Results 71 to 80 of about 303,742 (304)

Clade‐wide morphological and functional variation of the sauropsid columella

open access: yesThe Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock   +4 more
wiley   +1 more source

Effect of sulfate aerosol on tropospheric NOx and ozone budgets: Model simulations and TOPSE evidence [PDF]

open access: yes, 2003
The distributions of NOx and O3 are analyzed during TOPSE (Tropospheric Ozone Production about the Spring Equinox). In this study these data are compared with the calculations of a global chemical/transport model (Model for OZone And Related chemical ...
Atlas, Elliot   +11 more
core   +1 more source

New opportunities for bioscaffold‐enabled spinal cord injury repair

open access: yesBMEMat, EarlyView.
Schematic illustration of bioscaffolds for spinal cord injury repair. We summarize the effects of bioscaffold properties on SCI repair, highlight different types of bioscaffolds, various fabrication strategies, and in vivo transformations for the clinical development of SCI‐repairing bioscaffolds.
Xiaoqing Qi   +11 more
wiley   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

The ionospheric F2 region winter anomaly and its dependence on solar activity in the northern and southern hemisphere.

open access: yesGeofísica Internacional, 1997
Data from two ionospheric sounders each from the northern and southern hemisphere, are used for a statistical analysis of foF2 monthly medians for summer and winter and high and low solar activity.
Eduardo Francisco Garat   +1 more
doaj  

Southern Hemisphere climate variability forced by Northern Hemisphere ice-sheet topography [PDF]

open access: yesNature, 2018
The presence of large Northern Hemisphere ice sheets and reduced greenhouse gas concentrations during the Last Glacial Maximum fundamentally altered global ocean-atmosphere climate dynamics. Model simulations and palaeoclimate records suggest that glacial boundary conditions affected the El Niño-Southern Oscillation, a dominant source of short-term ...
Jones, T. R.   +5 more
openaire   +4 more sources

Defining Reconciliation Studies: Theoretical and Practical Dimensions

open access: yesConflict Resolution Quarterly, EarlyView.
ABSTRACT Reconciliation studies (RS) has become increasingly influential in understanding alternative views to ending conflict and dealing with the aftermath. As a discipline or field, however, it is not well defined. The actual usefulness of reconciliation (as a concept), or of RS (as a discipline), is debated, and due to its growing usage, it is ...
Colleen Alena O’Brien
wiley   +1 more source

Statistical Analysis of Filament Features Based on the H{\alpha} Solar Images from 1988 to 2013 by Computer Automated Detection Method

open access: yes, 2015
We improve our filament automated detection method which was proposed in our previous works. It is then applied to process the full disk H$\alpha$ data mainly obtained by Big Bear Solar Observatory (BBSO) from 1988 to 2013, spanning nearly 3 solar cycles.
Cao, W., Chen, P. F., Fang, C., Hao, Q.
core   +1 more source

PondNet – towards a global network of experiments on the effects of climate change on aquatic ecosystems

open access: yesEcography, EarlyView.
Global change is reshaping the distribution of biodiversity and the functioning of ecosystems. Predicting the long‐term consequences of such changes remains a challenge due to a need for a clear understanding of the mechanisms underpinning ecosystem‐level responses, as well as the role of geographical and environmental contingencies.
Miguel G. Matias   +15 more
wiley   +1 more source

No trends in spring and autumn phenology during the global warming hiatus

open access: yesNature Communications, 2019
A global warming hiatus occurred during 1998 and 2012 but its effects on phenology are unclear. Here the authors examine the trends in spring and autumn phenology in the northern hemisphere and the effects of the warming hiatus and show that phenology ...
Xufeng Wang   +8 more
doaj   +1 more source

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