The electronics are new, although the functions performed are unchanged. The winch and the tilting tower are both of new construction and use an electronic variable frequency inverter to drive a standard 3-phase electrical motor. A load transducer is built into the center bolt of the sheave in the drill tower. The readout from this transducer indicates the cable load with high resolution. Return to list of general abstracts Return to main GRIP reference list Jouzel, J. 1994.
Ice cores north and south.
No abstract, but summary follows. News and Views article which discusses paper by Bender et al. in same issue. The Bender paper uses delta18O of air to compare records. This article goes on from that to discuss comparisons between GISP2, GRIP, Vostok and deep-sea records, pointing out the concerns over the interpretation of the section originally identified as the Eemian in the Greenland cores. Greenland and Antarctic records.