نتایج جستجو برای: center equator distance
تعداد نتایج: 513570 فیلتر نتایج به سال:
We investigate how well the 1975-1992 sea level interannual variability in the tropical Pacific is captured by dynamic height from temperature profiles. For each temperature profile, a surface dynamic height relative to 300 m is estimated, assuming a constant temperature-salinity relationship. After multiplication by a latitudinally varying factor and the removal of a seasonal cycle, the dynami...
In our previous studies we have shown that particles adsorbed on the surface of a drop can be concentrated at its poles or equator by applying a uniform electric field. This happens because even when the applied electric field is uniform the electric field on the surface of the drop is nonuniform, and so particles adsorbed on the surface are subjected to dielectrophoretic (DEP) forces. In this ...
An axisymmetric single-layer model is used to study interactions of the Hadley circulation with extratropical eddies. Eddy momentum fluxes are parameterized using a simple closure motivated by calculations with an idealized dry general circulation model (GCM). Calculations are performed in which the heating is parameterized as Newtonian relaxation of temperatures toward a prescribed radiative-c...
OBJECTIVE To characterize influenza seasonality and identify the best time of the year for vaccination against influenza in tropical and subtropical countries of southern and south-eastern Asia that lie north of the equator. METHODS Weekly influenza surveillance data for 2006 to 2011 were obtained from Bangladesh, Cambodia, India, Indonesia, the Lao People's Democratic Republic, Malaysia, the...
OBJECTIVE To characterize variability in the identification of the macular center among retinopathy of prematurity (ROP) experts. METHODS A printed set of 25 wide-angle retinal images was compiled from infants at risk for ROP using a commercially available camera. Ten recognized ROP experts were asked to mark the macular center on each image. For each image, we measured the distance from the ...
The presence of anisotropic plasma distributions, trapped at the Earth’s magnetic equator, has consequences for the electric field structure which must exist in equilibrium along the magnetic field line. Data from SCATHA and Dynamics Explorer 1indicated that the core ion distributions at the magnetic equator can be well described as bi-Maxwellian distributions, with a perpendicular temperature ...
TMS transformations from NMS by rotation of the graticule. Four global TMS projections. Meridian distance, footpoint and footpoint latitude. Scale factors. Relation between azimuth and grid bearing. Grid convergence. Conformality, the Cauchy–Riemann conditions and isotropy of scale. Series expansions for the TMS transformation formulae. Secant TMS. 3.1 The derivation of the TMS formulae In Chap...
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