It is named after the geologist Edgeworth David and is fed by two main flows which drain an area larger than 200,000 square kilometres of the East Antarctic plateau, with an estimated ice discharge rate of 7.8 +/- 0.7 km³/year.
It is named after geologist Edgeworth David and is sustained by two main tributaries that empty a region larger than 200,000 square kilometers of the East Antarctic plateau, with an estimated ice outflow rate of 7.8 +/- 0.7 cubic kilometers per year.