Nature Geoscience - Issue - nature.com science feeds

Each month, Nature Geoscience will bring you top-quality research papers, reviews and opinion pieces - in print and online.

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Global dominance of tectonics over climate in shaping river longitudinal profiles

Hazard cascades

Nature Geoscience, Published online: 07 April 2021; doi:10.1038/s41561-021-00738-9Interacting geological processes can cause complex hazard cascades that threaten life and property. Past events are instructive, but physical understanding must be paired with effective communication to minimize the risks posed by these events.

Co-variation of silicate, carbonate and sulfide weathering drives CO<sub>2</sub> release with erosion

Nature Geoscience, Published online: 07 April 2021; doi:10.1038/s41561-021-00714-3Unlike sulfide and carbonate, silicate weathering does not increase with physical erosion, which could result in a net release of carbon dioxide associated with uplift, according to stream-water chemistry of southern Taiwan.

Hazard cascades

Co-variation of silicate, carbonate and sulfide weathering drives CO<sub>2</sub> release with erosion

Bedrock weathering contributes to subsurface reactive nitrogen and nitrous oxide emissions

Nature Geoscience, Published online: 05 April 2021; doi:10.1038/s41561-021-00717-0Weathering of deep bedrock releases reactive nitrogen into the subsurface, which contributes to the flux of nitrous oxide to the atmosphere, according to a field study that combines soil, rock and groundwater data within a river catchment.

Half of global methane emissions come from highly variable aquatic ecosystem sources

Nature Geoscience, Published online: 05 April 2021; doi:10.1038/s41561-021-00715-2Methane emissions from aquatic systems contribute approximately half of global methane emissions, according to meta-analysis of natural, impacted and human-made aquatic ecosystems and indicating potential mitigation strategies to reduce emissions.

Half of global methane emissions come from highly variable aquatic ecosystem sources

Bedrock weathering contributes to subsurface reactive nitrogen and nitrous oxide emissions

Impaired viral infection and reduced mortality of diatoms in iron-limited oceanic regions

Nature Geoscience, Published online: 01 April 2021; doi:10.1038/s41561-021-00711-6Diatoms are less susceptible to viral infection in iron-limited oceans, according to metatranscriptomic analyses of diatoms and viruses in nutrient-replete and limited regions.

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