Louise Rousselet

Louise Rousselet
University of California, San Diego | UCSD · Scripps Institution of Oceanography (SIO)

PhD

About

15
Publications
1,622
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121
Citations
Introduction
Skills and Expertise
Additional affiliations
February 2019 - present
University of California, San Diego
Position
  • PostDoc Position
Education
October 2015 - October 2018
Aix-Marseille Université
Field of study
  • Oceanography

Publications

Publications (15)
Article
The diabatic transformations of the mid-depth meridional overturning circulation (MOC) as it exits and reenters the South Atlantic to close the AMOC are studied using a state estimate assimilating data into a dynamically consistent ocean model. Virtual Lagrangian parcels in the lower branch of the MOC are followed in their global tour as they retur...
Article
Full-text available
Using velocities from a state estimate, Lagrangian analysis maps the global routes of North Atlantic Deep Water (NADW) exiting the Atlantic and reentering the upper branch of the Atlantic Meridional Overturning Circulation (AMOC). Virtual particle trajectories followed for 8100 years highlight an upper route (32%) and a lower route (68%). The latte...
Article
Full-text available
The origins of the upper branch of the Atlantic meridional overturning circulation (AMOC) are traced with backward-in-time Lagrangian trajectories, quantifying the partition of volume transport between different routes of entry from the Indo-Pacific into the Atlantic. Particles are advected by the velocity field from a recent release of "Estimating...
Article
Full-text available
Vertical velocities can be estimated indirectly from in situ observations by theoretical frameworks like the ω‐equation. Direct measures of vertical exchanges are challenging due to their typically ephemeral spatiotemporal scales. In this study we address this problem with an adaptive sampling strategy coupling various biophysical instruments. We a...
Article
Full-text available
The patterns of the large-scale, meso- and submesoscale surface circulation on biogeochemical and biological distributions are examined in the western tropical South Pacific (WTSP) in the context of the OUTPACE cruise (February–April 2015). Multi-disciplinary original in situ observations were achieved along a zonal transect through the WTSP and th...
Article
Full-text available
Research cruises to quantify biogeochemical fluxes in the ocean require taking measurements at stations lasting at least several days. A popular experimental design is the quasi-Lagrangian drifter, often mounted with in situ incubations or sediment traps that follow the flow of water over time. After initial drifter deployment, the ship tracks the...
Article
Full-text available
The patterns of the large-scale, meso- and submesoscale surface circulation on biogeochemical and biological distributions are examined in the Western Tropical South Pacific (WTSP) in the context of the OUTPACE cruise (Feb–April 2015). Multi-disciplinary original in situ observations were achieved along a zonal transect through the WTSP and their a...
Article
Full-text available
Research cruises to quantify biogeochemical fluxes in the ocean require taking measurements at stations lasting at least several days. A popular experimental design is the quasi-Lagrangian drifter, with in situ incubations that follow the flow of water over time. The ship then tracks the drifter because subsequent measurements are supposed to remai...
Article
Full-text available
The temporal evolution of a surface chlorophyll a bloom sampled in the western tropical South Pacific during the 2015 Oligotrophy to UlTra-oligotrophy PACific Experiment (OUTPACE) cruise is examined. This region is usually characterized by largely oligotrophic conditions, i.e. low concentrations of inorganic nutrients at the surface and deep chloro...
Article
Full-text available
The temporal evolution of a surface chlorophyll-a bloom sampled in the Western Tropical South Pacific during the 2015 Oligotrophy to UlTra-oligotrophy PACific Experiment cruise is examined. This region is usually characterized by largely oligotrophic conditions, ie low concentrations of inorganic nutrients at the surface and deep chlorophyll-a maxi...
Article
Full-text available
The climatological vision of the circulation within the Coral Sea is today well established with the westward circulation of two main jets, the North Caledonian Jet (NCJ) and the North Vanuatu Jet (NVJ) as a consequence of the separation of the South Equatorial Current (SEC) on the islands of New Caledonia, Vanuatu and Fiji. Each jet has its own dy...
Research
Full-text available
Cruise report for the SeaQUEST oceangraphic campaign from 6-10 April in the Gulf of Lions, NW Mediterranean.
Article
Full-text available
Several theoretical and numerical studies have recently pointed out that the ocean mesoscale eddies (100-­‐300 km), which provide the major contribution to the total ocean kinetic energy, are generally associated and crucially interact with smaller oceanic structures, with typical scales of 50 km or less. Indeed, the oceanic flow is driven by nonli...

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Projects

Project (1)
Archived project
We study the mesoscale/submesoscale activities and their impact on the water masses in the context of the OUTPACE cruise [Moutin and Bonnet, 2015]. We also study the influence of the fine scale circulation on the repartition of phytoplankton and diazotroph in this area.