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).

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Progress Articles

Trends in the sources and sinks of carbon dioxide

Corinne Le Quéré, Michael R. Raupach, Josep G. Canadell, Gregg Marland et al.

Published online: 17 November 2009 | doi:10.1038/ngeo689

Efforts to control climate change require the stabilization of atmospheric carbon dioxide concentrations. An assessment of the trends in sources and sinks of atmospheric carbon dioxide suggests that the sinks are not keeping up with the increase in carbon dioxide emissions, but uncertainties are still large.


Permanent storage of carbon dioxide in geological reservoirs by mineral carbonation

Jürg M. Matter & Peter B. Kelemen

Published online: 08 November 2009 | doi:10.1038/ngeo683

The rapid increase in anthropogenic emissions of greenhouse gases necessitates the consideration of mechanisms for capturing and storing carbon dioxide. Recent work suggests that fluid or gaseous carbon dioxide can be injected into the Earth's crust, and locked up as carbonate minerals to achieve near-permanent and secure sequestration.


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Letters

Stronger winds over a large lake in response to weakening air-to-lake temperature gradient

Ankur R. Desai, Jay A. Austin, Val Bennington & Galen A. McKinley

Published online: 15 November 2009 | doi:10.1038/ngeo693

Surface water temperatures in Lake Superior have warmed faster than air temperature during the thermally stratified summer season. Analyses of a range of observations show that as a result surface wind speeds above the lake have been increasing by nearly 5% per decade.


A seafloor microbial biome hosted within incipient ferromanganese crusts

A. S. Templeton, E. J. Knowles, D. L. Eldridge, B. W. Arey, A. C. Dohnalkova, S. M. Webb, B. E. Bailey, B. M. Tebo & H. Staudigel

Published online: 15 November 2009 | doi:10.1038/ngeo696

Exposed rocks on underwater mountains and ridges host abundant and diverse microbial communities. X-ray and microscopic analyses of volcanic rocks associated with Loihi seamount in Hawaii suggest that seafloor microbes may commonly be sustained by energy inputs from the water column.


Deep creep as a cause for the excess seismicity along the San Jacinto fault

Shimon Wdowinski

Published online: 08 November 2009 | doi:10.1038/ngeo684

Earthquakes are far more common along the San Jacinto fault in California than the nearby southern San Andreas fault. An analysis of seismic and geodetic data suggests that the excess seismicity along the San Jacinto fault is due to a creeping motion along the deeper parts of the fault.


Large-scale distribution of Atlantic nitrogen fixation controlled by iron availability

C. Mark Moore, Matthew M. Mills, Eric P. Achterberg, Richard J. Geider, Julie LaRoche, Mike I. Lucas, Elaine L. McDonagh, Xi Pan, Alex J. Poulton, Micha J. A. Rijkenberg, David J. Suggett, Simon J. Ussher & E. Malcolm S. Woodward

Published online: 01 November 2009 | doi:10.1038/ngeo667

Oceanic nitrogen concentrations are controlled by the balance between nitrogen fixation and denitrification. Examination of nutrient concentrations in the North and South Atlantic Ocean suggests that nitrogen fixation is controlled by the supply of dissolved iron.


Landslide movement in southwest Colorado triggered by atmospheric tides

William H. Schulz, Jason W. Kean & Gonghui Wang

Published online: 01 November 2009 | doi:10.1038/ngeo659

The Slumgullion landslide in the western United States has been moving almost continuously for over 100 years. Observations and numerical modelling show that air pressure changes from atmospheric tides trigger daily movement.


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Articles

Nitrogen-enhanced greenhouse warming on early Earth

Colin Goldblatt, Mark W. Claire, Timothy M. Lenton, Adrian J. Matthews, Andrew J. Watson & Kevin J. Zahnle

Published online: 15 November 2009 | doi:10.1038/ngeo692

Geochemical analyses and climate modelling suggest that 2.5 billion years ago much of the nitrogen now stored in the solid Earth was in the atmosphere, and that the higher atmospheric nitrogen levels would have increased the efficacy of greenhouse gases, thus warming the Earth.


Anthropogenic influences on groundwater arsenic concentrations in Bangladesh

Rebecca B. Neumann, Khandaker N. Ashfaque, A. B. M. Badruzzaman, M. Ashraf Ali, Julie K. Shoemaker & Charles F. Harvey

Published online: 15 November 2009 | doi:10.1038/ngeo685

Microbially mediated oxidation of organic carbon is thought to drive the release of arsenic into groundwater. Hydrological and geochemical analyses suggest that pond water is the source of organic carbon in groundwater in Bangladesh.


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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