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Title: Observation network of the carbon dioxide system and ocean acidification in the Canary islands
Authors: González Dávila, Melchor 
Santana Casiano, Magdalena 
Curbelo Hernández, David 
González Santana, David 
Castro Álamo, Adrián 
Estupiñán Santana, David
González González, Aridane 
UNESCO Clasification: 251002 Oceanografía química
Keywords: CARBOCAN
CO2 system
Ocean acidification
Issue Date: 2023
Publisher: Servicio de Publicaciones y Difusión Científica de la Universidad de Las Palmas de Gran Canaria (ULPGC) 
Conference: VIII International Symposium on Marine Sciences (ISMS 2022) 
Abstract: The observation network of the CO2 and ocean acidification system of the Canary Islands consists of three oceanographic buoys and two VOS lines. The buoys are located in the coastal areas of Gran Canaria (Gando Bay), El Hierro (Marine Reserve) and La Graciosa (Marine Reserve). The observation lines connect Tenerife-La Gomera-La Palma on one side and Gran Canaria-Tenerife-Lanzarote-Valencia-Barcelona on the other. The buoys are included in the Global Ocean Acidification Observing Network (GOA-ON). The VOS line from Gran Canaria to Barcelona is included in the Integrated Carbon Observation System (ICOS). The first year’s data of this observation network is revealing that the coastal processes are very important in defining the coastal characterization of the CO2 system. In this sense, the Trade Winds are contributing to the physical and chemical variability in the coastal areas. An example is that Gando Bay (Gran Canaria) is acting as a slight source of CO2 (0.27 ± 0.22 mmol m-2 d-1). On the other hand, the VOS line’s data showed that the net annual CO2 sink (-0.26 ± 0.04 mol C m-2 yr-1) increased in the northwest African continental shelf (-0.48 ± 0.09 mol C m-2 yr-1). This observation network is producing a highly valuable CO2 system and ocean acidification dataset. These data are necessary to understand the impact of climate change in the region, the answer of the ocean, and open new windows to the governance of the blue economy.
ISBN: 978-84-9042-477-3
Source: Abstracts Volume VIII International Symposium on Marine Sciences, July 2022 / coordinación, María Esther Torres Padrón, p. 364
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