140 likes | 305 Views
Anthropogenic and natural CO 2 exchange through the Strait of Gibraltar. Jesús García-Lafuente Antonio Sánchez-Román. Ahmed Makaoui Abdellatif Orbi. Aida F. Ríos Susana Rodríguez-Gálvez Javier Ruiz Fiz F. Pérez. I. Emma Huertas. 2.51 millons of km². MEDITERRANEAN SEA. SPAIN. GIFT.
E N D
Anthropogenic and natural CO2 exchange through the Strait of Gibraltar Jesús García-Lafuente Antonio Sánchez-Román Ahmed Makaoui Abdellatif Orbi Aida F. Ríos Susana Rodríguez-Gálvez Javier Ruiz Fiz F. Pérez I. Emma Huertas
2.51 millons of km² MEDITERRANEAN SEA SPAIN GIFT 14 km MOROCCO ATLANTIC OCEAN
1)Seguimiento conjunto hispano-marroquí de una Serie Temporal en el Estrecho de Gibraltar (2005MA0004-2007MA0056) CSIC-CNRST 2) Acción Complementaria: Campañas Oceanográficas Asociadas al Proyecto Integrado Europeo CARBOOCEAN (CTM2006-26206-E/MAR) 3) Producción Pelágica en la Plataforma Atlántico-Andaluza (CTM2006-26206-E/MAR) 4)SESAME IP: Southern European Seas: Assessing and Modeling Ecosystem Changes (FP6-036949 GOCE)
Atlantic-Mediterranean Interface (AMI) Surface Atlantic Water (SAW) Inflow Mediterranean Water (MOW) Outflow
10 m AI AMI MOW 20 m DATA ANALYSED ONGOING ANALYSIS
S S S S q (ºC) q (ºC) q (ºC) AT (mmolkg-1) DO (mmolkg-1) pHT TIC (mmolkg-1)
AT= 92.98*S-993 n=298 r2=0.989
CONCENTRATION OF CANT IN THE STRAIT OF GIBRALTAR: DIFFERENT APPROACHES TrOCA C* Cbio CaCO3diss
CAMARINAL G2 ESPARTEL G1 G3 INFLOW 0.8 Sv 1 Sv INTERFACE ATLANTIC MEDITERRANEAN OUTFLOW 1 Sv 0.8 Sv
García-Lafuente et al. (2002a). Subinertial variability in the flow through the Strait of Gibraltar JGR (DOI: 10.1029/2001JC0011004). García-Lafuente et al. (2002b). Inflow interruption by meteorological forcing in the Strait of Gibraltar. GRL (DOI 10.1029/2002GL015446). García Lafuente et al. (2002c). Low frequency variability of the exchanged flows through the Strait of Gibraltar during CANIGO. DSR Vargas et al. (2006) Fortnightly and monthly variability of the exchange through the Strait of Gibraltar, PiO.
TIME SERIES OF MOW AT ESPARTELL SILL García-Lafuente et al. (2007) JGR (prior data set 2004-2005)
Atlantic Ocean Gibraltar Mediterranean Sea 49 19 st 7 st 6 st 8 0.89 Sv 0.85 Sv FNDOC=14 O2 CO2 outgassing S=36.53 S=36.30 37.8 FNCANT(C*)=11 0.13 Sv Rivers FNCbio=-35 Black Sea Entrainment Mixing 0.044 Sv 37.0 FNAT=-44 S=38.397 FNCT=-67 S=38.06 Camarinal Sill CaCO3 -0.80 Sv -0.85 Sv 16 Espartel Sill Units in kmol s-1 NET FLUXES OF CARBON THROUGH THE STRAIT OF GIBRALTAR FN=FM-FA=(rM*QM*CTM)-(rA*QA*CTA) 1Data taken from Dafner et al. (2001) Schneider et al., 2007
CT CANT Conclusions A net export of inorganic carbon equivalent to 0.025 Pg C yr-1 takes place from the Mediterranean Sea to the Atlantic Ocean An annual flux of 4.2 Tg CANT towards the Mediterranean basin can be detected THE ATLANTIC IS FEEDING THE MEDITERRANEAN WITH CANT!! I.E.Huertas, A. F. Ríos, J. García-Lafuente, A. Makaoui, S. Rodríguez-Gálvez, A.Sánchez-Román, A. Orbi, J. Ruíz and F. F. Pérez. Anthropogenic and natural CO2 exchange through the Strait of Gibraltar. Biogeosciences (submitted)
TO BE CONTINUED….. GIFT THANK YOU SO MUCH