Fróðskaparrit - 01.01.1975, Side 38

Fróðskaparrit - 01.01.1975, Side 38
46 Earth Tides stations are now occupied in Iceland (Reykjavik) and in Greenland (Godhavn) and later on in the Labrador. The »Trans World Profile 1« has been undertaken in no- vember 1973 from Bruxeiles to Asia and includes already nine stations: Cairo, Hyderabad, New Delhi, Kathmandu, Bangkok, Chiang Mai, Manila, Hong Kong and Port Mores- by. One month observations made by UCLA at Baguio (100 km north of Manila), Sa'igon and Delhi has been reanalysed by the new methods and gives results in close agreement with ours. This experience will be continued in Australia in 1975 (Dar- win, Alice Springs, Broken Hill, Canberra, Perth, Charters Tower, Hobart). Bruxelles has been tied to Japan by T. Sato in 1974, using two different gravimeters. A project exists also to make measurements in South Ame- rica in 1976 or 1977, with the cooperation of the Geodetic Institute of Tucuman University (J. C. Usandivaras). PRELIMINARY REMARKS CONCERNING THE RESULTS OBTAINED AT TORSHAVN (Faeroe) The measurements performed at Torshavn must be considered as a tentative to solve the inverse problem of oceanography as described in point 4. The numerical results obtained here show a very different behaviour in function of the tidal frequencies. 1. the Diurnal waves are not very much disturbed for such a central oceanic situation as amplitude factors and phases do not differ very much from their continental values. The disturbance however is bigger for Ki than for Oi. 2. the Semi-Diurnal waves have highly disturbed amplitude factors, 13 °/o higher than their values observed in Western Europe. However the phase is practically zero for Mo while there is an important lag for Se. This depends upon the
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