For outstanding achievement in research on the form and dynamics of the Earth and planets.
In recognition of outstanding Earth and/or space sciences research by a scientist belonging to and working in a developing nation.
For outstanding achievements in research on the constitution and evolution of the Earth and other planets.
For outstanding contributions to the understanding of the structure, composition, and dynamics of the Earth's mantle and core.
For significant contributions to the geophysical sciences by an outstanding early career scientist.
For original research and technical leadership in geomagnetism, atmospheric electricity, aeronomy, space physics, and/or related sciences.
For significant contributions to the ocean sciences.
For outstanding contributions to hydrology.
For outstanding contributions in atmospheric sciences, atmosphere-ocean coupling, atmosphere-land coupling, biogeochemical cycles, climate or related aspects of the Earth system.
For original contributions to the basic knowledge of the crust and lithosphere of Earth and/or other planetary bodies.
For outstanding contributions to fundamental geophysics and for demonstrated unselfish cooperation in research.