Ian Simmonds
YOU?
Author Swipe
View article: Stakeholder perspectives on the feasibility and uptake of the cardiovascular polypill in South Africa
Stakeholder perspectives on the feasibility and uptake of the cardiovascular polypill in South Africa Open
Background Cardiovascular disease (CVD) remains the leading global cause of death, disproportionately affecting low- and middle- income countries (LMICs). Complex treatment regimens compromise adherence and health system delivery. Cardiova…
View article: Recent Accelerated Decadal Shift in Winter North American Temperature Patterns Under Pacific‐Atlantic Decadal Variability
Recent Accelerated Decadal Shift in Winter North American Temperature Patterns Under Pacific‐Atlantic Decadal Variability Open
Global warming and internal climate variability have changed winter temperature extreme regimes in North America, affecting droughts and wildfires in the western United States. However, how internal climate variability influences North Ame…
View article: Impacts of Background Conditions on the Evolutionary Disparities between Greenland and Euro-Atlantic Blocking
Impacts of Background Conditions on the Evolutionary Disparities between Greenland and Euro-Atlantic Blocking Open
In this paper, we investigate the contrasting evolutionary behaviors and weather impacts of Greenland blocking and Euro-Atlantic blocking. The comprehensive analysis reveals that Greenland blocking is characterized by substantial amplitude…
View article: Causality in the Winter Interaction Between Extratropical Storm Tracks, Atmospheric Circulation, and Arctic Sea Ice Loss
Causality in the Winter Interaction Between Extratropical Storm Tracks, Atmospheric Circulation, and Arctic Sea Ice Loss Open
Global warming is accelerating the decline of Arctic sea ice, with wide‐ranging impacts on the Earth's climate system. Using ERA5 data from 1980 to 2023, we investigated the relationship between winter extratropical storm tracks, atmospher…
View article: Rapid summer Russian Arctic sea-ice loss enhances the risk of recent Eastern Siberian wildfires
Rapid summer Russian Arctic sea-ice loss enhances the risk of recent Eastern Siberian wildfires Open
In recent decades boreal wildfires have occurred frequently over eastern Siberia, leading to increased emissions of carbon dioxide and pollutants. However, it is unclear what factors have contributed to recent increases in these wildfires.…
View article: Origins of Barents-Kara sea-ice interannual variability modulated by the Atlantic pathway of ENSO
Origins of Barents-Kara sea-ice interannual variability modulated by the Atlantic pathway of ENSO Open
Winter Arctic sea-ice concentration (SIC) decline plays an important role in Arctic amplification which, in turn, influences Arctic ecosystems, midlatitude weather and climate. SIC over the Barents-Kara Seas (BKS) shows large inter- a…
View article: Rapid summer Russian Arctic sea-ice loss enhances the risk of recent Eastern Siberian wildfires
Rapid summer Russian Arctic sea-ice loss enhances the risk of recent Eastern Siberian wildfires Open
In recent decades wildfires have occurred frequently over eastern Siberia, which favors increased atmospheric carbon dioxide and air pollution. However, it is not well understood what factors have contributed to the recent increase in thes…
View article: Increased Summer European Heatwaves in Recent Decades: Contributions From Greenhouse Gases‐Induced Warming and Atlantic Multidecadal Oscillation‐Like Variations
Increased Summer European Heatwaves in Recent Decades: Contributions From Greenhouse Gases‐Induced Warming and Atlantic Multidecadal Oscillation‐Like Variations Open
Summer heatwaves over Europe, which can cause many deaths and severe damage, have become increasingly frequent over central and eastern Europe and western Russia in recent decades. In this paper, we estimate the contributions of the warmin…
View article: Impact of synoptic circulation patterns on renewable energy-related variables over China
Impact of synoptic circulation patterns on renewable energy-related variables over China Open
This study investigates the influence of atmospheric circulation patterns on the day-to-day variabilities of renewable energy- and demand-related variables (temperature, wind speed, and sunshine duration) over China in winter. Circulation …
View article: The key atmospheric drivers linking regional Arctic amplification with East Asian cold extremes
The key atmospheric drivers linking regional Arctic amplification with East Asian cold extremes Open
Across the winters of global warming and Arctic amplification (AA) era, the frequency of extreme cold events in East Asia (EA) showed an upward trend. Here we constructed regional AA index in the winters of 1979–2019, and exami…
View article: Origins of Barents-Kara sea-ice interannual variability modulated by the Atlantic pathway of El Niño–Southern Oscillation
Origins of Barents-Kara sea-ice interannual variability modulated by the Atlantic pathway of El Niño–Southern Oscillation Open
View article: Intraseasonal Winter Sea Ice Seesaw between the Bering and Okhotsk Seas Due to North Pacific Blocking
Intraseasonal Winter Sea Ice Seesaw between the Bering and Okhotsk Seas Due to North Pacific Blocking Open
View article: An assessment of observed wind speed and wind power density over China for 1980–2021
An assessment of observed wind speed and wind power density over China for 1980–2021 Open
The spatiotemporal characteristics of the near‐surface wind speed (NWS), wind speed at 100 m hub height (HWS), and wind power density (WPD) over China are assessed during 1980–2021. A homogenization process is applied to NWS at 292 basic m…
View article: Combined impact of the cold vortex and atmospheric blocking on cold outbreaks over East Asia and the potential for short-range prediction of such occurrences
Combined impact of the cold vortex and atmospheric blocking on cold outbreaks over East Asia and the potential for short-range prediction of such occurrences Open
This study explores the consequences of independent and combined effects of blockings on the northeast Asian cold vortex (NACV), and corresponding cold outbreaks over East Asia (EA) during boreal winters of 1979–2019. The results show that…
View article: Origins of the interannual variability of sea ice over the Barents-Kara Seas: Atlantic pathway of the ENSO modulation
