Results 41 to 50 of about 1,272,560 (299)

High Daily and Year-Round Variability in Denitrification and Nitrogen Fixation in a Northern Temperate River

open access: yesFrontiers in Water, 2022
Rates of nitrogen (N) cycling processes like denitrification and dinitrogen (N2) fixation, which together are the primary contributors to N2 flux rates from surface waters, may change at different time scales from seasons to weeks to days.
Kevin C. Nevorski, Amy M. Marcarelli
doaj   +1 more source

Hot-Moments of Soil CO2 Efflux in a Water-Limited Grassland [PDF]

open access: yes, 2018
The metabolic activity of water-limited ecosystems is strongly linked to the timing and magnitude of precipitation pulses that can trigger disproportionately high (i.e., hot-moments) ecosystem CO2 fluxes.
Curiel Yuste, Jorge   +6 more
core   +4 more sources

Modelling within-region spatiotemporal variability in grapevine phenology with high resolution temperature data

open access: yesOENO One, 2019
Aim: While it is well recognised that climate can vary spatially so that grapevine phenology significantly varies within a winegrowing region, the magnitude of temporal variability in climate determining factors to engender a significant difference in ...
Andrew Hall, John Blackman
doaj   +1 more source

Temporal-spatial dynamic functional connectivity analysis in schizophrenia classification

open access: yesFrontiers in Neuroscience, 2022
With the development of resting-state functional magnetic resonance imaging (rs-fMRI) technology, the functional connectivity network (FCN) which reflects the statistical similarity of temporal activity between brain regions has shown promising results ...
Cong Pan   +4 more
doaj   +1 more source

The place of the Sun among the Sun-like stars [PDF]

open access: yes, 2013
Context. Monitoring of the photometric and chromospheric HK emission data series of stars similar to the Sun in age and average activity level showed that there is an empirical correlation between the average stellar chromospheric activity level and the ...
Cessateur, G.   +3 more
core   +1 more source

Reconfiguration of static and dynamic thalamo-cortical network functional connectivity of epileptic children with generalized tonic-clonic seizures

open access: yesFrontiers in Neuroscience, 2022
ObjectiveA number of studies in adults and children with generalized tonic-clonic seizure (GTCS) have reported the alterations in morphometry, functional activity, and functional connectivity (FC) in the thalamus.
Yongxin Li   +5 more
doaj   +1 more source

Temporal Variability and Stability in Infant-Directed Sung Speech: Evidence for Language-specific Patterns. [PDF]

open access: yes, 2011
In this paper, sung speech is used as a methodological tool to explore temporal variability in the timing of word-internal consonants and vowels.
Falk, Simone
core   +3 more sources

Modelling spatio-temporal variability of temperature [PDF]

open access: yesComputational Statistics, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xiaofeng Cao   +3 more
openaire   +1 more source

Quantification and Qualification of Floral Patterns of Coffea arabica L. in Colombia

open access: yesPlants, 2023
The phenological patterns of coffee flowering in Colombia have typically been studied in a descriptive way, with knowledge from an inferential perspective being scarce.
Carlos Andres Unigarro   +3 more
doaj   +1 more source

The vertical structure of upper ocean variability at the Porcupine Abyssal Plain during 2012-2013 [PDF]

open access: yes, 2016
This study presents the characterization of variability in temperature, salinity and oxygen concentration, including the vertical structure of the variability, in the upper 1000m of the ocean over a full year in the northeast Atlantic.
Binetti, Umberto   +4 more
core   +2 more sources

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