Corré, V.2014-10-132014-10-132002http://hdl.handle.net/10400.1/5283Rep 01/02 - SiPLAB 09/July/2002Simulation tests are carried out to estimate the time, range and depth variations of ocean acoustic properties. The estimation is based on matched- eld inversion de ned by a coupled mode acoustic model, a linear mis t function and an hybrid search algorithm. It is shown that tracking cold laments is possible even in non-optimal conditions.engOcean acoustic propertiesAcoustic modelreport