The environmental impact of Lagrangian transport routes in the north east atlantic ocean.
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1
Centro Interdisciplinar de Investigação Marinha e Ambiental, Coastal and ocean dynamics, Portugal
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2
Universidad de Las Palmas de Gran Canaria, Spain
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3
Universidade da Madeira, Centro de Ciencias Matematicas, Portugal
The study of the transport by ocean currents has important applications for fisheries, conservation biology, pollution control, military and rescue missions, amongst others
Using Ariane (an off-line Lagrangian tool) coupled to a Regional Oceanic Modeling System (ROMS) were mapped the general transport pathways of the northeast Atlantic Ocean.
After 10-year climatic simulation, four depth ranges showed different Lagrangian transport pathways, 0–10 m, 20–200 m, 300–500m, and 600–2000 m, being these routes consistent with the known ocean circulation patterns. These routes were partially confirmed by results from previous oceanic water mass distribution, biological studies on marine organisms and observations of the rafting of crude oil spilled during the Prestige oil tanker accident (in Galicia, north of Spain). This preliminary yet provocative study should help guide future observational campaigns, as well as the interpretation of open-ocean transport patterns and the distribution of marine organisms and chemical tracers in the northeast Atlantic region.
Acknowledgements
This work was carried out with the support of funds from the RAIA and RAIA.co INTERREG-IV projects, co-financed by the POCTEP program within the European Union transnational initiative. Numerical model solutions were calculated at CIIMAR’s HPC unit, acquired and maintained by FCT pluriannual funds (PesTC/Mar/LA0015/2013)."
Keywords:
drifting,
rafting,
connectivity,
pollutant and larval transport,
water masses
Conference:
IMMR | International Meeting on Marine Research 2014, Peniche, Portugal, 10 Jul - 11 Jul, 2014.
Presentation Type:
Poster Presentation
Topic:
OCEANOGRAPHY AND MARITIME TECHNOLOGY
Citation:
Sala
I,
Caldeira
RM,
Estrada-Allis
SN,
Froufe
E and
Couvelard
X
(2014). The environmental impact of Lagrangian transport routes in the north east atlantic ocean..
Front. Mar. Sci.
Conference Abstract:
IMMR | International Meeting on Marine Research 2014.
doi: 10.3389/conf.fmars.2014.02.00037
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Received:
30 May 2014;
Published Online:
18 Jul 2014.
*
Correspondence:
Ms. Iria Sala, Centro Interdisciplinar de Investigação Marinha e Ambiental, Coastal and ocean dynamics, Porto, 4050-123, Portugal, iria.sala@gmail.com