The role of oceanic feedbacks in the 2014–2016 El Niño events as derived from ocean reanalysis data

2020 ◽  
Vol 38 (5) ◽  
pp. 1394-1407
Author(s):  
Cong Guan ◽  
Fan Wang ◽  
Shijian Hu
Keyword(s):  
El Niño ◽  
El Nino ◽  
Reanalysis Data ◽  
Ocean Reanalysis ◽  
El Niño Events ◽  
Ocean Reanalysis Data ◽  
El Nino Events

Comparison between 1997 and 2002 El Niño events: Role of initial state versus forcing

2007 ◽  
Vol 112 (C1) ◽  
Author(s):  
Eric Hackert ◽  
Joaquim Ballabrera-Poy ◽  
Antonio J. Busalacchi ◽  
Rong-Hua Zhang ◽  
Ragu Murtugudde
Keyword(s):  
El Niño ◽  
El Nino ◽  
Initial State ◽  
El Niño Events ◽  
El Nino Events

scholarly journals The North Equatorial Countercurrent East of the Dateline, Its Variations, and Its Relationship to the El Niño Event

2021 ◽  
Vol 9 (10) ◽  
pp. 1041
Author(s):  
Yusuf Jati Wijaya ◽  
Ulung Jantama Wisha ◽  
Yukiharu Hisaki
Keyword(s):  
El Niño ◽  
El Nino ◽  
Thermocline Depth ◽  
Central Pacific ◽  
Ocean Reanalysis ◽  
Central Pacific El Niño ◽  
The North ◽  
El Niño Events ◽  
Ep El Niño ◽  
El Nino Events

Using forty years (1978–2017) of Ocean Reanalysis System 4 (ORAS4) dataset, the purpose of this study is to investigate the fluctuation of the North Equatorial Countercurrent (NECC) to the east of the dateline in relation to the presence of three kinds of El Niño events. From spring (MAM) through summer (JJA), we found that the NECC was stronger during the Eastern Pacific El Niño (EP El Niño) and the MIX El Niño than during the Central Pacific El Niño (CP El Niño). When it comes to winter (DJF), on the other hand, the NECC was stronger during the CP and MIX El Niño and weaker during the EP El Niño. This NECC variability was affected by the fluctuations of thermocline depth near the equatorial Pacific. Moreover, we also found that the seasonal southward shift of the NECC occurred between winter and spring, but the shift was absent during the CP and MIX El Niño events. This meridional shift was strongly affected by the local wind stress.

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