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Robertson & Kibblewhite 1966

Robertson, E.I. and Kibblewhite, A.C. (1966). Bathymetry around isolated volcanic islands and atolls in the south Pacific Ocean. New Zealand Journal of Geology and Geophysics 9(1-2): 111-121.

The results of bathymetric surveys around six isolated basaltic islands and atolls in the Cook group and three in the Tokelau group are presented. In all cases radial profiles approximate very closely to the equation y = y (sub o) e (super -cx) where y is the elevation of the sea bed above the mean level of the surrounding ocean floor (y (sub o)), x is the distance from the outer reef edge, and c is a constant. Using one km as the unit of length, the value of c for individual islands varies from 0.09 to 0.11, the average being 0.10. The use of this average value for a surrounding ocean depth of 4,500 m gives a maximum error in the water depth of only 165 m, and a sea bed slope near the reef of 24 degrees.

Keywords
bathymetry, cook, geomorphology, marine geology, Pacific Ocean, south, southern, structure, tokelau groups, 07 Oceanography, 23 Geomorphology

Journal
New Zealand Journal of Geology and Geophysics
http://www.rsnz.org/publish/nzjgg/

Publisher
The Royal Society of New Zealand