Read our June issue
This month features articles on lightning-produced nutrients in Earth's early biosphere, the changing state of the Arctic Ocean’s Beaufort Gyre, mountain forming processes, and more.
This month features articles on lightning-produced nutrients in Earth's early biosphere, the changing state of the Arctic Ocean’s Beaufort Gyre, mountain forming processes, and more.
Icequake observations were combined with an analytical friction model to measure friction and slip at the bed of an Antarctic ice stream. Friction and slip are found to be highly variable in space and time, controlled by higher-than-expected normal stresses at the ice–bed interface.