Thu Apr 10, F. Flechtner
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Peltier, W. R., Argus, D. F., and Drummond, R., 2015. Space geodesy constrains ice age terminal deglaciation: The global ICE-6G_C (VM5a) model. Journal of Geophysical Research (Solid Earth), 120(1):450–487, doi:10.1002/2014JB011176.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2015JGRB..120..450P,
author = {{Peltier}, W.~R. and {Argus}, D.~F. and {Drummond}, R.},
title = "{Space geodesy constrains ice age terminal deglaciation: The global ICE-6G\_C (VM5a) model}",
journal = {Journal of Geophysical Research (Solid Earth)},
keywords = {glacial isostasy, space geodesy, mantle dynamics},
year = 2015,
month = jan,
volume = {120},
number = {1},
pages = {450-487},
abstract = "{A new model of the last deglaciation event of the Late Quaternary ice
age is here described and denoted as ICE-6G\_C (VM5a). It
differs from previously published models in this sequence in
that it has been explicitly refined by applying all of the
available Global Positioning System (GPS) measurements of
vertical motion of the crust that may be brought to bear to
constrain the thickness of local ice cover as well as the timing
of its removal. Additional space geodetic constraints have also
been applied to specify the reference frame within which the GPS
data are described. The focus of the paper is upon the three
main regions of Last Glacial Maximum ice cover, namely, North
America, Northwestern Europe/Eurasia, and Antarctica, although
Greenland and the British Isles will also be included, if
peripherally, in the discussion. In each of the three major
regions, the model predictions of the time rate of change of the
gravitational field are also compared to that being measured by
the Gravity Recovery and Climate Experiment satellites as an
independent means of verifying the improvement of the model
achieved by applying the GPS constraints. Several aspects of the
global characteristics of this new model are also discussed,
including the nature of relative sea level history predictions
at far-field locations, in particular the Caribbean island of
Barbados, from which especially high-quality records of
postglacial sea level change are available but which records
were not employed in the development of the model. Although
ICE-6G\_C (VM5a) is a significant improvement insofar as the
most recently available GPS observations are concerned,
comparison of model predictions with such far-field relative sea
level histories enables us to identify a series of additional
improvements that should follow from a further stage of model
iteration.}",
doi = {10.1002/2014JB011176},
adsurl = {https://ui.adsabs.harvard.edu/abs/2015JGRB..120..450P},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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