Mark A. Ringer
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View article: A Case Report of Thyroid Storm with Cardiovascular Collapse After Propranolol Administration
A Case Report of Thyroid Storm with Cardiovascular Collapse After Propranolol Administration Open
Introduction: Thyroid storm is a rare, life-threatening emergency with a 3.6-17% mortality rate despite proper management. Elevated levels of circulating thyroid hormones can increase metabolic demand, leading to adverse effects on multipl…
View article: Earth's Energy Imbalance More Than Doubled in Recent Decades
Earth's Energy Imbalance More Than Doubled in Recent Decades Open
Global warming results from anthropogenic greenhouse gas emissions which upset the delicate balance between the incoming sunlight, and the reflected and emitted radiation from Earth. The imbalance leads to energy accumulation in the atmosp…
View article: Addressing non-linearities when estimating radiative feedbacks associated with different historical forcing agents
Addressing non-linearities when estimating radiative feedbacks associated with different historical forcing agents Open
Understanding how radiative feedbacks respond to different historical forcing agents (e.g. aerosols or greenhouse gases) improves our ability to relate historical changes (1850-2014) to future projections. This is often investigated using …
View article: Feedbacks, Pattern Effects, and Efficacies in a Large Ensemble of HadGEM3‐GC3.1‐LL Historical Simulations
Feedbacks, Pattern Effects, and Efficacies in a Large Ensemble of HadGEM3‐GC3.1‐LL Historical Simulations Open
Climate feedbacks over the historical period (here defined as 1850–2014) have been investigated in large ensembles of historical and single forcing experiments (hist‐ghg, hist‐aer, and hist‐nat), with 47 members for each experiment. Across…
View article: Hysteresis in ocean heat uptake prevents polar climate reversibility in HadGEM3-GC3.1-LL climate model.
Hysteresis in ocean heat uptake prevents polar climate reversibility in HadGEM3-GC3.1-LL climate model. Open
The reversibility of climate change has seen much discussion – in particular through consideration of scenarios that overshoot a warming target before being cooled through carbon sequestration. The uptake of heat into the deep ocean during…
View article: Feedbacks, Pattern Effects, and Efficacies in a Large Ensemble of HadGEM3-GC3.1-LL Historical Simulations
Feedbacks, Pattern Effects, and Efficacies in a Large Ensemble of HadGEM3-GC3.1-LL Historical Simulations Open
Climate feedbacks over the historical period (1850–2014) have been investigated in large ensembles of historical, hist-ghg, hist-aer, and hist-nat experiments, with 47 members for each experiment. Across the historical ensemble with all fo…
View article: Efficacies, pattern effects & radiative feedback in a large ensemble of HadGEM3-GC3.1-LL historical simulations
Efficacies, pattern effects & radiative feedback in a large ensemble of HadGEM3-GC3.1-LL historical simulations Open
Climate feedbacks over the historical period have been investigated in a 47 member ensemble of atmosphere-ocean general circulation model (AOGCM) simulations. Here, the model response to historical forcing, as well as individual forcing co…
View article: Global and Regional Climate Feedbacks in Response to Uniform Warming and Cooling
Global and Regional Climate Feedbacks in Response to Uniform Warming and Cooling Open
We compare the radiative feedbacks in an ensemble of global climate models under uniform 4 K warming and cooling of sea surface temperatures. The global‐mean net feedback is less stabilizing under warming in all nine models. This results p…
View article: Arctic Sea Ice Causes Seasonal Differences in the Response of Arctic Water Vapor to Climate Warming in the CMIP6 Model, HadGEM3‐GC3.1
Arctic Sea Ice Causes Seasonal Differences in the Response of Arctic Water Vapor to Climate Warming in the CMIP6 Model, HadGEM3‐GC3.1 Open
Water vapor in the Arctic can be attributed to local evaporation and transport from mid‐latitudes. Here we investigate the response of Arctic water vapor to declining sea ice in a climate model, using an idealized warming scenario in which…
View article: Global and regional climate feedbacks in response to uniform warming and cooling
Global and regional climate feedbacks in response to uniform warming and cooling Open
We compare the radiative feedbacks resulting from a uniform warming and cooling of sea surface temperatures by 4 K in an ensemble of global climate models. The global-mean net feedback is less stabilising in response to warming in all nine…
View article: Data in support of "Global and regional climate feedbacks in response to uniform warming and cooling"
Data in support of "Global and regional climate feedbacks in response to uniform warming and cooling" Open
This data supports the following publication:Ringer, M. A. et al. (2023). Global and regional climate feedbacks in repsonse to uniform warming and cooling. Accepted for publication in J. Geophys. Res. Atmos.tas_global_land_sea.csvGlobal-me…
View article: Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity
Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Geophysical Research - Atmospheres. ESSOAr is a venue for early communication or feedback before peer review. Data may be pre…
View article: Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity
Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity Open
An observationally constrained time series of historical aerosol effective radiative forcing (ERF) from 1750 to 2019 is developed in this study. We find that the time history of aerosol ERFs diagnosed in CMIP6 models exhibits considerable …
View article: Aerosol-forced AMOC changes in CMIP6 historical simulations.
