Abstract

Observations of Near-Surface Salinity and Temperature Structure with Dual-Sensor Lagrangian Drifters During SPURS-2

Highlights

  • Despite the importance of sea surface salinity (SSS) as an indicator of the hydrological cycle (Rhein et al, 2013), many details of air-sea interaction responsible for freshwater fluxes and processes that determine near-surface salinity stratification and its variability are still poorly understood

  • The observed temperature and salinity differences between 0.4 m and 5 m depths are significantly correlated with each other for the following two regimes

  • (2) On the other hand, because rain­water is usually colder than the ocean’s surface, freshening during rainfall events is usually accompanied by a sizable surface cooling

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Summary

Introduction

Despite the importance of sea surface salinity (SSS) as an indicator of the hydrological cycle (Rhein et al, 2013), many details of air-sea interaction responsible for freshwater fluxes and processes that determine near-surface salinity stratification and its variability are still poorly understood. Freshening in the upper few meters due to rainfall events can exceed 1 psu (Drushka et al, 2016) and, can significantly contribute to the observed differences between satellite and Argo salinity data in regions of strong precipitation (Boutin et al, 2016).

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