Ian Simmonds

Origins of Barents-Kara sea-ice interannual variability modulated by the Atlantic pathway of El Niño-Southern Oscillation.

Binhe Luo, Dehai Luo, Yao Ge, Aiguo Dai, Lin Wang, Ian Simmonds, Cunde Xiao, Lixin Wu, Yao Yao

Journal article  |  2023  |  Nat Commun

Winter Arctic sea-ice concentration (SIC) decline plays an important role in Arctic amplification which, in turn, influences Arcti..

The key atmospheric drivers linking regional Arctic amplification with East Asian cold extremes

Wenqin Zhuo, Yao Yao, Dehai Luo, Ian Simmonds, Fei Huang

Journal article  |  2022  |  ATMOSPHERIC RESEARCH

Across the winters of 1999–2011, both the frequency of extreme cold events in East Asia and the Arctic Amplification showed an upw..

An assessment of observed wind speed and wind power density over China for 1980–2021

M Li, Y Shen, J Yao, D Ye, J Fan, I Simmonds

Journal article  |  2022  |  Wind Energy

The spatiotemporal characteristics of the near-surface wind speed (NWS), wind speed at 100 m hub height (HWS), and wind power dens..

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

Wenqin Zhuo, Yao Yao, Dehai Luo, Ian Simmonds, Fei Huang

Journal article  |  2022  |  ENVIRONMENTAL RESEARCH LETTERS

This study explores the consequences of independent and combined effects of blockings on the northeast Asian cold vortex (NACV), a..

The modulation of Interdecadal Pacific Oscillation and Atlantic Multidecadal Oscillation on winter Eurasian cold anomaly via the Ural blocking change

Binhe Luo, Dehai Luo, Aiguo Dai, Ian Simmonds, Lixin Wu

Journal article  |  2022  |  CLIMATE DYNAMICS

Observations reveal distinct interdecadal winter Eurasian cold anomaly (ECA) centered over central Eurasia (40°–60° N, 60°–120° E)..

Decadal Variability of Winter Warm Arctic-Cold Eurasia Dipole Patterns Modulated by Pacific Decadal Oscillation and Atlantic Multidecadal Oscillation

Binhe Luo, Dehai Luo, Aiguo Dai, Ian Simmonds, Lixin Wu

Journal article  |  2022  |  EARTHS FUTURE

In recent decades, the winter surface air temperature (SAT) anomaly in the Northern Hemisphere has exhibited a warm Arctic-cold Eu..

Linkages between the atmospheric transmission originating from the North Atlantic Oscillation and persistent winter haze over Beijing

Muyuan Li, Yao Yao, Ian Simmonds, Dehai Luo, Linhao Zhong, Lin Pei

Journal article  |  2021  |  ATMOSPHERIC CHEMISTRY AND PHYSICS

In this study, the persistent winter haze that occurred over Beijing during 1980 to 2016 is examined using reanalysis and station ..

A Connection of Winter Eurasian Cold Anomaly to the Modulation of Ural Blocking by ENSO

Binhe Luo, Dehai Luo, Aiguo Dai, Ian Simmonds, Lixin Wu

Journal article  |  2021  |  GEOPHYSICAL RESEARCH LETTERS

This study investigates how El Niño-Southern Oscillation (ENSO) modulates winter cold anomalies over central Eurasia (CE) using re..

Trends and variability in polar sea ice, global atmospheric circulations, and baroclinicity

Ian Simmonds, Muyuan Li

Journal article  |  2021  |  ANNALS OF THE NEW YORK ACADEMY OF SCIENCES

We analyze the polar sea ice distribution and the global sea level pressure (SLP) and baroclinicity distributions over the "satell..

Antarctic skin temperature warming related to enhanced downward longwave radiation associated with increased atmospheric advection of moisture and temperature

Kazutoshi Sato, Ian Simmonds

Journal article  |  2021  |  ENVIRONMENTAL RESEARCH LETTERS

We investigate linear trends in Antarctic skin temperatures (temperatures from about the top millimeter of the surface) over the f..