Results 61 to 70 of about 7,697 (227)

Characteristics and mechanisms of intraseasonal oscillation of mixed layer salinity in the western formation region of North Pacific Tropical Water

open access: yesFrontiers in Marine Science
Based on a time series of seawater salinity profile data collected by moored buoys, in conjunction with Soil Moisture Active Passive (SMAP) sea surface salinity (SSS) data from June 2015 to May 2022, as well as additional observational data, this study ...
Kai Li   +6 more
doaj   +1 more source

Identification of the Madden–Julian Oscillation With Data‐Driven Koopman Spectral Analysis

open access: yesGeophysical Research Letters, 2023
The Madden‐Julian Oscillation (MJO), the dominant mode of tropical intraseasonal variability, is commonly identified using the realtime multivariate MJO (RMM) index based on joint empirical orthogonal function (EOF) analysis of near‐equatorial upper and ...
Benjamin R. Lintner   +3 more
doaj   +1 more source

The Zonal Wind Intraseasonal Oscillation in the Exit Region of the East Asian Subtropical Westerly Jet in Winter and Its Thermodynamic Mechanism

open access: yesAtmosphere, 2022
The six-hourly ERA-interim reanalysis data were used to analyze the intraseasonal oscillation (ISO) characteristics of the zonal wind in the exit region of the East Asian subtropical westerly jet (EAJ) during the winter (November to April).
Suxiang Yao, Yishan Liu
doaj   +1 more source

Indian and African monsoons: Trajectories and interactions

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
The catch basin of marine air particles of the Indian monsoon is the tropical Indian ocean, whilst that of the African monsoon is the east tropical Atlantic. However, the oscillations induced by the monsoonal interactions favour particle exchange between the two basins. These transitions are abrupt in the presence of stochastic resonance. The monsoonal
Giovanni A. Dalu, Marina Baldi
wiley   +1 more source

The characteristics of squall lines in the Southeast Asia region

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Squall lines over the Maritime Continent were analysed using 20 years of IMERG GPM data and classified into four regional clusters. Significant regional differences were found in their size, intensity, lifespan, and propagation. Nighttime squall lines are primarily driven by the convergence of opposing offshore flows and the convergence of monsoonal ...
Jeong‐Yik Diong   +3 more
wiley   +1 more source

The Quasi-Biweekly Oscillation of Winter Precipitation Associated with ENSO over Southern China

open access: yesAtmosphere, 2018
Using ERA-interim Reanalysis data and observational data, the intraseasonal oscillation of the winter rainfall in southern China is studied. The mean square deviation of daily precipitation is used to express precipitation variability, and winter ...
Qiaoyu Tong, Suxiang Yao
doaj   +1 more source

Impacts of the Madden-Julian oscillation on Australian rainfall and circulation [PDF]

open access: yes, 2009
Impacts of the Madden¿Julian oscillation (MJO) on Australian rainfall and circulation are examined during all four seasons. The authors examine circulation anomalies and a number of different rainfall metrics, each composited contemporaneously for eight ...
Cleland, S.   +4 more
core   +3 more sources

An opportunity index to anticipate when subseasonal predictions are useful

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Simultaneously active subseasonal windows of forecast opportunity can be combined into a single opportunity index, which can be used operationally to anticipate enhanced or reduced subseasonal prediction skill. For predictions of temperature anomalies in Switzerland during summer—a region and season with particularly low predictability—skill can nearly
Dominik Büeler   +4 more
wiley   +1 more source

Subseasonal mode of cold and wet climate in South China during the cold season: a climatological view

open access: yesAtmospheric and Oceanic Science Letters, 2019
The authors investigate the dominant mode of climatological intraseasonal oscillation (CISO) of surface air temperature (SAT) and rainfall in China, and discuss the linkage of cold and wet climate in South China (SC) with the Arctic circulation regime ...
Minjie YU, Congwen ZHU, Ning JIANG
doaj   +1 more source

The 30–50-Day Intraseasonal Oscillation of SST and Precipitation in the South Tropical Indian Ocean

open access: yesAtmosphere, 2018
The Sea Surface Temperature (SST) in the South Tropical Indian Ocean (STIO) displays significant intraseasonal oscillation (ISO) in two regions.
Yun Liang   +4 more
doaj   +1 more source

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