Advance online publication
The latest research papers, published online ahead of print. These online versions are definitive and may be cited using the digital object identifier (DOI).
About advance online publicationNews and Views
Geomorphology: Where glaciers cut deep
Johan Kleman
Published online: 11 May 2008; | doi:10.1038/ngeo210
Stunning images of fjords are familiar to geologists, but their origins are less well known. A simple model suggests that topographic steering of ice and erosion proportional to ice discharge are sufficient to explain fjord formation during the Quaternary period.
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Letters
Fjord insertion into continental margins driven by topographic steering of ice
Mark A. Kessler, Robert S. Anderson & Jason P. Briner
Published online: 11 May 2008; | doi:10.1038/ngeo201
Fjords line mountainous continental margins where icesheets and glaciers once stood. A two-dimensional model simulation suggests that fjords can be eroded within one million years, primarily in response to topographic ice steering and erosion from ice discharge. Subsequent glaciers that form on these landscapes are smaller and exhibit greater responses to climate change.
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Geochemical evidence for enhanced fluid flux due to overlapping subducting plates
Hitomi Nakamura, Hikaru Iwamori & Jun-Ichi Kimura
Published online: 11 May 2008; | doi:10.1038/ngeo200
Overlapping subduction of the Pacific and Philippines Sea plates leads to an enhanced fluid flux to the mantle source of arc volcanoes in central Japan. Spatial variability in the amount of fluid that each plate contributes is determined by the configuration of the subducting plates.
First Paragraph - | Full Text - Geochemical evidence for enhanced fluid flux due to overlapping subducting plates | PDF (805 KB) - Geochemical evidence for enhanced fluid flux due to overlapping subducting plates | Supplementary information
Evidence for a very-long-term trend in geomagnetic secular variation
Andrew J. Biggin, Geert H. M. A. Strik & Cor G. Langereis
Published online: 04 May 2008; | doi:10.1038/ngeo181
Reconstructions of palaeosecular variation suggest that the Earth's magnetic field reversed less frequently 2.82 to 2.45 billion years ago, relative to the Cenozoic era. This suggests a long-term trend of decreasing geodynamo stability since the Archaean eon.
First Paragraph - | Full Text - Evidence for a very-long-term trend in geomagnetic secular variation | PDF (266 KB) - Evidence for a very-long-term trend in geomagnetic secular variation | Supplementary information
Until print versions of AOP papers are published, they should be cited in the style "Author(s) Nature Geoscience advance online publication, day month year (doi:10.1038/ngeoXXXXX)". Once the print version (identical to the AOP) is published, it should be cited as follows: "Author(s) Nature Geoscience volume, page (year); advance online publication, (doi:10.1038/ngeoXXXXX)".
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