Implementation of position assimilation for ARGO floats in a realistic Mediterranean Sea OPA model and twin experiment testing V. Taillandier and A. Griffa CNR-ISMAR, Forte Santa Teresa, 19036 Lerici, La Spezia, Italy RSMAS, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, USA Received: 23 February 2006 – Accepted: 9 April 2006 – Published: 18 May 2006 Correspondence to: V. Taillandi...