Jim Haywood
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View article: Efficacy assessment of Stratospheric Aerosol Scrubbing as a Counter Climate Intervention strategy
Efficacy assessment of Stratospheric Aerosol Scrubbing as a Counter Climate Intervention strategy Open
View article: Assessing combinations of regional MCB designed to target multiple climate response objectives
Assessing combinations of regional MCB designed to target multiple climate response objectives Open
Marine Cloud Brightening (MCB) is a proposed method of Solar Radiation Modification (SRM). MCB proposes the injection of sea salt aerosols into marine clouds to enhance their reflectivity aiming to counteract greenhouse gas (GHG) driven wa…
View article: G6-1.5K-SAI and G6sulfur: changes in impacts and uncertainty depending on stratospheric aerosol injection strategy in the Geoengineering Model Intercomparison Project
G6-1.5K-SAI and G6sulfur: changes in impacts and uncertainty depending on stratospheric aerosol injection strategy in the Geoengineering Model Intercomparison Project Open
We report initial results for G6-1.5K-SAI, a climate model experiment proposed by the Geoengineering Model Intercomparison Project (GeoMIP). G6-1.5K-SAI, which simulates a stratospheric aerosol injection (SAI) to limit global warming to ∼ …
View article: G6-1.5K-MCB: Marine Cloud Brightening Scenario design for the Geoengineering Model Intercomparison Project (GeoMIP) in CESM2.1, E3SMv2.0, and UKESM1.1
G6-1.5K-MCB: Marine Cloud Brightening Scenario design for the Geoengineering Model Intercomparison Project (GeoMIP) in CESM2.1, E3SMv2.0, and UKESM1.1 Open
We present a protocol for scenario simulations of marine cloud brightening (MCB) solar radiation modification (SRM), which we design for inclusion as a bridge simulation in the Geoengineering Model Intercomparison Project (GeoMIP). This pr…
View article: A framework to holistically investigate processes controlling the aerosol lifecycle using explainable AI techniques
A framework to holistically investigate processes controlling the aerosol lifecycle using explainable AI techniques Open
General circulation models (GCMs) face significant uncertainties in estimating Earth's radiative budget due to aerosol-cloud interactions (ACI). To improve the representation of ACI in GCMs it is crucial to constrain processes controlling …
View article: Supplementary material to "A framework to holistically investigate processes controlling the aerosol lifecycle using explainable AI techniques"
Supplementary material to "A framework to holistically investigate processes controlling the aerosol lifecycle using explainable AI techniques" Open
View article: How well are aerosol–cloud interactions represented in climate models? – Part 2: Isolating the aerosol impact on clouds following the 2014–2015 Holuhraun eruption
How well are aerosol–cloud interactions represented in climate models? – Part 2: Isolating the aerosol impact on clouds following the 2014–2015 Holuhraun eruption Open
Aerosols significantly influence Earth's radiative balance, yet considerable uncertainty exists in the underpinning mechanisms, particularly those involving clouds. Aerosol–cloud interactions (ACIs) are the most uncertain element in anthro…
View article: Solar Radiation Modification is projected to increase land carbon storage and to protect the Amazon rainforest
Solar Radiation Modification is projected to increase land carbon storage and to protect the Amazon rainforest Open
Solar radiation modification (SRM) aims to artificially cool the Earth, counteracting warming from anthropogenic greenhouse gases by increasing the reflection of incoming sunlight. One SRM strategy is stratospheric aerosol injection (SAI),…
View article: Supplementary material to "Solar Radiation Modification is projected to increase land carbon storage and to protect the Amazon rainforest"
Supplementary material to "Solar Radiation Modification is projected to increase land carbon storage and to protect the Amazon rainforest" Open
View article: A Risk‐Risk Assessment of Climate Extremes: Comparing Greenhouse Gas Warming and Stratospheric Aerosol Injection in UKESM1
A Risk‐Risk Assessment of Climate Extremes: Comparing Greenhouse Gas Warming and Stratospheric Aerosol Injection in UKESM1 Open
This study investigates the potential of Stratospheric Aerosol Injection (SAI), a solar climate intervention strategy, to mitigate climate extremes driven by greenhouse gas (GHG) emissions, comparing its effects to those of GHG‐induced war…
View article: Representing extreme fires and their radiative effects in a global climate model via variable scaling of emissions: Case study of the 2020 California wildfires
Representing extreme fires and their radiative effects in a global climate model via variable scaling of emissions: Case study of the 2020 California wildfires Open
An accurate representation of biomass burning aerosol emissions is essential in Earth System Models to capture aerosol properties and reduce uncertainties in their interactions with radiation and climate. Sources of wildfire smoke include …
View article: Supplementary material to "Impacts of the Icelandic Holuhraun volcanic eruption on cloud properties using regional model cloud-aerosol simulations"
Supplementary material to "Impacts of the Icelandic Holuhraun volcanic eruption on cloud properties using regional model cloud-aerosol simulations" Open
View article: Impacts of the Icelandic Holuhraun volcanic eruption on cloud properties using regional model cloud-aerosol simulations
Impacts of the Icelandic Holuhraun volcanic eruption on cloud properties using regional model cloud-aerosol simulations Open
Aerosol-cloud interactions remain a significant uncertainty in climate prediction, largely due to the complexity of measuring and modelling these processes. Volcanic eruptions, such as the Holuhraun event in 2014, offer valuable opportunit…
View article: Cloud Susceptibility and Climate Sensitivity to Midlatitude Marine Cloud Brightening
Cloud Susceptibility and Climate Sensitivity to Midlatitude Marine Cloud Brightening Open
View article: How marine cloud brightening could also affect stratospheric ozone
How marine cloud brightening could also affect stratospheric ozone Open
Stratospheric ozone plays a crucial role in life and ecosystems on Earth, with a vast amount of research focused on the effects of human activities on ozone. Yet, impacts of tropospheric climate intervention methods like marine cloud brigh…
View article: Marine Cloud Brightening to Cool the Arctic : an Earth System Model Comparison.
