction to Utilising Uncertainty Information in the Analysis of Essential Climate Variables Open
An estimate of uncertainty is essential to understanding what information is conveyed by data and how it relates to the wider context of what one intended to measure. It can be difficult to know how to use uncertainty during the analysis o…
View article: The Challenges and Limitations of Validating Satellite-Derived Datasets Using Independent Measurements: Lessons Learned from Essential Climate Variables
The Challenges and Limitations of Validating Satellite-Derived Datasets Using Independent Measurements: Lessons Learned from Essential Climate Variables Open
Validation of satellite-derived essential climate variable (ECV) datasets requires comparison against independent measurements. These independent measurements, which include ground-based, airborne, and other non-satellite-based measurement…
View article: Making Sense of Uncertainties: Ask the Right Question
Making Sense of Uncertainties: Ask the Right Question Open
Earth observation data should inform decision making, but good decisions can only be made if the uncertainties in the data are taken into account. Making sense of uncertainty information can be difficult, because uncertainties represent th…
View article: Geostationary aerosol retrievals of extreme biomass burning plumes during the 2019–2020 Australian bushfires
Geostationary aerosol retrievals of extreme biomass burning plumes during the 2019–2020 Australian bushfires Open
Extreme biomass burning (BB) events, such as those seen during the 2019–2020 Australian bushfire season, are becoming more frequent and intense with climate change. Ground-based observations of these events can provide useful information o…
View article: Characterization of dust aerosols from ALADIN and CALIOP measurements
Characterization of dust aerosols from ALADIN and CALIOP measurements Open
Atmospheric aerosols have pronounced effects on climate at both regional and global scales, but the magnitude of these effects is subject to considerable uncertainties. A major contributor to these uncertainties is an incomplete understand…
View article: Geostationary aerosol retrievals of extreme biomass burning plumes during the 2019–20 Australian bushfires
Geostationary aerosol retrievals of extreme biomass burning plumes during the 2019–20 Australian bushfires Open
Extreme biomass burning (BB) events, such as those seen during the 2019–20 Australian bushfire season, are becoming more frequent and intense with climate change. Ground-based observations of these events can provide useful information on …
View article: Comment on egusphere-2023-2252
Comment on egusphere-2023-2252 Open
Abstract. Atmospheric aerosols have a pronounced effect on climate dynamics at both regional and global scales, but the magnitude of these effects is subject to considerable uncertainties. A major contributor to these unce…
View article: Comment on egusphere-2023-2252
Comment on egusphere-2023-2252 Open
Abstract. Atmospheric aerosols have a pronounced effect on climate dynamics at both regional and global scales, but the magnitude of these effects is subject to considerable uncertainties. A major contributor to these unce…
View article: Characterisation of dust aerosols from ALADIN and CALIOP measurements
Characterisation of dust aerosols from ALADIN and CALIOP measurements Open
Atmospheric aerosols have a pronounced effect on climate dynamics at both regional and global scales, but the magnitude of these effects is subject to considerable uncertainties. A major contributor to these uncertainties is the incomplete…
View article: Uncertainty in aerosol–cloud radiative forcing is driven by clean conditions
Uncertainty in aerosol–cloud radiative forcing is driven by clean conditions Open
Atmospheric aerosols and their impact on cloud properties remain the largest uncertainty in the human forcing of the climate system. By increasing the concentration of cloud droplets (Nd), aerosols reduce droplet size and increase the refl…
View article: Uncertainty in aerosol-cloud radiative forcing is driven by clean conditions
Uncertainty in aerosol-cloud radiative forcing is driven by clean conditions Open
Atmospheric aerosols and their interaction with clouds are the largest uncertainty in the human forcing of the climate system. Anthropogenic emissions have increased aerosol concentrations, increasing the concentration of cloud droplets an…
View article: Comment on acp-2022-642
Comment on acp-2022-642 Open
Abstract. Atmospheric aerosols and their impact on cloud properties remain the largest uncertainty in the human forcing of the climate system. By increasing the concentration of cloud droplets (Nd), aer…
View article: Reply on RC2
Reply on RC2 Open
Abstract. Atmospheric aerosols and their impact on cloud properties remain the largest uncertainty in the human forcing of the climate system. By increasing the concentration of cloud droplets (Nd), aer…
View article: Comment on acp-2022-642
Comment on acp-2022-642 Open
Abstract. Atmospheric aerosols and their impact on cloud properties remain the largest uncertainty in the human forcing of the climate system. By increasing the concentration of cloud droplets (Nd), aer…
View article: Uncertainty-bounded estimates of ash cloud properties using the ORAC algorithm: application to the 2019 Raikoke eruption
Uncertainty-bounded estimates of ash cloud properties using the ORAC algorithm: application to the 2019 Raikoke eruption Open
Uncertainty-bounded satellite retrievals of volcanic ash cloud properties such as ash cloud-top height, effective radius, optical depth and mass loading are needed for the robust quantitative assessment required to warn aviation of potenti…
View article: Uncertainty in aerosol-cloud radiative forcing is driven by clean conditions
Uncertainty in aerosol-cloud radiative forcing is driven by clean conditions Open
Atmospheric aerosols and their impact on cloud properties remain the largest uncertainty in the human forcing of the climate system. By increasing the concentration of cloud droplets (Nd), aerosols reduce droplet size and increase the refl…
View article: Is Anthropogenic Global Warming Accelerating?
