Highly variable deep-sea currents over tidal and seasonal timescales
Nature » Geoscience
by Lewis P. Bailey, Michael A. Clare, James E. Hunt, Ian A. Kane, Elda Miramontes, Marco Fonnesu, Ricardo Argiolas, Giuseppe Malgesini, Regis Wallerand
17h ago
Nature Geoscience, Published online: 25 July 2024; doi:10.1038/s41561-024-01494-2 Mooring observations suggest that deep-sea currents exhibit substantial variability over tidal and seasonal timescales, driving a complex pattern of sediment transport ..read more
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Moist heatwaves intensified by entrainment of dry air that limits deep convection
Nature » Geoscience
by Suqin Q. Duan, Fiaz Ahmed, J. David Neelin
17h ago
Nature Geoscience, Published online: 25 July 2024; doi:10.1038/s41561-024-01498-y Climate model simulations and reanalysis data suggest that inhibition of atmospheric convection by dry air intensifies moist heatwaves, and this process may further increase moist heatwaves under climate warming ..read more
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Isotopic evidence against North Pacific Deep Water formation during late Pliocene warmth
Nature » Geoscience
by Joseph B. Novak, Rocío P. Caballero-Gill, Rebecca M. Rose, Timothy D. Herbert, Harry J. Dowsett
17h ago
Nature Geoscience, Published online: 23 July 2024; doi:10.1038/s41561-024-01500-7 Late Pliocene warmth did not lead to substantial deep water formation in the North Pacific as previously proposed, according to benthic foraminifera carbon isotope transects ..read more
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Evidence of dark oxygen production at the abyssal seafloor
Nature » Geoscience
by Andrew K. Sweetman, Alycia J. Smith, Danielle S. W. de Jonge, Tobias Hahn, Peter Schroedl, Michael Silverstein, Claire Andrade, R. Lawrence Edwards, Alastair J. M. Lough, Clare Woulds, William B. Homoky, Andrea Koschinsky, Sebastian Fuchs, Thomas Kuhn, Franz Geiger, Jeffrey J. Marlow
4d ago
Nature Geoscience, Published online: 22 July 2024; doi:10.1038/s41561-024-01480-8 Oxygen is generated abiotically at the abyssal seafloor in the presence of polymetallic nodules, potentially by seawater electrolysis, according to in situ chamber and ex situ incubation experiments ..read more
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Substantial increase in China’s manufactured sand supply since 2010
Nature » Geoscience
by Heming Wang, Peng Wang, Xu Zhang, Wei-Qiang Chen, Asaf Tzachor, Tomer Fishman, Heinz Schandl, Michele Acuto, Yi Yang, Yingying Lu, Catrin Böcher, Fengmei Ma, Chao Zhang, Qiang Yue, Tao Du, Jianguo Liu, Yong-Guan Zhu
1w ago
Nature Geoscience, Published online: 19 July 2024; doi:10.1038/s41561-024-01501-6 The increasing use of manufactured sand in China since 2010 has greatly reduced the proportion of natural sand in the country’s total sand supply, from 80% in 1995 to 21% in 2020, according to a material flow analysis of sand in China ..read more
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Majority of global river flow sustained by groundwater
Nature » Geoscience
by Jiaxin Xie, Xiaomang Liu, Scott Jasechko, Wouter R. Berghuijs, Kaiwen Wang, Changming Liu, Markus Reichstein, Martin Jung, Sujan Koirala
1w ago
Nature Geoscience, Published online: 19 July 2024; doi:10.1038/s41561-024-01483-5 Groundwater supplies about 59% of global river flow, suggesting a larger contribution of groundwater to the global water cycle than currently appreciated, according to an analysis integrating estimates from models and observations ..read more
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Melting at the base of a terrestrial magma ocean controlled by oxygen fugacity
Nature » Geoscience
by Yanhao Lin, Takayuki Ishii, Wim van Westrenen, Tomoo Katsura, Ho-Kwang Mao
1w ago
Nature Geoscience, Published online: 16 July 2024; doi:10.1038/s41561-024-01495-1 The melting behaviour of Earth’s primitive mantle was strongly sensitive to changes in oxygen fugacity, according to high-pressure experiments on pyrolite under different redox conditions ..read more
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Publisher Correction: Decline in atmospheric nitrogen deposition in China between 2010 and 2020
Nature » Geoscience
by Lei Liu, Zhang Wen, Sheng Liu, Xiuying Zhang, Xuejun Liu
1w ago
Nature Geoscience, Published online: 15 July 2024; doi:10.1038/s41561-024-01504-3 Publisher Correction: Decline in atmospheric nitrogen deposition in China between 2010 and 2020 ..read more
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Contributions of core, mantle and climatological processes to Earth’s polar motion
Nature » Geoscience
by Mostafa Kiani Shahvandi, Surendra Adhikari, Mathieu Dumberry, Sadegh Modiri, Robert Heinkelmann, Harald Schuh, Siddhartha Mishra, Benedikt Soja
2w ago
Nature Geoscience, Published online: 12 July 2024; doi:10.1038/s41561-024-01478-2 Core processes, dynamically linked to mantle and climate-related surface processes, contribute to both the long-term trend and shorter-term fluctuations observed in Earth’s polar motion, according to predictions from physics-informed neural networks ..read more
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Emergence of lake conditions that exceed natural temperature variability
Nature » Geoscience
by Lei Huang, R. Iestyn Woolway, Axel Timmermann, Sun-Seon Lee, Keith B. Rodgers, Ryohei Yamaguchi
2w ago
Nature Geoscience, Published online: 12 July 2024; doi:10.1038/s41561-024-01491-5 Earth system models project that lake temperatures will warm beyond the range of natural variability to which aquatic ecosystems are adapted in the coming decades, with conditions exceeding natural analogues sooner at lower latitudes ..read more
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