Results 121 to 130 of about 10,634 (253)
Breakup of meteoroids in the Venusian atmosphere and its effects on crater formation [PDF]
Early results of the Magellan mission to Venus show that almost all of the observed impact craters appear to be unaffected by erosion, burial, and tectonic deformation.
Herrick, R. R., Phillips, Roger J.
core +1 more source
Microbial Endolithic Community at Meteor Crater
Meteoritics &Planetary Science, EarlyView.Abstract Postimpact recovery and evolution in response to climate changes produced a modern ecosystem at Meteor Crater dominated by a grassland and woodland of piñon and juniper, which has been used to evaluate floral and megafaunal consequences of impact cratering during the Phanerozoic Eon of complex life.
David A. Kring, Charles S. Cockell
wiley +1 more source
Formation of the Leonid meteor stream and storm [PDF]
It is well known that some meteor showers display a very high level of activity at certain times, the most famous being the Leonid shower with very spectacular displays at roughly 33 year intervals.
Williams, I. P., Wu, Zidian
core +1 more source
De‐Coupled Water and Nitrogen Translocation From Subsoil to Canopy of Temperate Forest Trees
Plant, Cell &Environment, EarlyView.ABSTRACT Water and nitrogen (N) transport from soil to canopy play a central role in tree functioning, yet direct evidence for their timing and coupling in mature forests remains scarce. We report results from a paired dual‐isotope (2H, 15N) tracer experiment in a temperate forest, comparing water and nitrate uptake patterns across tree species ...
Klara Mrak +7 more
wiley +1 more source
Plant Biology, EarlyView.Root water uptake strategies vary among temperate tree species (European beech, Douglas fir, and Norway spruce), with beech–conifer mixtures altering water uptake depths, while site conditions and temporal dynamics further shape the contribution of different soil depths to water supply.
C. A. Hackmann +6 more
wiley +1 more source
The Russian Review, EarlyView.Abstract The analysis of Lenin’s language and rhetoric undertaken by the leading representatives of Russian Formalism in the pages of the journal LEF in early 1924 represents more than a tactical attempt to align Formalism with the mainstream of Bolshevik culture‐building in the context of the Soviet 1920s.
Alastair Renfrew
wiley +1 more source
Bio‐mediated cementation of supratidal beach sediments associated with groundwater springs
Sedimentology, EarlyView.ABSTRACT The formation of beachrock, sensu stricto, via carbonate precipitation in the intertidal zone is widespread throughout the tropics and subtropics. While cementation of supratidal beach sediments has also been noted in several locations, it has received much less attention.
Thomas William Garner +1 more
wiley +1 more source
Sedimentology, EarlyView.ABSTRACT Understanding the biotic and abiotic influences on the deposition and diagenesis of recent microbial carbonates is crucial for addressing the environmental and ecological significance of ancient organosedimentary structures. This study investigates these factors and their expression in the microstructure of Holocene tufa thrombolites from a ...
Paulo Quezada +10 more
wiley +1 more source
Finding Stars: Mapping the Geography of the World's Scientific Elites
Transactions of the Institute of British Geographers, EarlyView.Short Abstract Scientific excellence is clustering ever more tightly in a few ‘superstar’ cities. Four—New York, Boston, London and the San Francisco Bay Area—now host 12% of the world's top scientists. In contrast, the Global South remains largely absent, with the notable exception of Beijing's dramatic rise.
Andrés Rodríguez‐Pose +2 more
wiley +1 more source
Meteoroid Impacts as a Source of Bennu's Particle Ejection Events. [PDF]
J Geophys Res Planets, 2020 Bottke WF +10 more
europepmc +1 more source