منابع مشابه
Crustal structure and apparent tectonic underplating from receiver function analysis in South Island, New Zealand
[1] We utilize seismic converted phases on more than 700 receiver functions calculated for 42 stations in the South Island, New Zealand, to infer crustal and uppermost mantle structure. We determine the crustal thickness from direct observations of conversion from the Moho interface and infer zone of the maximum thickness being located along the axis of the Southern Alps, just east from the Alp...
متن کاملCrustal Deformation due to Atmospheric Pressure Loading in New Zealand
We investigate atmospheric pressure loading displacements in New Zealand using global and regional air-pressure data collected over a period of 50 years (1960-2009). The elastic response of the Earth to atmospheric loading is calculated by adopting mass loading Love numbers based on the parameters of the Preliminary Reference Earth Model (PREM). The ocean response to atmospheric loading is comp...
متن کاملThe Crustal Structure
This thesis consists of three papers examining problems related to the crustal structure, isostasy and subsidence history of aseismic ridges and mid-plate island chains. Analysis of gravity and bathymetry data across the Ninetyeast and eastern Walvis Ridges indicates these features are locally compensated by an overthickening of the oceanic crust. Maximum crustal thicknesses are 15-30 km. The w...
متن کاملCrustal Structure of the Earth
The boundary between the crust and the mantle was discovered by Mohorovicic in 1909 under the European continent. Subsquent research in this century established the major differences between the continental and oceanic crust; a typical thickness for the continental crust is 30-50 km while a typical thickness for me oceanic crusts is 6 km. In terms of history the continental crust contains a muc...
متن کاملCoote New Zealand Futures Trust New Zealand
On Media A workshop report from US Institute for Peace examined Arab media, August, 05 (http://usip.org/virtual diplomacy/publications/reports/18.html), with special focus on attitudes to US and to the West. The relevant Arab governments play a double role since mostly, they control the media, where they appease the ideological positions of their own threatening insurgencies while focusing publ...
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ژورنال
عنوان ژورنال: Nature
سال: 1955
ISSN: 0028-0836,1476-4687
DOI: 10.1038/176032a0