2010 Asociación Argentina de Geofísicos y Geodestas NOTA TECNICA INFLUENCIA DE LA MAREA ASTRONÓMICA SOBRE LAS VARIACIONES DEL NIVEL DEL RÍO NEGRO EN LA ZONA DE CARMEN DE PATAGONES

The Rio Negro, natural limit between Buenos Aires and Rio Negro provinces, is one of the most important rivers of the Patagonia that ends in the Atlantic Ocean. It is navigable in the stretch between the mouth and Carmen de Patagones by vessels up to 2.04 m draft, being more difficult upstream because of irregularities in depth. The Atlantic Ocean tidal wave enters into the river producing a semidiurnal regime up to Carmen de Patagones. Knowledge of the tidal wave on this part of the Rio