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Oodaaq Ø and other short-lived islets north of Greenland

Published online by Cambridge University Press:  08 July 2019

Ole Bennike Open the ORCID record for Ole Bennike [Opens in a new window]  and
Jeff Shea
Ole Bennike*
Affiliation:
Geological Survey of Denmark and Greenland (GEUS), C.F. Møllers Allé 8, DK-800 Aarhus C, Denmark
Jeff Shea
Affiliation:
World Parks, Inc., 2785 Goodrick Avenue, Richmond, CA 94801USA
*
Author for correspondence: Ole Bennike, E-mail: [email protected]
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Abstract

In 1978, a small island was discovered north of Kaffeklubben Ø, until then considered the most northern island on Earth. This island was named Oodaaq Ø. It was visited again in 1979, and in 1980 it was seen from Kaffeklubben Ø by members of the Sirius sledge patrol. Sirius searched for Oodaaq Ø again from 1981 to 1984 but did not find it. During the period from 1996 to 2008, the region was visited regularly and a number of new islets were discovered: the 1996 ATOW Island, KMS Island, 2001 RTOW Island, 83-42 Island, Stray Dog West Island and the 2008 Island. The islets are composed of gravel. We believe the area with islets is shallow, being a continuation of a coastal plain to the south. We suggest that the sea floor in the area is irregular and that the islets form by floes of sea ice that bulldoze material from the sea floor up above sea level. In some cases, perhaps all, the islets disappear when sea ice floes bulldoze sediment back below sea level. Alternatively, the so-called islets are just accumulations of gravel on sea ice.

Keywords

Oodaaq ØGreenlandKaffeklubben ØKap Morris Jesup
Type
Research Article
Information
Polar Record , Volume 55 , Issue 1 , January 2019 , pp. 14 - 24
Copyright
© Cambridge University Press 2019 

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