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Regular fish chorusing during spring and summer makes the underwater soundscape in the Eastern Taiwan Strait more complex and predictable than in autumn and winter, suggesting that acoustic surveys may help monitor ecosystem health.
Monte Carlo-based mass balance simulations suggest that the formation of porphyry copper deposits requires fast accumulation of large magma volumes, which are also capable of destroying those deposits if magmas erupt. Surviving deposits may therefore represent failed large eruptions.
Enhanced rock weathering is competitive with other carbon sequestration strategies in terms of land, energy and water use with its overall sustainability dependent on that of the energy system supplying it, according to a process-based life cycle assessment.
Road space rationing policies reduced traffic volume by half in Beijing during the 2008 Olympic Games, which in turn decreased the mean surface temperature by up to 2.4 °C, according to statistical analysis of remotely sensed thermal observations.
Small-scale pressure changes in lake sediments promote gas bubble nucleation in CO2-rich hydrothermal fluids, according to underwater acoustic monitoring techniques in Yellowstone Lake, USA.
The direct relationship between societal development and local ecosystem services breaks down at relatively minor levels of human modification of large river delta landscapes, according to a statistical analysis of 235 deltas.
Average annual losses as a result of evolving seismic exposure could double in Jakarta and Metro Manila by 2030, and increase by more than 50% in Istanbul, according to a macro-level loss estimation approach that explicitly accounts for urban growth.
Disaggregation bands can be formed by slow-slip and creep behaviour which could allow them to be used to identify activity on blind faults and aid seismic hazard assessment, according to analogue sandbox experiments and observations of natural structures
Uplift and subsidence in island arcs during arc-continent collision may reach rates of over 14 mm per year, substantially faster than previously thought, according to stratigraphic analyses and sediment backstripping in Taiwan’s Coastal Range
Differences in travel time between seismic waves generated by two large earthquakes about 20 years apart suggest a localized density change of 2-3% in the Earth’s outer core during this time which could be caused by fast-moving flows rich in light elements
A strong outflow event from Lake Agassiz at the end of the Bølling-Allerød plausibly caused the Younger Dryas cold period by an abrupt Arctic freshening, according to geochemical investigation of sediment cores from the Canadian Arctic.
Fluid flow associated with coastal hydrothermal vents can stimulate carbon fixation via chemoautotrophy and influence microbial community composition, suggest in situ incubation experiments under varied flow regimes near Milos, Greece.
Extracellular polymeric substances produced by lacustrine diatoms helped promote sulfurization and the exceptional preservation of arachnids in the Oligocene age Aix-en-Provence Formation, France, according to optical and electron microscopic analyses.
Distal edges of volcanic passive margins contain exhumed continental crust that suggests continental material in oceans may be more common than previously thought, according to high-quality multichannel seismic data collected off Namibia
Boreal wetlands emit terpenes which initiate atmospheric new particle formation to an even greater degree than is usually seen over boreal forests, according to direct measurements of volatile organic compounds from a Finnish wetland.
An unsupervised machine learning technique clustering carbonate outputs from two climate models indicates geographically consistent boundaries to ocean acidification patterns in the Arctic Ocean, with projected boundaries being sensitive to sea ice extent.
Comparison of carbon dioxide and oxygen concentrations in ocean surface waters relative to saturation can be used to identify erroneous data collected by autonomous ocean platforms, suggests an analysis of data from multiple global datasets
The most intense atmospheric rivers to hit the Antarctic Peninsula induce extremes in temperature, surface melt, sea ice disintegration or swell that destabilize the ice shelves with 40% probability, suggest analyses of observations and regional climate model simulations.
A seismic swarm in the Bransfield Strait, Antarctica between August 2020 and February 2021 was likely caused by the intrusion and possible eruption of magma at the previously inactive Orca Seamount, according to seismological and geodetic observations
Non-pollen palynomorph data from the western-central Nile Delta region indicates the abundant presence of 7,000 year-old animal micro-fossils such as hair and dung, suggesting that early herders were present in the area prior to widespread agriculture.