FN Archimer Export Format
PT J
TI A multi-decadal hindcast of a physical–biogeochemical model and derived oceanographic indices in the Bay of Biscay
BT 
AF HURET, Martin
   SOURISSEAU, Marc
   PETITGAS, Pierre
   STRUSKI, Caroline
   LEGER, Fabien
   LAZURE, Pascal
AS 1:1;2:3;3:2;4:2;5:4;6:3;
FF 1:PDG-RBE-STH-LBH;2:PDG-ODE-DYNECO-PELAGOS;3:PDG-RBE-EMH;4:;5:;6:PDG-ODE-DYNECO-PHYSED;
C1 IFREMER, STH LBH, F-29280 Plouzane, France.
   IFREMER, EMH, F-44311 Nantes 03, France.
   IFREMER, Dept DYNECO, F-29280 Plouzane, France.
   LEGOS OMP, F-31400 Toulouse, France.
C2 IFREMER, FRANCE
   IFREMER, FRANCE
   IFREMER, FRANCE
   LEGOS, FRANCE
SI BREST
   NANTES
SE PDG-RBE-STH-LBH
   PDG-ODE-DYNECO-PELAGOS
   PDG-RBE-EMH
   PDG-ODE-DYNECO-PHYSED
IN WOS Ifremer jusqu'en 2018
   copubli-france
IF 2.476
TC 30
TU Centre national d'études spatiales
   Centre national de la recherche scientifique
   Institut de recherche pour le développement
   Institut national de la recherche agronomique
   Université de Toulouse III - Paul Sabatier
   École nationale de météorologie de Toulouse
UR https://archimer.ifremer.fr/doc/00114/22538/20237.pdf
LA English
DT Article
CR ECLAIR1
   ECLAIR2
   ECLAIR3
   ECLAIR4
   ECLAIR5
   MICRODYN/1
   MICRODYN/2
   MICRODYN/3
   MICRODYN/4
   PEL 2000
   PEL 2001
   PELGAS 2002
   PELGAS 2003
   PELGAS 2004
   PELGAS 2005
   PELGAS 2006
   PELGAS 2007
   PELGAS 2008
BO Thalia
   Cote D'Aquitaine
   Gwen Drez
   Côtes De La Manche
   Thalassa
DE ;Physical-biogeochemical model;Hindcast;Skill assessment;Environmental indices;Seasonal pattern;Interannual variability;Fisheries oceanography;Bay of Biscay
AB Multiple year oceanographic simulations (hindcast) are identified as a priority oceanography product for fisheries and environment studies since they provide a unique continuous long-term dataset allowing integrated assessment of the ocean state and evolution. We performed a 37 year (1972–2008) hindcast run with a coupled physical–biogeochemical model in the Bay of Biscay. The coupled model and the hindcast configuration are described. A model skill assessment is performed with a large set of in-situ data. Average seasonal currents show major circulation patterns over the shelf. Among tracers, temperature and salinity have the best agreement, ahead of nitrates and silicates, chlorophyll, and finally phosphates and ammonium. For chlorophyll, improved pattern statistics are found when compared to monthly composites of satellite-derived chlorophyll data. From the hindcast, we derived indices related to mesoscale activity (eddies, plumes, fronts, stratification) and production (chlorophyll and primary production). They help characterise the evolution of the environment in a functional way, on both the seasonal and multi-decadal scales. From these indices, first, a multivariate analysis reveals an increasing number of years that deviate from the mean seasonal pattern. Second, we propose interpretations of the simulated increasing trends detected in several of them (temperature, thermocline depth and primary production). We also recommend further developments to confirm these simulated evolutions, from addition of open boundary forcing with a global circulation model, to the improvement of the dynamics of nutrient regeneration and of the seasonal variability of secondary production. As a perspective, we review the different applications made from our hindcast in relation to anchovy life cycle, a species of major interest in the Bay of Biscay
PY 2013
PD JAN
SO Journal Of Marine Systems
SN 0924-7963
PU Elsevier Science Bv
VL 109
UT 000314427500006
DI 10.1016/j.jmarsys.2012.02.009
ID 22538
ER

EF