Marine Cloud Brightening to Cool the Arctic : an Earth System Model Comparison. Open
View article: Reduced Winter‐Time Clear Air Turbulence in the Trans‐Atlantic Region Under Stratospheric Aerosol Injection
Reduced Winter‐Time Clear Air Turbulence in the Trans‐Atlantic Region Under Stratospheric Aerosol Injection Open
Clear air turbulence (CAT) is a safety threat within the aviation sector and is projected to worsen under global warming. Stratospheric aerosol injection (SAI) is a climate intervention strategy that aims to ameliorate climate change by ar…
View article: Corrigendum: World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research
Corrigendum: World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research Open
View article: How well are aerosol–cloud interactions represented in climate models? – Part 2: Isolating the aerosol impact on clouds following the 2014–15 Holuhraun eruption
How well are aerosol–cloud interactions represented in climate models? – Part 2: Isolating the aerosol impact on clouds following the 2014–15 Holuhraun eruption Open
Aerosols significantly influence Earth’s radiative balance, yet considerable uncertainty exists in the underpinning mechanisms, particularly those involving clouds. These aerosol-cloud interactions (ACIs) are the most uncertain element in …
View article: World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research
World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research Open
It is increasingly evident that maintaining global warming at levels below those agreed in the legally binding international treaty on climate change. i.e., the Paris Agreement, is going to be extremely challenging using conventional mitig…
View article: The transport history of African biomass burning aerosols arriving in the remote Southeast Atlantic marine boundary layer and their impacts on cloud properties
The transport history of African biomass burning aerosols arriving in the remote Southeast Atlantic marine boundary layer and their impacts on cloud properties Open
The transport of African biomass burning aerosols (BBAs) and their impacts on cloud formation and properties over the Southeast Atlantic (SEA) remain one of the largest sources of uncertainty in understanding climate effects across this re…
View article: Climate intervention research in the World Climate Research Programme: a perspective
Climate intervention research in the World Climate Research Programme: a perspective Open
The 2023 World Climate Research Programme (WCRP) Open Science Conference underscored the critical need for increased climate change mitigation and adaptation efforts, along with enhanced climate knowledge and decision-making systems. This …
View article: How does the latitude of stratospheric aerosol injection affect the climate in UKESM1?
How does the latitude of stratospheric aerosol injection affect the climate in UKESM1? Open
Stratospheric aerosol injection (SAI) refers to a climate intervention method by which aerosols are intentionally added to the lower stratosphere to enhance sunlight reflection and offset some of the adverse effects of global warming. The …
View article: Reduced winter-time Clear Air Turbulence in the trans-Atlantic region under Stratospheric Aerosol Injection
Reduced winter-time Clear Air Turbulence in the trans-Atlantic region under Stratospheric Aerosol Injection Open
Clear air turbulence (CAT) is a safety threat within the aviation sector and is projected to worsen under global warming. Stratospheric aerosol injection (SAI) is a climate intervention strategy that aims to ameliorate climate change by ar…
View article: A protocol for model intercomparison of impacts of marine cloud brightening climate intervention
A protocol for model intercomparison of impacts of marine cloud brightening climate intervention Open
A modeling protocol (defined by a series of climate model simulations with specified model output) is introduced. Studies using these simulations are designed to improve the understanding of climate impacts using a strategy for climate int…
View article: Projected future changes in extreme precipitation over China under stratospheric aerosol intervention in the UKESM1 climate model
Projected future changes in extreme precipitation over China under stratospheric aerosol intervention in the UKESM1 climate model Open
Extreme precipitation events are linked to severe economic losses and casualties in China every year; hence, exploring the potential mitigation strategies to minimize these events and their changes in frequency and intensity under global w…
View article: What are the health system impacts of engaging with global health activity? A qualitative study
What are the health system impacts of engaging with global health activity? A qualitative study Open
Background Global health partnerships between high-income health systems and low- and middle-income countries (LMICs) are becoming more common as there is an appreciation of the need for collaboration to solve global health issues through …
View article: In-plume and out-of-plume analysis of aerosol–cloud interactions derived from the 2014–2015 Holuhraun volcanic eruption
In-plume and out-of-plume analysis of aerosol–cloud interactions derived from the 2014–2015 Holuhraun volcanic eruption Open
Aerosol effective radiative forcing (ERF) has persisted as the most uncertain aspect of anthropogenic forcing over the industrial period, limiting our ability to constrain estimates of climate sensitivity and to confidently predict 21st ce…
View article: Multifaceted aerosol effects on precipitation
Multifaceted aerosol effects on precipitation Open
View article: Comment on egusphere-2024-1565
Comment on egusphere-2024-1565 Open
Abstract. Stratospheric Aerosol Injection (SAI) refers to a climate intervention method by which aerosols are intentionally added to the lower stratosphere to enhance sunlight reflection and offset some of the adverse effe…