near the core of the Current were terminated deeper. They Channel.carried an uplooking 75 kHz Long Ranger ADCP to measure This validation with the moored measurements was essen-currents in the upper 500 m. tial for the scientists to be able to use the altimeter data as a The Current was about 200 km wide and reached 3000 m 20-year index of the Current’s transport. This index offered a depth. The water transported was 84 million cubic meters much longer record for examining seasonal and interannual per second. A similar discharge was reported for the upper changes in the Current. 2000 m of the Gulf Stream where it leaves the US coast. Of signi