Nature Geoscience, Published online: 23 September 2019; doi:10.1038/s41561-019-0450-3 A redistribution of marine calcifiers along with a reduction in weathering led to increased seafloor carbonate deposition during the late Neogene, according to a global compilation of carbonate mass accumulation rate records from sediment cores.
Nature Geoscience, Published online: 14 October 2019; doi:10.1038/s41561-019-0466-8 Isolation of deep water around Antarctica due to surface cooling can explain half of the change in atmospheric CO2 levels through glacial–interglacial cycles, according to coupled ocean–sea ice and biogeochemical numerical modelling.
Nature Geoscience, Published online: 02 December 2019; doi:10.1038/s41561-019-0491-7 River meanders migrate much faster in barren than in vegetated landscapes, according to global analyses of active meander migration of both unvegetated and vegetated rivers. The difference in migration rates suggests that the rise of land plants had a significant influence on landscapes.
Nature Geoscience, Published online: 02 December 2019; doi:10.1038/s41561-019-0489-1 Deep-reaching, small-scale oceanic fronts can drive upward heat transport from the ocean interior to the surface in eddy-rich regions, suggest satellite and in situ observations of the Antarctic Circumpolar Current.
Nature Geoscience, Published online: 02 December 2019; doi:10.1038/s41561-019-0492-6 Carbon cycling in the mantle may be a common mechanism that links the Great Oxidation Event and the subsequent Lomagundi increase in carbon isotope values, according to a box model that accounts for carbon and oxygen fluxes and reservoirs.
Nature Geoscience, Published online: 18 November 2019; doi:10.1038/s41561-019-0484-6 Land management strategies for enhancing soil carbon sequestration need to be tailored to different soil types, depending on how much organic matter is stored in pools of mineral-associated and particulate organic matter, suggests an analysis of soil organic matter across Europe.
Nature Geoscience, Published online: 28 October 2019; doi:10.1038/s41561-019-0476-6 Regeneration efficiencies of dissolved iron in the mesopelagic zone vary significantly across the oceans, largely depending on particulate composition, according to in situ mesopelagic experiments.