Intensification of Pacific tropical instability waves over the recent three decades

M Wang, SP Xie, H Sasaki, M Nonaka, Y Du - Nature Climate Change, 2024 - nature.com
Tropical instability waves (TIWs) arise from shear instabilities of equatorial Pacific Ocean
currents and are important for the tropical climate and the El Niño–Southern Oscillation. Yet …

[HTML][HTML] Simulation and scaling of the turbulent vertical heat transport and deep-cycle turbulence across the equatorial Pacific cold tongue

DB Whitt, DA Cherian, RM Holmes… - Journal of Physical …, 2022 - journals.ametsoc.org
Microstructure observations in the Pacific cold tongue reveal that turbulence often
penetrates into the thermocline, producing hundreds of watts per square meter of downward …

Direct and rectified effects of tropical instability waves on the eastern tropical Pacific mean state in a regional ocean model

L Maillard, J Boucharel… - Journal of Physical …, 2022 - journals.ametsoc.org
Tropical instability waves (TIWs) are oceanic features propagating westward along the
northern front of the Pacific cold tongue. Observational and modeling studies suggest that …

Diurnal warming rectification in the tropical Pacific linked to sea surface temperature front

MF Cronin, D Zhang, SM Wills, JEJ Reeves Eyre… - Nature …, 2024 - nature.com
Sharp and rapid changes in the sea surface temperature (SST) associated with fronts and
the diurnal cycle can drive changes in the atmospheric boundary-layer stability and …

Seasonality of subsurface shear instabilities at tropical instability wave fronts in the Atlantic Ocean in a high‐resolution simulation

MS Specht, J Jungclaus, J Bader - Journal of Geophysical …, 2024 - Wiley Online Library
Abstract Tropical Instability Waves (TIWs) have been shown to modulate upper ocean
mixing. However, previous studies on the modulation of TIW related mixing are based on …

Ocean mixing induced by three-dimensional structure of equatorial mode tropical instability waves in the Pacific Ocean

L Fang, K Ma, C Liu, X Wang, F Wang - Frontiers in Marine Science, 2023 - frontiersin.org
Observations have revealed that tropical instability waves (TIWs) play an important role in
the ocean mixing of the equatorial thermocline. However, most studies have not …

Seasonal modulation of dissolved oxygen in the equatorial Pacific by tropical instability vortices

YA Eddebbar, AC Subramanian… - Journal of …, 2021 - Wiley Online Library
Tropical instability vortices (TIVs) have a major influence on the physics and
biogeochemistry of the equatorial Pacific. Using an eddy‐resolving configuration of the …

Diabatic upwelling in the tropical Pacific: Seasonal and subseasonal variability

AL Deppenmeier, FO Bryan… - Journal of Physical …, 2022 - journals.ametsoc.org
The equatorial Pacific zonal circulation is composed of westward surface currents, the
eastward equatorial undercurrent (EUC) along the thermocline, and upwelling in the eastern …

Generation mechanisms of SST anomalies associated with the canonical El Niño focusing on vertical mixing

K Nakamura, S Kido, T Ijichi, T Tozuka - Journal of Climate, 2024 - journals.ametsoc.org
The mean vertical advection of anomalous vertical temperature gradient is considered the
dominant generation mechanism of positive sea surface temperature (SST) anomalies …

Deep-Cycle Turbulence in the Upper Pacific Equatorial Ocean: Characterization by LES and Heat Flux Parameterization

HT Pham, S Sarkar, WD Smyth… - Journal of Physical …, 2024 - journals.ametsoc.org
Abstract Observations in the Pacific Equatorial Undercurrents (EUC) show that the nighttime
deep-cycle turbulence (DCT) in the marginal-instability (MI) layer of the EUC exhibits …