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Forecasting geomagnetic activity three hours in advance for ionospheric applications
Geomagnetic activity ionospheric disturbance ferecasting
2015/9/28
An attempt at forecasting the magnetic activity index three hours in advance is presented. This approach is based on a suitable treatment of time-weighted accumulations of the three-hourly magnetic in...
Ultra-stable JILA Microscopy Technique Tracks Tiny Objects for Hours
Ultra-stable JILA Microscopy Technique Tracks Tiny Objects Hours
2015/6/30
JILA researchers have designed a microscope instrument so stable that it can accurately measure the 3D movement of individual molecules over many hours—hundreds of times longer than the current limit ...
Normal Modes of the World Ocean. Part II：Description of Modes in the Period Range 8 to 80 Hours
World Ocean Period Range 8 80 Hours
2009/2/9
We have calculated normal modes with period between 8 and 80 h for a domain consisting of the Arctic, Atlantic, Indian and Pacific oceans. In this period range the numerical model has 56 modes, of whi...
Empirical Models for the Correlation of Monthly Average Daily Global Solar Radiation with Hours of Sunshine on a Horizontal Surface at Karachi, Pakistan
solar radiation Hours of Sunshine
2004/4/30
A new set of constants for Angstrom-type correlation of first and second order, to estimate monthly average daily global solar radiation, has been obtained employing sunshine hours data recorded at Ka...
Variability of particulate seawater properties related to bottom mixed layer-associated internal waves in shallow water on a time scale of hours
particulate seawater properties bottom mixed layer-associated internal waves a time scale of hours
2003/5/20
To obtain information on relations between internal wave-controlled hydrographic variability in bottom mixed layers (BMLs) and particle-associated BML parameters, depth distributions of density, relat...