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SINES CLIMATE CHANGE IMPACT ON OCEAN FRONTS ECOSYSTEMS: The case of the Iberian Upwelling System

SINES Cruise Report

Scientific Discipline: Biogeochemistry

Research Area: Northeast Atlantic, Western Iberian Margin

Research Vessel: RV Sarmiento de Gamboa

PI Name and Affiliation: Dr Marcos Fontela, Centro de Ciências do Mar do Algarve, Portugal

Date: 11 - 20 September 2022

Citation from PI: This is a unique opportunity to do multidisciplinary research at high level. The first step and proof of concept for something bigger in the future!

The SINES Working Area and Track Chart

Abstract & Main objectives: The overall objective is to identify the changes and risks for marine ecosystem services deriving from the potential impact of climate change on upwelling fronts.

Study area with the track of the LAUV vehicle (yellow) and the location of the CTD stations done from the vessel (red points)

Preliminary Results: Full depth water column CTD profiles were collected at all the stations (15 stations, 19 CTD casts, i.e., four stations with double cast -shallow and deep-). In 12 stations, a vertical multinet haul was also collected. The depth of the multinet samples (100 µm mesh) range between 700 m and surface. A deployment of a Light Autonomous Underwater Vehicle (LAUV Explore-4) was done on 17-18th of September. The AUV conducted more than 100 high-resolution immersion profiles between the surface and 10/50/100 m depth following the track of the research vessel between the coast and the position 37.35ºN 9.4ºW.

Sampling Operations during SINES Cruise