The Brazilian Journal of Oceanography covers the entire spectrum of disciplines within the science of oceanography, publishing articles dealing with the biological oceanography, physical oceanography, marine chemistry, sedimentology and geology, from coastal and estuarine waters out to the open sea. Emphasis is placed on inter-disciplinary process-oriented contributions. BJO also publishes issues dedicated to results of scientific meetings and of large inter-disciplinary studies or topical issues on specific subjects.

The audience is composed by physical, chemical and biological oceanographers, marine sedimentologists, geologists and geochemists, marine biologists and ecologists.

Papers sent to BJO must present results from original research and be written in english.