Assessing Atmospheric Water Injection from Oceanic Impacts

摘要

Collisions of asteroids and comets with the Earths surface are rare events that punctuate the geologic record. Due to the vastness of Earths oceans, oceanic impacts of asteroids or comets are expected to be about 4 times more frequent than land impacts. The resulting injections of oceanic water into the upper atmosphere can have important repercussions on Earths climate and atmospheric circulation. However, the duration and overall effect of these large injections are still unconstrained. This work addresses atmospheric injections of large amounts of water in oceanic impacts.