Aerosol-forced AMOC changes in CMIP6 historical simulations. Open
<div> <p>The Atlantic Meridional Overturning Circulation (AMOC) has been, and will continue to be, a key factor in the modulation of climate change both locally and globally. However, there remains considerable uncertainty in r…
View article: Projecting Global Mean Sea-Level Change Using CMIP6 Models
Projecting Global Mean Sea-Level Change Using CMIP6 Models Open
<p>The effective climate sensitivity (EffCS) of models in the Coupled Model Intercomparison Project 6 (CMIP6) has increased relative to CMIP5. Consequently, using CMIP6 models tends to lead to larger projections of global mean surfac…
View article: Past, present and future aerosol forcing derived from CMIP6
Past, present and future aerosol forcing derived from CMIP6 Open
<p>Aerosol forcing remains the most uncertain component of the total climate forcing on the Earth system. RFMIP and AerChemMIP contained experiments that allow us to determine time-slice present day (2014 minus 1850) from 17 CMIP6 mo…
View article: Projecting Global Mean Sea‐Level Change Using CMIP6 Models
Projecting Global Mean Sea‐Level Change Using CMIP6 Models Open
The effective climate sensitivity (EffCS) of models in the Coupled Model Intercomparison Project 6 (CMIP6) has increased relative to CMIP5. We explore the implications of this for global mean sea‐level (GMSL) change projections in 2100 for…
View article: Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity
Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Geophysical Research - Atmospheres. ESSOAr is a venue for early communication or feedback before peer review. Data may be pre…
View article: Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity
Energy Budget Constraints on the Time History of Aerosol Forcing and Climate Sensitivity Open
Earth and Space Science Open Archive This work has been accepted for publication in Journal of Geophysical Research - Atmospheres. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preli…
View article: Aerosol‐Forced AMOC Changes in CMIP6 Historical Simulations
Aerosol‐Forced AMOC Changes in CMIP6 Historical Simulations Open
The Atlantic Meridional Overturning Circulation (AMOC) has been, and will continue to be, a key factor in the modulation of climate change both locally and globally. However, there remains considerable uncertainty in recent AMOC evolution.…
View article: The impact of performance filtering on climate feedbacks in a perturbed parameter ensemble
The impact of performance filtering on climate feedbacks in a perturbed parameter ensemble Open
A key contribution to the latest generation of climate projections for the UK (UKCP18) was a perturbed parameter ensemble (PPE) of global coupled models based on HadGEM3-GC3.05. Together with 13 CMIP5 simulations, this PPE provides users w…
View article: Historical Simulations With HadGEM3‐GC3.1 for CMIP6
Historical Simulations With HadGEM3‐GC3.1 for CMIP6 Open
We describe and evaluate historical simulations which use the third Hadley Centre Global Environment Model in the Global Coupled configuration 3.1 (HadGEM3‐GC3.1) and which form part of the UK's contribution to the sixth Coupled Model Inte…
View article: Aerosol-forced AMOC changes in CMIP6 historical simulations.
Aerosol-forced AMOC changes in CMIP6 historical simulations. Open
<p>The Atlantic Meridional Overturning Circulation (AMOC) has been, and will continue to be, a key factor in the modulation of climate change both locally and globally. Reliable simulations of its decadal to century-timescale evoluti…
View article: A sea ice-free Arctic during the Last Interglacial supports fast future loss
A sea ice-free Arctic during the Last Interglacial supports fast future loss Open
<p>The Last Interglacial (LIG) is a period of great importance as an analog for future climate change. Global sea level was 6-9 m higher than present. Stronger LIG summertime insolation at high northern latitudes drove Arctic land su…
View article: Comparison of Postoperative Opioid Consumption and Pain Scores in Primary Versus Repeat Cesarean Delivery in Opioid Naïve Patients
Comparison of Postoperative Opioid Consumption and Pain Scores in Primary Versus Repeat Cesarean Delivery in Opioid Naïve Patients Open
Background: Cesarean deliveries represent a large percentage of deliveries worldwide. Patients undergoing repeat cesarean deliveries are known to have increased risks for surgical complications. However, little is known regarding potential…