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Geophysical Research Letters, 2009 [1] Is the recent high frequency of positive Indian Ocean Dipole (pIOD) events a consequence of global warming? Using available observations and reanalyses, we show that the pIOD occurrences increase from about four per 30 years early in the 20th century
Wenju Cai, Tim Cowan, Arnold Sullivan
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A spurious positive Indian Ocean Dipole in 2017
Science Bulletin, 2018The Indian Ocean Dipole (IOD) is an intrinsic ocean-atmosphere coupled mode in the tropical Indian Ocean (IO). It features a sea surface temperature (SST) anomaly gradient, defined by the dipole mode index (DMI), the difference of area-averaged SSTanomaly between the western tropical IO (50°–70°E, 10°N–10°S) and the southeastern tropical IO (90°–110°E,
Lianyi, Zhang, Yan, Du, Wenju, Cai
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A Theory for the Indian Ocean Dipole–Zonal Mode*
Journal of the Atmospheric Sciences, 2003Abstract Four fundamental differences of air–sea interactions between the tropical Pacific and Indian Oceans are identified based on observational analyses and physical reasoning. The first difference is represented by the strong contrast of a zonal cloud–SST phase relationship between the warm and cool oceans.
Li, Tim +3 more
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Oceanic Heat Content as a Predictor of the Indian Ocean Dipole
Journal of Geophysical Research: Oceans, 2022AbstractIndian Ocean Dipole (IOD) prediction is a challenging problem, largely relying on the relationship between IOD and El Niño‐Southern Oscillation (ENSO). This study demonstrates that heat content internal to the Indian Ocean can be an effective predictor providing extra IOD predictability, through constructing statistical prediction models with ...
Minghong Liu +4 more
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Influence of the Indian Ocean Dipole on the Indian Ocean Meridional Heat Transport
Journal of Marine Systems, 2014Abstract Influence of the Indian Ocean Dipole (IOD) on the Indian Ocean Meridional Heat Transport (MHT) is studied using 60-yr SODA data. Results show that there is anomalous heat transport from the equatorial region to higher latitudes in both hemispheres during IOD events, and the anomalous poleward MHT occurs mainly in the western Indian Ocean ...
Shuangwen Sun +3 more
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Decadal Prediction of Indian Ocean Dipole
2020<p>&#160;</p><p>Decadal Prediction is the prediction of climate for the next 5&#8211;20 years. Decadal Prediction has gained great importance as it tries to bridge the gap between seasonal and Centennial (50-100 year) predictions creating a balance between initial conditions and ...
Feba Francis +2 more
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Two flavors of the Indian Ocean Dipole
Climate Dynamics, 2015The Indian Ocean Dipole (IOD) is known as a climate mode in the tropical Indian Ocean accompanied by negative (positive) sea surface temperature (SST) anomalies over the eastern (western) pole during its positive phase. However, the western pole of the IOD is not always covered totally by positive SST anomalies.
Satoru Endo, Tomoki Tozuka
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INTERANNUAL OSCILLATORY MODES IN THE INDIAN OCEAN AND PREDICTABILITY OF THE INDIAN OCEAN DIPOLE
2011This study further investigates the 18-month and 3-year variability modes in the Indian Ocean and their possible use for the prediction of the Indian Ocean dipole (IOD). We argue that the IOD is not an isolated event triggered by a particular ocean–atmosphere state but a continuous oscillatory process, so that the extremely shallow thermocline in ...
IRINA V. SAKOVA, RICHARD COLEMAN
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The Indian Ocean Dipole: A Monopole in SST
Journal of Climate, 2014Abstract The claim for a zonal-dipole structure in interannual variations of the tropical Indian Ocean (IO) SSTs—the Indian Ocean dipole (IOD)—is reexamined after accounting for El Niño–Southern Oscillation’s (ENSO) influence. The authors seek an a priori accounting of ENSO’s seasonally stratified influence on IO SSTs and evaluate the ...
Sumant Nigam, Yongjing Zhao
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Predictability of Indian Ocean Dipole (IOD)
2016This is an advance summary of a forthcoming article in the Oxford Research Encyclopedia of Climate Science. Please check back later for the full article. The tropical Indian Ocean is unique in several aspects.
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