Toward its margin the thinned ice was constantly losing its transportive power, and at its edge this power was altogether gone.
Increase in the declivity or the volume of a stream increases its velocity and therefore its transportive power.
late 14c., from Old French transporter "carry or convey across" (14c.), from Latin transportare, from trans- "across" (see trans-) + portare "to carry" (see port (n.1)). Sense of "carry away with strong feelings" is first recorded c.1500. Meaning "to carry away into banishment" is recorded from 1660s. The noun is attested from mid-15c., originally "mental exaltation;" sense of "means of transportation" is recorded from 1690s.
transport trans·port (trāns'pôrt')
The movement or transference of biochemical substances that occurs in biological systems.