Is Anthropogenic Global Warming Accelerating? Open
Estimates of the anthropogenic effective radiative forcing (ERF) trend have increased by 50% since 2000 (from +0.4 W m −2 decade −1 in 2000–09 to +0.6 W m −2 decade −1 in 2010–19), the majority of which is driven by changes in the aerosol …
View article: Comment on amt-2022-166
Comment on amt-2022-166 Open
Abstract. Uncertainty-bounded satellite retrievals of volcanic ash cloud properties such as ash cloud-top height, effective radius, optical depth and mass loading are needed for the robust quantitative assessment required …
View article: Comment on amt-2022-166
Comment on amt-2022-166 Open
Abstract. Uncertainty-bounded satellite retrievals of volcanic ash cloud properties such as ash cloud-top height, effective radius, optical depth and mass loading are needed for the robust quantitative assessment required …
View article: Uncertainty-bounded estimates of ash cloud properties using the ORAC algorithm: Application to the 2019 Raikoke eruption
Uncertainty-bounded estimates of ash cloud properties using the ORAC algorithm: Application to the 2019 Raikoke eruption Open
Uncertainty-bounded satellite retrievals of volcanic ash cloud properties such as ash cloud-top height, effective radius, optical depth and mass loading are needed for the robust quantitative assessment required to warn aviation of potenti…
View article: Opportunistic experiments to constrain aerosol effective radiative forcing
Opportunistic experiments to constrain aerosol effective radiative forcing Open
Aerosol–cloud interactions (ACIs) are considered to be the most uncertain driver of present-day radiative forcing due to human activities. The nonlinearity of cloud-state changes to aerosol perturbations make it challenging to attribute ca…
View article: Referee comment on 'Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing' by Christensen et al.
Referee comment on 'Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing' by Christensen et al. Open
Abstract. Aerosolâcloud interactions (ACIs) are considered to be the most uncertain driver of present-day radiative forcing due to human activities. The nonlinearity of cloud-state changes to aerosol perturbations make i…
View article: Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing
Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing Open
Aerosol-cloud interactions (ACI) are considered to be the most uncertain driver of present-day radiative forcing due to human activities. The non-linearity of cloud-state changes to aerosol perturbations make it challenging to attribute ca…
View article: Supplementary material to "Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing"
Supplementary material to "Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing" Open
View article: Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations
Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations Open
We document and evaluate the aerosol schemes as implemented in the physical and Earth system models, the Global Coupled 3.1 configuration of the Hadley Centre Global Environment Model version 3 (HadGEM3-GC3.1) and the United Kingdom Earth …
View article: Cloud <i>_</i> cci ATSR-2 and AATSR data set version 3: a 17-year climatology of global cloud and radiation properties
Cloud <i>_</i> cci ATSR-2 and AATSR data set version 3: a 17-year climatology of global cloud and radiation properties Open
We present version 3 (V3) of the Cloud_cci Along-Track Scanning Radiometer (ATSR) and Advanced ATSR (AATSR) data set. The data set was created for the European Space Agency (ESA) Cloud_cci (Climate Change Initiative) programme. The cloud p…
View article: The Evaluation of the North Atlantic Climate System in UKESM1 Historical Simulations for CMIP6
The Evaluation of the North Atlantic Climate System in UKESM1 Historical Simulations for CMIP6 Open
Earth system models enable a broad range of climate interactions that physical climate models are unable to simulate. However, the extent to which adding Earth system components changes or improves the simulation of the physical climate is…
View article: Supplementary material to "Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations"
Supplementary material to "Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations" Open
View article: Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations
Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations Open
We document and evaluate the aerosol schemes as implemented in the physical and Earth system models, HadGEM3-GC3.1 (GC3.1) and UKESM1, which are contributing to the 6th Coupled Model Intercomparison Project (CMIP6). The simulation of aeros…
View article: A review and framework for the evaluation of pixel-level uncertainty estimates in satellite aerosol remote sensing
A review and framework for the evaluation of pixel-level uncertainty estimates in satellite aerosol remote sensing Open
Recent years have seen the increasing inclusion of per-retrieval prognostic (predictive) uncertainty estimates within satellite aerosol optical depth (AOD) data sets, providing users with quantitative tools to assist in the optimal use of …