Deep cycle turbulence in Atlantic and Pacific cold tongues

JN Moum, KG Hughes, EL Shroyer… - Geophysical …, 2022 - Wiley Online Library
Multiyear turbulence measurements from oceanographic moorings in equatorial Atlantic and
Pacific cold tongues reveal similarities in deep cycle turbulence (DCT) beneath the mixed …

[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 …

Off-equatorial deep-cycle turbulence forced by tropical instability waves in the equatorial Pacific

DA Cherian, DB Whitt, RM Holmes… - Journal of Physical …, 2021 - journals.ametsoc.org
The equatorial Pacific cold tongue is a site of large heat absorption by the ocean. This heat
uptake is enhanced by a daily cycle of shear turbulence beneath the mixed layer—“deep …

Climate Process Team: Improvement of Ocean Component of NOAA Climate Forecast System Relevant to Madden‐Julian Oscillation Simulations

T Shinoda, S Pei, W Wang, JX Fu… - Journal of Advances …, 2021 - Wiley Online Library
Given the increasing attention in forecasting weather and climate on the subseasonal time
scale in recent years, National Oceanic and Atmospheric Administration (NOAA) announced …

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 …

Eddy‐mediated turbulent mixing of oxygen in the equatorial Pacific

YA Eddebbar, DB Whitt, A Verdy… - Journal of …, 2024 - Wiley Online Library
In the tropical Pacific, weak ventilation and intense microbial respiration at depth give rise to
a low dissolved oxygen (O2) environment that is thought to be ventilated primarily by the …

Improving equatorial upper ocean vertical mixing in the NOAA/GFDL OM4 model

BG Reichl, AT Wittenberg, SM Griffies… - Earth and Space …, 2024 - Wiley Online Library
Deficiencies in upper ocean vertical mixing parameterizations contribute to tropical upper
ocean biases in global coupled general circulation models, affecting their simulated ocean …

Diurnal variability of the upper ocean simulated by a climate model

JEJ Reeves Eyre, J Zhu, A Kumar… - Geophysical Research …, 2024 - Wiley Online Library
We use a version of the NOAA Climate Forecast System with enhanced (up to 1‐m) ocean
model vertical resolution to investigate the mean diurnal cycles of upper ocean temperature …

Rain impacts on the surface atmosphere and upper ocean in the central equatorial Pacific

DB Whitt - Journal of Physical Oceanography, 2022 - journals.ametsoc.org
The impacts of rainy days (> 24 mm) on the physics of the surface atmosphere and upper
ocean are characterized in the central Pacific Ocean (140°–170° W) on the equator, where …

[PDF][PDF] Improved Equatorial Upper Ocean Vertical Mixing in the NOAA/GFDL OM4 Model

BG Reichl, AT Wittenberg, SM Griffies… - Authorea …, 2024 - essopenarchive.org
Computational models of the oceanic and atmospheric circulation are critical tools for un-30
derstanding and projecting changes in the Earth's climate. These models have errors that …