Results 111 to 120 of about 5,189 (258)

Upstream influence of midlatitude jet stream biases in boreal summer

Atmospheric Science Letters
Climate models exhibit biases in the mean state and in variability across different regions of the Earth. For example, atmosphere‐only models have a poleward bias in summertime jet streams across the Northern Hemisphere (NH).
Lina Boljka, Ingo Bethke, Dandan Tao, Camille Li   +3 more
doaj   +1 more source

Opposite spectral properties of Rossby waves during weak and strong stratospheric polar vortex events [PDF]

Weather and Climate Dynamics
In this study we provide a systematic characterization of Rossby wave activity during the 25 sudden stratospheric warming (SSW) and 31 strong polar vortex (SPV) events that occurred in the period 1979–2021, identifying the specific tropospheric and ...
M. Schutte, D. I. V. Domeisen, D. I. V. Domeisen, J. Riboldi, J. Riboldi   +4 more
doaj   +1 more source

Anomalous Westerly Shifts in the Medieval Warm Period Disrupted Centennial East Asian Winter‐summer Monsoon Synchrony Since 2500 BP

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Understanding past East Asian monsoon dynamics is crucial for projecting its responses to substantial climate forcing under future global warming scenarios. However, the relationship between East Asian Winter monsoon (EAWM) and summer monsoon (EASM) in the late Holocene remains under debate.
Xiaochuan Ma, Lijian Yang, Hu Yang, Debo Zhao, Liang Ning, Tiantian Yu, Zhengpu Luo, Jie Huang, Shiming Wan   +8 more
wiley   +1 more source

Buoyancy Flux and Its Environmental Modulation in the Vertical Development of Shallow Cumulus in the Central Amazon

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 11, 16 June 2026.
Abstract This study investigates the vertical development of shallow cumulus (ShCu) clouds in the Central Amazon (CAMZ) by combining large‐eddy simulations (LES) with observational data from the GoAmazon2014/5 campaign. Analyses of turbulent kinetic energy budgets, updraft mass flux, moisture flux, and surface fluxes across cloud sizes indicate that ...
Silvio N. Figueroa, Jhonatan A. A. Manco, Georgios A. Efstathiou   +2 more
wiley   +1 more source

Tropical Controls on West Antarctic Ice Sheet Surface Mass Balance Interannual Variability in the Twentieth Century

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 11, 16 June 2026.
Abstract The West Antarctic Ice Sheet (WAIS) contains an ice volumetric equivalent of 5.3 m of global mean sea‐level rise. Understanding the climate mechanisms that influence WAIS surface mass balance (SMB) can help reduce uncertainties in sea‐level rise projections. Previous work has focused on trends related to temperature and the roles of well‐known
Ella K. Hunter, Courtenay Strong, Summer Rupper, Husile Bai, Joey Kruger, Christopher Mitchell   +5 more
wiley   +1 more source

Large‐Scale Moisture Circulation Index Related to Socioeconomic Drought and Its Subseasonal Forecast Skill in the Asian Monsoon Rainy Season

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 11, 16 June 2026.
Abstract Socioeconomic drought, which occurs when water demand exceeds available supply and often leads to water withdrawal restrictions, affects water resource management. However, the relationship between large‐scale moisture circulation and the occurrence of socioeconomic drought has not been well understood. In this study, we focused on the Yoshino
Yuta Tamaki, Noriko N. Ishizaki
wiley   +1 more source

Atmospheric Dust Transport to High‐Elevation Dronning Maud Land, Antarctica, Modulated by Cyclonic Circulation, the Pacific Decadal Oscillation, and Source Emissions

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 11, 16 June 2026.
Abstract The dependence of aeolian dust transport on atmospheric circulation patterns allows dust preserved in Antarctic ice cores to serve as a proxy for past circulation variability. Here, we investigate dust transport to high‐elevation Dronning Maud Land (DML) in Antarctica through analysis of the 1300‐year‐old ISOL‐ICE ice core dust record together
K. C. Henson, V. H. L. Winton, K. R. Clem, R. Mulvaney, M. M. Frey   +4 more
wiley   +1 more source

The Eddy Flux Transport of the Magnetohydrodynamic Quasi‐Geostrophic Disturbances

Geophysical Research Letters
The classic Eliassen‐Palm (E‐P) flux in the geophysical fluid dynamics is a vector to qualify the eddy momentum and heat flux transport by Rossby waves in the latitude‐height plane. In this investigation, we derive two magnetic E‐P fluxes to quantify the
Chengkang Li, Yaokun Li
doaj   +1 more source

Elementary Rossby waves

Tellus A: Dynamic Meteorology and Oceanography, 1965
The linearized shallow water equations, when applied to a rotating annulus of homogeneous fluid with a free surface, and depth proportional to radius squared, have solutions expressible in elementary functions. The low frequency “second-class” part of the spectrum obeys an equation similar to Haurwitz's formula for Rossby waves on the earth.
openaire   +1 more source

Tropical Pacific Variability Drives Quasi‐Decadal Sea Ice Fluctuations Off East Greenland

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The sea ice off East Greenland exhibits pronounced quasi‐decadal fluctuations superimposed on its long‐term decline. Here we show that this low‐frequency variability is tightly phase‐coherent with tropical Pacific quasi‐decadal variability (TPQD), revealing a teleconnection from the tropics to the Arctic.
Rongrong Xu, Wenjun Zhang, Suqiong Hu, Feng Jiang, Leishan Jiang, Fei‐Fei Jin   +5 more
wiley   +1 more source