NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 23 of 963
On transient rheology and glacial isostasy
Author and Affiliation:
Yuen, David A.(Colorado, University)
Sabadini, Roberto C. A.(Bologna, Universita, Italy)
Gasperini, Paolo(Istituto Nazionale di Geofisica, Rome, Italy)
Boschi, Enzo(Istituto Nazionale di Geofisica, Rome, Bologna, Universita)
Abstract: The effect of transient creep on the inference of long-term mantle viscosity is investigated using theoretical predictions from self-gravitating, layered earth models with Maxwell, Burgers' body, and standard linear solid rheologies. The interaction between transient and steady-state rheologies is studied. The responses of the standard linear solid and Burgers' body models to transient creep in the entire mantle, and of the Burgers' body and Maxwell models to creep in the lower mantle are described. The models' responses are examined in terms of the surface displacement, free air gravity anomaly, wander of the rotation pole, and the secular variation of the degree 2 zonal coefficient of the earth's gravitational potential field. The data reveal that transient creep cannot operate throughout the entire mantle.
Publication Date: Oct 01, 1986
Document ID:
19870033573
(Acquired Nov 28, 1995)
Accession Number: 87A20847
Subject Category: GEOPHYSICS
Document Type: Journal Article
Publication Information: Journal of Geophysical Research (ISSN 0148-0227); 91; 11
Publisher Information: United States
Contract/Grant/Task Num: NSF EAR-82-14094; NSF EAR-85-11200; CNR-PSN-84,09; NAG5-400
Financial Sponsor: NASA; United States
Organization Source: Colorado Univ.; Boulder, CO, United States
Bologna Univ.; Rome, Italy
Istituto Nazionale di Geofisica
Description: 19p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: EARTH MANTLE; GEOPHYSICS; ISOSTASY; RHEOLOGY; ADIABATIC CONDITIONS; ATLANTIC OCEAN; DISPLACEMENT; GRAVITY ANOMALIES; SEA LEVEL; TRANSIENT RESPONSE; VISCOELASTICITY
Imprint And Other Notes: Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Oct. 1986, p. 11,420-11,438.
Miscellaneous Notes: 20-11,438
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 18, 2011
Contact Us