Nature Geoscience contents: April 2018 Volume 11 Number 4

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TABLE OF CONTENTS April 2018 Volume 11, Issue 4 Editorial Correspondence News & Views Perspectives Articles Advertisement   Focal Point on Japan's Designated National University Initiative Japan's radical new program to boost just a handful of universities has precedents across the world  Access free online  Editorial Mars at war    p219 doi:10.1038/s41561-018-0107-7 Correspondence Interpretations of the Paris climate target    pp220 - 221 A. P. Schurer, K. Cowtan, E. Hawkins, M. E. Mann, V. Scott et al. doi:10.1038/s41561-018-0086-8 Reply to 'Interpretations of the Paris climate target'    p222 Richard J. Millar, Jan S. Fuglestvedt, Pierre Friedlingstein, Joeri Rogelj, Michael J. Grubb et al. doi:10.1038/s41561-018-0087-7 News & Views Grounded meets floating    pp223 - 224 Ryan T. Walker doi:10.1038/s41561-018-0098-4 Metal footprint linked to economy    pp224 - 225 Paul J. Burke doi:10.1038/s41561-018-0101-0 Earthquake record in garnet    p225 Rebecca Neely doi:10.1038/s41561-018-0106-8 Anoxia in the snow    pp226 - 227 Laura A. Bristow doi:10.1038/s41561-018-0088-6 Super-volcanic investigations    pp227 - 229 Christy B. Till, Matthew Pritchard, Craig A. Miller, Karalee K. Brugman & Juliet Ryan-Davis doi:10.1038/s41561-018-0100-1 Subduction-driven Earth machine    p229 Luca Dal Zilio doi:10.1038/s41561-018-0102-z Geoscience JOBS of the week Scientist or Technical Scientist at DCOP, JAMSTEC Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Associate Professor / Professor in Biodiversity Genomics The University of Western Australia (UWA) More Science jobs from Geoscience EVENT International Conference on Geology, Ecology & Landscape ICOGEL 2018 10.08.18 Bali, Indonesia More science events from Perspectives The geological and climatological case for a warmer and wetter early Mars    pp230 - 237 Ramses M. Ramirez & Robert A. Craddock doi:10.1038/s41561-018-0093-9 Advertisement Do you have a career question?  The Naturejobs podcast features one-on-one Q&As, panel discussions and other exclusive content to help scientists with their careers. Hosted on the Naturejobs blog, the podcast is also available on iTunes and Soundcloud. Listen today!   Articles Observationally derived rise in methane surface forcing mediated by water vapour trends    pp238 - 243 D. R. Feldman, W. D. Collins, S. C. Biraud, M. D. Risser, D. D. Turner et al. doi:10.1038/s41561-018-0085-9 Observations of the radiative forcing from methane at the Earth's surface are influenced by absorption effects from water vapour, according to spectroscopic measurements and line-by-line calculations. A vegetation control on seasonal variations in global atmospheric mercury concentrations    pp244 - 250 Martin Jiskra, Jeroen E. Sonke, Daniel Obrist, Johannes Bieser, Ralf Ebinghaus et al. doi:10.1038/s41561-018-0078-8 Terrestrial vegetation contributes to the seasonal variation of atmospheric mercury concentrations, according to analyses of atmospheric trace gas dynamics and satellite data. The data show that the photosynthetic activity of vegetation correlates with atmospheric mercury. Microplastic contamination of river beds significantly reduced by catchment-wide flooding    pp251 - 257 Rachel Hurley, Jamie Woodward & James J. Rothwell doi:10.1038/s41561-018-0080-1 Winter floods flushed out 70% of the microplastic contamination from riverbed sediments in northwest England, according to analyses of sediment samples from 40 rural and urban sites. Net retreat of Antarctic glacier grounding lines    pp258 - 262 Hannes Konrad, Andrew Shepherd, Lin Gilbert, Anna E. Hogg, Malcolm McMillan et al. doi:10.1038/s41561-018-0082-z Grounding lines in parts of West Antarctica, East Antarctica and the Antarctic Peninsula retreated faster than typical post-glacial pace, according to satellite observations and ice geometry measurements. Global niche of marine anaerobic metabolisms expanded by particle microenvironments    pp263 - 268 Daniele Bianchi, Thomas S. Weber, Rainer Kiko & Curtis Deutsch doi:10.1038/s41561-018-0081-0 Particle microenvironments can sustain anaerobic metabolisms such as denitrification in hypoxic ocean areas, according to biogeochemical modelling. Rates of water column denitrification may be up to double previous estimates. High sensitivity of metal footprint to national GDP in part explained by capital formation    pp269 - 273 Xinzhu Zheng, Ranran Wang, Richard Wood, Can Wang & Edgar G. Hertwich doi:10.1038/s41561-018-0091-y A country's metal footprint increases by 2% for every 1% increase in gross capital formation, according to a metal footprint quantification and panel analysis of 43 economies during 1995–2013. Accretion mode of oceanic ridges governed by axial mechanical strength    pp274 - 279 A. L. R. Sibrant, E. Mittelstaedt, A. Davaille, L. Pauchard, A. Aubertin et al. doi:10.1038/s41561-018-0084-x The shape of mid-ocean ridges is influenced by lithospheric mechanical strength, according to laboratory simulations of diverging plates. The results imply that large tectonic plates probably could not have formed on a younger, hotter Earth. Lower-mantle plume beneath the Yellowstone hotspot revealed by core waves    pp280 - 284 Peter L. Nelson & Stephen P. Grand doi:10.1038/s41561-018-0075-y The Yellowstone hotspot could be fed by a thin, thermal mantle plume that extends from the core–mantle boundary to the surface position of the hotspot, according to analyses of seismic data. Chilean megathrust earthquake recurrence linked to frictional contrast at depth    pp285 - 290 M. Moreno, S. Li, D. Melnick, J. R. Bedford, J. C. Baez et al. doi:10.1038/s41561-018-0089-5 The recurrence time of megathrust earthquakes in Chile may be controlled by frictional contrasts at depth, according to analyses of stress build-up and release related to the December 2016 southern Chile earthquake. Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. 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