Physical processes and biological productivity in the upwelling regions of the tropical Atlantic

P Brandt, G Alory, FM Awo, M Dengler… - Ocean …, 2023 - os.copernicus.org
In this paper, we review observational and modelling results on the upwelling in the tropical
Atlantic between 10∘ N and 20∘ S. We focus on the physical processes that drive the …

Seasonal and inter-annual ONSET Sea Surface Temperature variability along the northern coast of the Gulf of Guinea

Z Sohou, V Koné, YC Da-Allada, S Djakouré… - Regional Studies in …, 2020 - Elsevier
The aim of this study is to characterize the coastal upwelling variability at seasonal and inter-
annual time scales in the northern Gulf of Guinea (NGoG) using Sea Surface Temperature …

[HTML][HTML] Variability of chlorophyll-a concentration in the Gulf of Guinea and its relation to physical oceanographic variables

K Nieto, F Mélin - Progress in oceanography, 2017 - Elsevier
Abstract The Gulf of Guinea represents a wide tract of the African coast with complex and
rich coastal ecosystems undergoing various pressures. The seasonal variations of …

Seasonal mixed‐layer salinity balance in the tropical Atlantic Ocean: Mean state and seasonal cycle

CY Da‐Allada, G Alory, Y Du Penhoat… - Journal of …, 2013 - Wiley Online Library
We investigate the causes of the seasonal cycle of the near‐surface salinity using a mixed‐
layer salinity model and a combination of satellite products, atmospheric reanalyses, and in …

Diapycnal heat flux and mixed layer heat budget within the Atlantic Cold Tongue

R Hummels, M Dengler, P Brandt, M Schlundt - Climate dynamics, 2014 - Springer
Sea surface temperatures (SSTs) in the eastern tropical Atlantic are crucial for climate
variability within the tropical belt. Despite this importance, state-of-the-art climate models …

Respective roles of the Guinea Current and local winds on the coastal upwelling in the northern Gulf of Guinea

S Djakouré, P Penven, B Bourlès… - Journal of Physical …, 2017 - journals.ametsoc.org
Abstract The northern Gulf of Guinea is a part of the eastern tropical Atlantic where oceanic
conditions due to the presence of coastal upwelling may influence the regional climate and …

Coastal upwelling limitation by onshore geostrophic flow in the Gulf of Guinea around the Niger River plume

G Alory, CY Da-Allada, S Djakouré, I Dadou… - Frontiers in Marine …, 2021 - frontiersin.org
Wind-driven coastal upwelling can be compensated by onshore geostrophic flow, and river
plumes are associated with such flow. We investigate possible limitation of the northeast …

Major role of the equatorial current system in setting oxygen levels in the eastern tropical Atlantic Ocean: A high‐resolution model study

O Duteil, FU Schwarzkopf, CW Böning… - Geophysical …, 2014 - Wiley Online Library
Understanding the causes of the observed expansion of tropical ocean's oxygen minimum
zones (OMZs) is hampered by large biases in the representation of oxygen distribution in …

Variability of the mixed layer heat budget in the eastern equatorial Atlantic during 2005–2007 as inferred using Argo floats

M Wade, G Caniaux… - Journal of Geophysical …, 2011 - Wiley Online Library
We examine the variability of the sea surface temperatures in the eastern equatorial Atlantic
during 2005–2007 by using Argo profiling floats, Prediction and Research Moored Array in …

The Equatorial Undercurrent in the central Atlantic and its relation to tropical Atlantic variability

P Brandt, A Funk, A Tantet, WE Johns, J Fischer - Climate Dynamics, 2014 - Springer
Seasonal to interannual variations of the Equatorial Undercurrent (EUC) in the central
Atlantic at 23° W are studied using shipboard observation taken during the period 1999 …