The solar zenith angle is the zenith angle of the sun, i.e., the angle between the sun’s rays and the vertical direction. It is the complement to the solar...

the solar zenith angle (or its complementary angle solar elevation) defines the Sun's apparent altitude. There are several conventions for the solar azimuth;...

and the cost-effective use of solar trackers. The solar zenith angle is the zenith angle of the sun, i.e., the angle between the sun’s rays and the vertical...

celestial navigation, the hour angle is the dihedral angle between the meridian plane (containing Earth's axis and the zenith) and the hour circle (containing...

triangle. C is the angle in the vertex opposite the side which has arc length c. Applied to the calculation of solar zenith angle Θ, the following applies...

used to calculate the position of the Sun in terms of solar zenith angle and solar azimuth angle, and the two parameters can be used to depict the Sun...

scientific context, the zenith is the direction of reference for measuring the zenith angle (or zenith angular distance), the angle between a direction of...

vertically upwards, i.e. at the zenith. The air mass coefficient can be used to help characterize the solar spectrum after solar radiation has traveled through...

water content or depth of the cloud and the solar zenith angle. The variation of albedo with zenith angle is most rapid when the sun is near the horizon...

psychiatric diagnosis with symptoms of a mood disorder and schizophrenia Solar zenith angle, in astronomy and earth science Soyo Airport, in Angola (IATA airport...

radiation. Downward shortwave radiation is related to solar irradiance and is sensitive to solar zenith angle and cloud cover. Outgoing longwave radiation However...

satellite spectral signals was confounded by these differences in solar zenith angle across this strong latitudinal gradient. With the assistance of a...

independent of solar zenith angle, thus implying that the NOAA-9-derived calibration curves provide an accurate relation between the solar zenith angle and observed...

If we calculate the position of the Sun, namely, the solar zenith angle and solar azimuth angle at say, one-hour step, for an entire year, the head of...

computer model that accounts for the effects of sun-earth distance, solar zenith angle, total ozone amount, tropospheric aerosol optical depth, elevation...

solar zenith angle θi can be approximated by the proportionate sum of two terms: the directional-hemispherical reflectance at that solar zenith angle...

"Atmospheric sun protection factor on clear days: its observed dependence on solar zenith angle and its relevance to the shadow guideline for sun protection". Photochemistry...

atmosphere, the airmass factor is simple to determine if one knows the solar zenith angle θ: m = 1/cos(θ). As time passes, the Sun moves across the sky, and...

that at zenith. So, by definition, the relative air mass at the zenith is 1. Air mass increases as the angle between the source and the zenith increases...

the canopy and at ground level, and factoring in the leaf angle distribution, solar zenith angle, and plant extinction coefficient. Such indirect methods...

angle of 0 degrees) and AM4 (terrestrial solar radiation with solar zenith angle of 75.5 degrees). The solar spectrum at sea level (terrestrial solar...

solar activity, solar zenith angle and season, to obtain a describing function of f 0 E {\displaystyle f_{0}E} in terms of geographic latitude, solar...

the largest moon of Saturn. Titan is the only natural satellite in the Solar System with an atmosphere that is denser than the atmosphere of Earth and...

"Atmospheric sun protection factor on clear days: its observed dependence on solar zenith angle and its relevance to the shadow guideline for sun protection". Photochemistry...

altitude), Φ is the angle between the zenith direction and the solar direction at the observed pointing, and ψ is the angle between the solar direction and...

longwave radiation. Downward shortwave radiation is sensitive to solar zenith angle, cloud cover. SI units The International System of Units (SI, abbreviated...

at angles of incidence up to around 50°, beyond which they increase rapidly. See for example the accompanying graph, appropriate for glass. Solar panels...

chromatograph to measure the atmospheric composition LSFR – solar flux radiometer to measure solar flux penetration in the atmosphere LIR – infrared radiometer...

Alternatively, zenith angle may be used instead of altitude, as they are complementary angles (the sum of the altitude angle and the zenith angle is 90°). "(Az...

sun's zenith angle, it is observed that this log-intensity ratio decreases as the zenith angle increases until a minimum is reached for a zenith angle of...