Origins of the interannual variability of sea ice over the Barents-Kara Seas: Atlantic pathway of the ENSO modulation Open
The decline of Arctic sea ice concentration (SIC) plays an important role in Arctic amplification which influences Arctic ecosystem, midlatitude weather and climate. The Arctic SIC shows prominent interannual and interdecadal variability. …
View article: Climatological study of frontal precipitation over the Mediterranean
Climatological study of frontal precipitation over the Mediterranean Open
<p>It is well known that severe weather and heavy precipitation are closely connected to the presence or passage of cold fronts over a region. In this study, the MedFTS_DT scheme, developed recently for the identification of cold fro…
View article: The Physical Significance for Decomposing The Nao into the High and the Low
The Physical Significance for Decomposing The Nao into the High and the Low Open
View article: Decadal Variability of Winter Warm Arctic‐Cold Eurasia Dipole Patterns Modulated by Pacific Decadal Oscillation and Atlantic Multidecadal Oscillation
Decadal Variability of Winter Warm Arctic‐Cold Eurasia Dipole Patterns Modulated by Pacific Decadal Oscillation and Atlantic Multidecadal Oscillation Open
In recent decades, the winter surface air temperature (SAT) anomaly in the Northern Hemisphere has exhibited a warm Arctic‐cold Eurasia (WACE) dipole pattern and this has undergone significant decadal variation. In this paper, the physical…
View article: Linkages between the atmospheric transmission originating from the North Atlantic Oscillation and persistent winter haze over Beijing
Linkages between the atmospheric transmission originating from the North Atlantic Oscillation and persistent winter haze over Beijing Open
In this study, the persistent winter haze that occurred over Beijing during 1980 to 2016 is examined using reanalysis and station data. On both interannual and daily-to-weekly timescales, the winter haze weather in Beijing is found to be a…
View article: Comment on acp-2020-823
Comment on acp-2020-823 Open
Abstract. In this study, the persistent winter haze that occurred over Beijing during 1980 to 2016 is examined using reanalysis and station data. On both interannual and daily-to-weekly timescales, the winter haze weather …
View article: A Connection of Winter Eurasian Cold Anomaly to the Modulation of Ural Blocking by ENSO
A Connection of Winter Eurasian Cold Anomaly to the Modulation of Ural Blocking by ENSO Open
This study investigates how El Niño‐Southern Oscillation (ENSO) modulates winter cold anomalies over central Eurasia (CE) using reanalysis data during 1950–2019. It is found that ENSO can significantly influence winter air temperature over…
View article: Antarctic skin temperature warming related to enhanced downward longwave radiation associated with increased atmospheric advection of moisture and temperature
Antarctic skin temperature warming related to enhanced downward longwave radiation associated with increased atmospheric advection of moisture and temperature Open
We investigate linear trends in Antarctic skin temperatures (temperatures from about the top millimeter of the surface) over the four seasons using ERA5 ensemble mean reanalysis data. During 1950–2020, statistically significant warming occ…
View article: A Mediterranean cold front identification scheme combining wind and thermal criteria
A Mediterranean cold front identification scheme combining wind and thermal criteria Open
The goal of this study is to advance an automated and objective scheme for the identification of cold fronts over the Mediterranean based on wind‐related criteria, MedFTS, by further incorporating thermal criteria, in order to improve the …
View article: Global analysis of cyclone-induced compound precipitation and wind extreme events
Global analysis of cyclone-induced compound precipitation and wind extreme events Open
Compound extremes, which involve extremes in two or more meteorological parameters, have received little attention until now. We present a new global climatology of compound events that involve extreme precipitation and extreme wind and th…
View article: Antarctic Peninsula warm winters influenced by Tasman Sea temperatures
Antarctic Peninsula warm winters influenced by Tasman Sea temperatures Open
View article: Roles of wave trains and synoptic Rossby waves in creating midlatitude temperature extremes during winter
Roles of wave trains and synoptic Rossby waves in creating midlatitude temperature extremes during winter Open
<p>Rossby waves, found in the westerly flow at the upper troposphere, transfer energy, moisture, and momentum across large distances, being responsible for atmospheric teleconnections. Large-amplitude waves may contribute to rapid ch…
View article: The use of dose quantities in radiological protection: ICRP publication 147 Ann ICRP 50(1) 2021
The use of dose quantities in radiological protection: ICRP publication 147 Ann ICRP 50(1) 2021 Open
The International Commission on Radiological Protection has recently published a report (ICRP Publication 147; Ann. ICRP 50 , 2021) on the use of dose quantities in radiological protection, under the same authorship as this Memorandum. Her…
View article: ICRP Publication 147: Use of Dose Quantities in Radiological Protection
ICRP Publication 147: Use of Dose Quantities in Radiological Protection Open
View article: Atmospheric transmission patterns which promote persistent winter haze over Beijing
Atmospheric transmission patterns which promote persistent winter haze over Beijing Open
The persistent winter haze episodes that occurred in Beijing over the period 1980 to 2016 are examined based on both reanalysis and station data. On both interannual and intra-seasonal timescales, winter haze weather in Beijing is found to…
View article: Collaborative impact of the NAO and atmospheric blocking on European heatwaves, with a focus on the hot summer of 2018
Collaborative impact of the NAO and atmospheric blocking on European heatwaves, with a focus on the hot summer of 2018 Open
Two intense heatwaves of July and early August 2018 are found to be associated with a European blocking (EB) event accompanied by a series of consecutive positive North Atlantic Oscillation (NAO + ) events. Further analyses show that the c…