SECULAR GRAVITY CHANGES - MEASUREMENTS AND PREDICTIONS FOR SELECTED CANADIAN SITES

被引：6

作者：

TUSHINGHAM, AM ^{[1
]}

LAMBERT, A ^{[1
]}

LIARD, JO ^{[1
]}

PELTIER, WR ^{[1
]}

机构：

[1] UNIV TORONTO, DEPT PHYS, TORONTO M5S 1A7, ONTARIO, CANADA

来源：

CANADIAN JOURNAL OF EARTH SCIENCES | 1991年 / 28卷 / 04期

关键词：

D O I：

10.1139/e91-049

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Secular variations in surface gravity (g) over Canada are dominated by the Late Wisconsin deglaciation signal. Theoretical modelling of this deglaciation shows that the maximum values for g are to be expected around Hudson Bay. Using the JILA-2 absolute gravity apparatus of the Geological Survey of Canada, it should be possible to determine g at three sites near Hudson Bay by about 1993 and at more sites soon afterward. Secular rates of the ongoing postglacial-adjustment process will soon be determined at inland sites where no contemporary rates have been available.

引用

页码：557 / 560

页数：4

共 18 条

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