نتایج جستجو برای: subtropics
تعداد نتایج: 1042 فیلتر نتایج به سال:
Chlorofluorocarbon (CFC) and hydrographic data collected in the North Atlantic in the late 1980s and early 1990s are used to confirm and add to earlier work on the large-scale circulation pathways and timescales for the spreading of North Atlantic Deep Water (NADW) components and how these components relate to the hydrographic structure. Throughout he western North Atlantic, high CFC concentrat...
BACKGROUND The timing of the biannual WHO influenza vaccine composition selection and production cycle has been historically directed to the influenza seasonality patterns in the temperate regions of the northern and southern hemispheres. Influenza activity, however, is poorly understood in the tropics with multiple peaks and identifiable year-round activity. The evidence-base needed to take in...
The poleward propagation of zonal-mean relative angular momentum (MR) anomalies is examined using NCEP– NCAR Reanalysis data for both the winter and summer seasons of the Northern and Southern Hemisphere. This analysis is performed with a regression analysis using base latitudes in the subtropics, midlatitudes, and high latitudes. It is found that the poleward MR anomaly propagation occurs at a...
accidental infection with animal filarial worms in humans is a dilemma for clinicians and parasitologists throughout the world. to date a variety of such rare parasitoses have been reported mostly in tropics and subtropics. human dirofilariasis is among those unusual zoonotic infections that occasionally have been observed in the eye and in subcutaneous areas exhibiting with nodule formation....
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