Atmospheric Radiometers

Atmospheric radiometers are used above water, typically to measure downwelling irradiance or spectral irradiance.

The GUV series was developed to measure UV and visible radiation at several wavelengths from 305 nm to 700 nm. The latest GUV, the GUVis-3511, covers the wavelength range from 305 to 1,640 nm and is available with up to 19 channels. This instrument can be equipped with a shadowband to derive the direct solar irradiance and related data products such as aerosol optical depth. GUV instruments are deployed worldwide.

As part of the OSPREy project, a wide series of hybridspectral atmospheric radiometers was developed, which combine 19 fixed-wavelength microradiometers with a high quality spectrograph in one temperature stabilized housing. Radiometers include instruments with irradiance front-optics, which can be equipped with a shadowband, and instruments with radiance optics, which can be mounted on pointing devices to measure the radiance distribution of sky light or track the Sun. Various configurations are avaialble.

The PRR-810 and C-OPS Surface Irradiance Sensors were primarily developed for use with marine profiling systems, but can also be used for atmospheric measurements. These instruments are not temperature stabilized and are therefore less suitable for long-term monitoring activities than GUV radiometers.

The SUV-150B is a double-monochromator based scanning UV spectroradiometer measuring global spectral irradiance at a spectral resolution of 0.7 nm. It is a fully automated, all weather system. One instrument is part of the UV Monitoring Network operated by Biospherical Instruments and currently installed at the top of the Greenland icesheet.

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Last Updated on Friday, 21 March 2014 17:07
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