The Solar Constant Is Measured At What Altitude

The total solar intensity was 136 1 milliwatts per square centimeter or 1 952 calories per square centimeter per minute about 2 5 percent less than johnson s derived value.

The solar constant is measured at what altitude.

It is most accurately measured from satellites where atmospheric effects are absent. Cosine of solar zenith angle. After correcting the readings for the remaining 1 of the atmosphere and earth sun distance a value of 1 912 gm cal cm 2 min has been determined for the solar constant. Global and direct uv irradiance spectra were measured under a cloudless sky at varying solar elevations at inns bruck 577 m a s l and hafelekar 2300 m a s l from january to march 1992.

The solar constant includes all types of solar radiation other than neutrinos not just the visible light. Az el both report dark after astronomical twilight. Must be measured at aphelion. Solar constant the total radiation energy received from the sun per unit of time per unit of area on a theoretical surface perpendicular to the sun s rays and at earth s mean distance from the sun.

The spectra were measured with the bentham spectrometer. Solar constant irradiation 2 1 4 j s m2 the accepted value of the solar constant is about 1376 w m2. Then your difference is. It is measured on a surface perpendicular to the rays one astronomical unit from the sun.

Is about 0 5 calories per square centimeter per minute. The solar constant has been measured by the use of eppley normal incidence pyrhelio meters on three different days at 31 kilometers altitude. The interaction of the solar wind and upper layers of earth s atmosphere. The solar constant is measured at.

Refers to the intensity of solar radiation that actually reaches earth s surface. Must be measured at perihelion. The angular height of the sun above the horizon. It is measured by satellite as being 1 361 kilowatts per square meter at solar minimum and approximately 0 1 greater at solar maximum.

Azimuth is measured in degrees clockwise from north. The solar constant is not a physical constant in the modern codat. Multiply your uncorrected solar irradiation by 2 to correct for the glass and also by 1 4 to correct for the atmosphere. Your solar constant 1376 1376 100 include your sign.

Elevation is measured in degrees up from the horizon. Earth s solar constant a. Energy in the ultraviolet and visible regions for λ less than 607 nanometers was 7 0 percent. The value of the constant is approximately 1 366 kilowatts per square metre.