• 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...
    8 KB (1,218 words) - 07:15, 9 June 2023
  • the solar zenith angle (or its complementary angle solar elevation) defines the Sun's apparent altitude. There are several conventions for the solar azimuth;...
    11 KB (1,501 words) - 05:10, 14 August 2023
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    Sun path (redirect from Solar angle)
    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...
    16 KB (2,366 words) - 13:39, 24 June 2024
  • Thumbnail for Hour angle
    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...
    6 KB (648 words) - 18:09, 27 April 2024
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    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...
    58 KB (7,014 words) - 04:52, 27 July 2024
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    scientific context, the zenith is the direction of reference for measuring the zenith angle (or zenith angular distance), the angle between a direction of...
    7 KB (750 words) - 15:24, 16 August 2024
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    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...
    25 KB (3,380 words) - 10:20, 29 July 2024
  • psychiatric diagnosis with symptoms of a mood disorder and schizophrenia Solar zenith angle, in astronomy and earth science Soyo Airport, in Angola (IATA airport...
    508 bytes (97 words) - 10:34, 12 May 2024
  • 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...
    22 KB (2,824 words) - 06:51, 25 May 2024
  • Thumbnail for Cloud albedo
    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...
    11 KB (1,283 words) - 11:47, 3 May 2024
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    satellite spectral signals was confounded by these differences in solar zenith angle across this strong latitudinal gradient. With the assistance of a...
    27 KB (3,613 words) - 21:40, 15 August 2024
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    Albedo (redirect from Solar reflectance)
    solar zenith angle θi can be approximated by the proportionate sum of two terms: the directional-hemispherical reflectance at that solar zenith angle...
    67 KB (7,325 words) - 14:30, 17 August 2024
  • Thumbnail for Ultraviolet index
    computer model that accounts for the effects of sun-earth distance, solar zenith angle, total ozone amount, tropospheric aerosol optical depth, elevation...
    23 KB (2,268 words) - 18:39, 9 August 2024
  • Thumbnail for Shortwave radiation (optics)
    radiation. Downward shortwave radiation is related to solar irradiance and is sensitive to solar zenith angle and cloud cover. Outgoing longwave radiation However...
    3 KB (381 words) - 06:54, 3 November 2023
  • Thumbnail for Advanced very-high-resolution radiometer
    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...
    23 KB (2,818 words) - 15:39, 30 October 2023
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    Analemma (redirect from Solar figure 8)
    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...
    35 KB (4,581 words) - 14:24, 19 August 2024
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    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...
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  • the canopy and at ground level, and factoring in the leaf angle distribution, solar zenith angle, and plant extinction coefficient. Such indirect methods...
    16 KB (1,943 words) - 21:37, 15 August 2024
  • 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...
    81 KB (11,002 words) - 23:27, 6 June 2024
  • 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...
    35 KB (5,380 words) - 12:12, 15 August 2024
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    "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...
    122 KB (12,311 words) - 16:25, 4 August 2024
  • Thumbnail for Umkehr effect
    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...
    4 KB (602 words) - 20:15, 20 August 2024
  • Thumbnail for Solar eclipse of December 14, 2001
    Costa Rica with the largest area covered by the path and highest solar zenith angle. However, it was cloudy or rainy in many parts of the country during...
    19 KB (1,274 words) - 14:04, 11 August 2024
  • Thumbnail for Atmosphere of Titan
    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...
    58 KB (6,263 words) - 22:48, 13 August 2024
  • Thumbnail for Louis Miles Muggleton
    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...
    11 KB (1,249 words) - 07:03, 13 August 2023
  • Thumbnail for Rayleigh sky model
    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...
    27 KB (4,058 words) - 17:45, 29 March 2024
  • Thumbnail for Pioneer Venus Multiprobe
    chromatograph to measure the atmospheric composition LSFR – solar flux radiometer to measure solar flux penetration in the atmosphere LIR – infrared radiometer...
    44 KB (4,383 words) - 14:25, 8 August 2024
  • Thumbnail for Solar eclipse of June 10, 2002
    Mexico,because the annular eclipse occurred shortly before sunrise and the solar zenith angle was extremely low on land, many people observed at sea off the ports...
    13 KB (1,563 words) - 00:59, 11 August 2024
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    at angles of incidence up to around 50°, beyond which they increase rapidly. See for example the accompanying graph, appropriate for glass. Solar panels...
    52 KB (6,788 words) - 00:24, 13 July 2024
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    Sunlight (redirect from Solar output)
    and intensity of solar radiation received at Earth's surface does vary. The effect of Sun angle on climate results in the change in solar energy in summer...
    52 KB (5,643 words) - 17:08, 25 June 2024