. "PE10" . . . . . "Earth System Science"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . "PE10" . . . . . "Physical geography, geology, geophysics, atmospheric sciences, oceanography, climatology, cryology, ecology, global environmental change, biogeochemical cycles, natural resources management"@en . . . "2" . . . . . . . "2"^^ . . . . . . . . . . .