Biotic response of plankton communities to Middle to Late Miocene monsoon wind and nutrient flux changes in the Oman margin upwelling zone

Understanding past dynamics of upwelling cells is an important aspect of assessing potential upwelling changes in future climate change scenarios. Our present understanding of nutrient fluxes throughout the world's oceans emphasizes the importance of intermediate waters transporting nutrients f...

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Bibliographic Details
Published in:Climate of the past 2023-11, Vol.19 (11), p.2313-2340
Main Authors: Auer, Gerald, Bialik, Or M, Antoulas, Mary-Elizabeth, Vogt-Vincent, Noam, Piller, Werner E
Format: Article
Language:English
Subjects:
Abundance
Analysis
Blooms
Boundary conditions
Carbon
Carbon cycle
Cells
Climate change
Climate change scenarios
Denitrification
Diatoms
Drilling
Fluxes
Future climates
Global temperature changes
Intermediate water
Intermediate water masses
Local winds
Miocene
Monsoon winds
Monsoons
Nannoplankton
Nanoplankton
Nutrient dynamics
Nutrients
Ocean circulation
Oceans
Organic carbon
Oxygen
Plankton
Primary production
Productivity
Tectonics
Upwelling
Wind
Wind-driven upwelling
Winds
Winter
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Summary:Understanding past dynamics of upwelling cells is an important aspect of assessing potential upwelling changes in future climate change scenarios. Our present understanding of nutrient fluxes throughout the world's oceans emphasizes the importance of intermediate waters transporting nutrients from the Antarctic divergence into the middle and lower latitudes. These nutrient-rich waters fuel productivity within wind-driven upwelling cells in all major oceans. One such upwelling system is located along the Oman margin in the western Arabian Sea (WAS). Driven by cross-hemispheric winds, the WAS upwelling zone's intense productivity led to the formation of one of the most extensive oxygen minimum zones known today.
ISSN:1814-9332
1814-9324
1814-9332
DOI:10.5194/cp-19-2313-2023