hydrospheric sciences
Academic term for the interdisciplinary study of the hydrosphere, including oceanography, hydrology, and related fields.
Hydrospheric sciences is a broad field that includes oceanography and limnology.
Oceanography; a major subfield of hydrospheric sciences focusing specifically on oceans.
Limnology; the study of inland waters, another component of hydrospheric sciences.
Compound of 水圏 (hydrosphere) and 科学 (science). The exact historical derivation is uncertain, but the term follows standard academic naming patterns.