Results 141 to 150 of about 2,590 (160)

Phase locking of the Boreal Summer Intraseasonal Oscillation in the Indian Ocean

2023
The Boreal Summer Intraseasonal Oscillation (BSISO), which is characterized by a northeastward move of convective systems at a 30- to 60-day cycle, is the dominant intraseasonal variability in the Indo-Pacific warm pool region during boreal summer. Previous studies have discussed a phase-locking feature of the BSISO with respect to the annual cycle and
Sakamoto, T., Ukita, J., Honda, M.
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A Model for the Boreal Summer Intraseasonal Oscillation

Journal of the Atmospheric Sciences, 1997
Abstract The tropical intraseasonal oscillation (ISO) exhibits pronounced seasonality. The boreal summer ISO is more complex than its winter counterpart due to the coexistence of equatorial eastward, off-equatorial westward, and northward propagating, low-frequency modes and their interactions.
Bin Wang, Xiaosu Xie
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Boreal Summer Intraseasonal oscillation convective initiations in S2S models

2023
Boreal summer Intraseasonal Oscillation (BSISO), with its 20–90 day periodicity characterised by northward propagation over the northern Indian Ocean and eastward propagation over the equatorial region, acts as a major source of predictability in the intraseasonal time scale. Predicting the initiation of BSISO over the equatorial Indian Ocean
Daniel Simon, Neena Joseph Mani
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Reinitiation of the Boreal Summer Intraseasonal Oscillation in the Tropical Indian Ocean*

Journal of Climate, 2005
Abstract The characteristic features of the boreal summer intraseasonal oscillation (BSISO) during its reinitiation period are studied using NCEP–NCAR reanalysis. Based on these observations and with the aid of an anomalous atmospheric general circulation model (AGCM), a possible mechanism responsible for the BSISO reinitiation is ...
Tim Li, Xian-An Jiang
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The representation of the boreal summer intraseasonal oscillation in a global convection-permitting simulation

2021
<p>The Boreal Summer Intraseasonal Oscillation (BSISO) is a major mode of intraseasonal variability in the Indian summer monsoon. The characteristic pattern includes northward/north-eastward propagating anomalies of convection and circulation over the Indian longitudes, and concurrent eastward propagating anomalies that move through the ...
Peter Willetts, Jennifer Fletcher, John Marsham   +2 more
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Boreal Summer Intraseasonal Meridional Oscillations Over East Asia and Their Influences on Precipitation

Journal of Geophysical Research: Atmospheres, 2022
AbstractThe intraseasonal meridional wave trains are the major features of East Asia summer monsoon (EASM), but the complete physical pictures of dynamic pathways from tropical and mid‐high latitudes and their climate impacts have not been fully illustrated.
Yiming Xu, Xuguang Sun, Xiu‐Qun Yang
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Structures and Mechanisms of the Northward Propagating Boreal Summer Intraseasonal Oscillation*

Journal of Climate, 2004
Abstract The spatial and temporal structures of the northward-propagating boreal summer intraseasonal oscillation (BSISO) are revealed based on the analysis of both the ECHAM4 model simulation and the NCEP–NCAR reanalysis. The BSISO structure and evolution characteristics simulated by the model bear many similarities to those derived from the NCEP–NCAR
Xianan Jiang, Tim Li, Bin Wang
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The impact of ocean–atmosphere coupling on the predictability of boreal summer intraseasonal oscillation

Climate Dynamics, 2008
The impact of ocean–atmosphere coupling on the simulation and prediction of the boreal summer intraseasonal oscillation (ISO) has been investigated by diagnosing 22-year retrospective forecasts using the Seoul National University coupled general circulation model (CGCM) and its atmospheric GCM (AGCM) forced with SSTs derived from the CGCM.
Hye-Mi Kim, In-Sik Kang
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Influence of boreal summer intraseasonal oscillation on rainfall extremes in southern China

International Journal of Climatology, 2015
ABSTRACTHow boreal summer intraseasonal oscillation (BSISO) modulates the probability and spatial distributions of extreme rainfall occurrence over populous southern China was examined, using the newly proposedBSISOindices and two high‐resolution rain‐gauge‐based rainfall datasets in China.
Pang‐Chi Hsu, June‐Yi Lee, Kyung‐Ja Ha   +2 more
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Cloud and radiative heating profiles associated with the boreal summer intraseasonal oscillation

Climate Dynamics, 2017
The cloud water content (CW) and radiative heating rate (QR) structures related to northward propagating boreal summer intraseasonal oscillations (BSISOs) are analyzed using data from A-train satellites in conjunction with the ERA-Interim reanalysis.
Jinwon Kim, Duane E. Waliser, Gregory V. Cesana, Xianan Jiang, Tristan L’Ecuyer, J. M. Neena   +5 more
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