Which river is fuller than Colorado or Columbia? why?

The Columbia River is richer than the Colorado River.
Because the Columbia River flows closer to the equator. Such rivers are always full of water.
The Columbia River is a flat river and has many tributaries.
The Colorado River is a mountain river that flows through narrow valleys.
Colombia flows through an area with a temperate maritime climate.
Colorado flows through an area with a subtropical and Mediterranean climate. Most of the river flows through dry steppes and deserts.
The flow rate of the Columbia River is 7500 m3 / s.
The flow rate of the Colorado River is 1200 m3 / s.