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RISAnnual Forcing of the Surface Radiation Balance Diurnal Cycle Measured from a High Tower near Boulder, Colorado
Publisher: American Meteorological Society
Abstract: The radiation balance consisting of upward and downward components of solar and thermal infrared broadband irradiances is continuously measured from the top of a 300-m tower situated on the Colorado high plains. The data ...
An Extended Comparison between LOWTRAN7 Computed and Observed Broadband Thermal Irradiances: Global Extreme and Intermediate Surface Conditions
Publisher: American Meteorological Society
Abstract: Differences between observed and LOWTRAN7-computed downward longwave irradiances were examined at each of four globally diverse locations for an entire year at each site. The final results are restricted to times determined ...
Solar Irradiance Anomalies Caused by Clear-Sky Transmission Variations above Mauna Loa: 1958–99
Publisher: American Meteorological Society
Abstract: The clear-sky transmission of the atmosphere contributes to determining the amount of solar irradiance that reaches various levels in the atmosphere, which in turn is fundamental to defining the climate of the earth. As ...
Determining Surface Solar Absorption from Broadband Satellite Measurements for Clear Skies: Comparison with Surface Measurements
Publisher: American Meteorological Society
Abstract: Two separate datasets both of which provide measurements of net downward shortwave radiation have been combined, so as to provide a means of critically examining methods for transferring satellite measurements to the ...
On Rayleigh Optical Depth Calculations
Publisher: American Meteorological Society
Abstract: Many different techniques are used for the calculation of Rayleigh optical depth in the atmosphere. In some cases differences among these techniques can be important, especially in the UV region of the spectrum and under ...
Calibrating Broadband UV Instruments: Ozone and Solar Zenith Angle Dependence
Publisher: American Meteorological Society
Abstract: A UV spectroradiometer was installed at Mauna Loa Observatory (MLO), Hawaii, in July 1995. This instrument has been employed to characterize several broadband UV instruments of a type commonly used to estimate erythemal ...
Impact of Clouds on the Shortwave Radiation Budget of the Surface-Atmosphere System for Snow-Covered Surfaces
Publisher: American Meteorological Society
Abstract: Recent data from the Earth Radiation Budget Experiment (ERBE) have raised the question as to whether or not the addition of clouds to the atmospheric column can decrease the top-of-the-atmosphere (TOA) albedo over bright ...
Recent Interannual Variations in Solar Radiation, Cloudiness, and Surface Temperature at the South Pole
Publisher: American Meteorological Society
Abstract: Incoming global solar irradiance measured at the surface at the South Pole unexpectedly decreased steadily by 15% from 1976 through 1987 during the late austral summer season, whereas no trend is apparent for September ...
The Impact of Clouds on the Shortwave Radiation Budget of the Surface-Atmosphere System: Interfacing Measurements and Models
Publisher: American Meteorological Society
Abstract: Two datasets have been combined to demonstrate how the availability of more comprehensive datasets could serve to elucidate the shortwave radiative impact of clouds on both the atmospheric column and the surface. These ...