Traditionally it is regarded as a branch of the atmospheric sciences and a subfield of physical geography; however, with recent increases in scope this is no longer appropriate, as it now includes aspects of oceanography and biogeochemistry.
Traditionally it is regarded as a branch of the atmospheric sciences and a subfield of physical geography, which is one of the Earth sciences. With recent increases in scope this is no longer sufficient, as it now includes aspects of oceanography and biogeochemistry.