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Autonomous Multi-Platform Observations During the Salinity Processes in the Upper-ocean Regional Study.

Eric J Lindstrom¹, Andrey Y Shcherbina², Luc Rainville²

¹Global Ocean Observing System Steering Committee, NASA Headquarters, Washington, DC, USA.

Oceanography (Washington, D.C.)

|January 31, 2022

Summary

This summary is machine-generated.

The Salinity Processes in the Upper-ocean Regional Study (SPURS) investigated sea surface salinity patterns using autonomous instruments in the North Atlantic and Eastern Pacific. This research captured annual salinity variations influenced by contrasting atmospheric conditions.

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Area of Science:

Oceanography
Climate Science
Hydrology

Background:

Sea surface salinity (SSS) is a critical factor influencing ocean circulation and climate.
Understanding SSS variability is essential for accurate climate modeling and predicting oceanic changes.
Previous studies highlighted the need for comprehensive data on SSS at various spatial and temporal scales.

Purpose of the Study:

To investigate the patterns and variability of sea surface salinity (SSS).
To understand the key processes controlling SSS in the upper ocean across different regions.
To capture a wide range of spatial and temporal scales of salinity dynamics.

Main Methods:

Deployment of autonomous instruments to remote ocean sites (North Atlantic and Eastern Pacific).
Collection of data over one complete annual cycle at each site.
Coordination of sampling from multiple platforms using Lagrangian and Eulerian approaches.

Main Results:

Detailed data on SSS patterns and variability were collected from two contrasting oceanic regions.
Insights into the influence of atmospheric forcing on upper-ocean salinity were gained.
The study successfully captured annual salinity cycles and associated processes.

Conclusions:

The SPURS programs provided crucial data for understanding upper-ocean salinity dynamics.
The findings enhance our knowledge of factors controlling SSS and their impact on ocean processes.
This research serves as a foundation for future studies on ocean salinity and climate interactions.