Author details

Daouda Diouf<sup>1</sup> \*, Awa Niang<sup>1</sup> , Julien Brajard<sup>2</sup> , Salam Sawadogo<sup>1</sup> , Michel Crepon<sup>2</sup> and Sylvie Thiria<sup>2</sup>

\*Address all correspondence to: dadiouf2001@yahoo.fr

1 Ecole Supérieure Polytechnique, Université Cheikh Anta Diop de Dakar, Dakar Fann, Sénégal

2 IPSL/LOCEAN, Université, Paris, France
