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Large periodic glacial outburst flood events replenish inorganic carbon concentrations and fuel the primary productivity of benthic microbial communities in the perennially ice-covered Lake Untersee.
Quasi-Love wave scattering is used to identify gradients in seismic anisotropy in the mantle beneath Australia that may represent major lithospheric boundaries between geological provinces and modified mantle flow along the ocean-continent transition.
Daily variations in seismic S-wave anisotropy reveal the dynamic response of englacial fractures to changing meltwater supply, according to shear wave splitting measurements from a seismometer network on the Rhonegletscher, Switzerland.
Complete savannization of the Amazon Basin would enhance the effects of climate change on local heat exposure and pose a risk to human health, according to climate model projections.
Fine particulate matter in the atmosphere can absorb and re-emit thermal radiation under resonance conditions at long wavelengths and thereby warm the atmosphere, according to an analysis of sulfate containing aerosols with a core/shell structure.
Calcium isotope ratios of Icelandic zeolites bracket those for host basalt and appear to control the Ca ratios of hydrothermal fluids and calcite, which could indicate their potential for use as a low-grade geothermometer
Atmospheric pollutants recirculated by river winds reduce air quality for riverbank communities in the Amazon, according to unmanned aerial vehicle measurements and large eddy simulations.
Pervasive detachment faults in the oceanic basement at the NE Antilles Subduction Zone could enable deep fluid circulation and serpentinization and partly control the reduced interplate seismicity, according to seismic reflection and bathymetric data
Social learning processes regarding eco-conscious dietary choices can substantially alter projections of global peak land use for agriculture, according to a coupled social-and-land use dynamics model
Preservation of biodiversity by expanding protected areas is complicated by expected climate change that could dissociate ecoregion or biome from climate conditions in over half of land area, according to analyses of spatial climate analogs
Projected urban sprawl and environmental impacts of urbanization are greatest under a fossil-fuelled development shared socioeconomic pathway, according to global, high resolution urban cellular automata modelling.
Melting of permafrost and growth of peatland in southwest Siberia after the Younger Dryas was likely linked to reorganization of westerly wind systems and a weakened Siberian High, according to multiproxy speleothem data from the Altai mountains.
Substantial magma chamber decompression during the early plinian stage of the eruption of Aira volcano, Japan, 30,000 years ago caused intense ground deformation and caldera collapse, according to analyses of water content in quartz embayments
Leakage of warm, salty waters from the Indian Ocean into the Atlantic increases by up to 40 % in high-resolution numerical ocean model simulations, suggesting that low-resolution models underestimate this key part of the global meridional overturning circulation.
Historical annual maize yields in the U.S. are overestimated by CMIP5 models and underestimated by bias-corrected and downscaled models due to differences in temperature and precipitation hindcasts, according to a multi-model ensemble comparison.
Images of electrical sparks in shock tube experiments with supersonic outflows show how standing shocks regulate electrical breakdown. The resulting radio frequency emission could diagnose flow structure in other explosive events such as volcanic eruptions.
Future projections of northern hemisphere extratropical climate based on climate model simulations substantially underestimate the uncertainty that originates from large-scale atmospheric circulation variability, suggest synthetic ensemble projections constrained with observations.
The transfer of organic contaminants from surface to deeper layers in farmland soils is barely enhanced by microplastic and nanoplastic transport, according to an analytical modeling study.
Decadal wind patterns enhance upwelling of carbon-rich waters and increase apparent surface ocean acidification rates in the Gulf of Alaska, according to a 34-year regional ocean biogeochemical hindcast model simulation.
The Candelaria iron oxide-copper-gold deposit in Chile was formed by superimposed, episodic hydrothermal pulses with contrasting composition and temperature, according to micro-textural and compositional variations in actinolite, a common alteration mineral.