Soiar as at' ident or atmosphere 00% Up-scatt From clouds Up-scatter I A: mospheric from atmosphere absorption I Absorp:ICn Down-scatter 13 from atmosphere Direct solar 6% 24 DIffuse dowr-sca*ter from clouds 17 Ground Absorption and scattering of solar radiation in the atmosphere. The values shown are average weather and are averaged over all seasons and latitudes On average, we see that 47%(17%0+24%+6%)of the solar power incident on the upper atmosphere reaches the ground and can be utilized in some fashion 复旦大学环境科学与工程系 Department of Environmental Science and Engineering, Fudan UniversityAbsorption and scattering of solar radiation in the atmosphere. The values shown are average weather, and are averaged over all seasons and latitudes. On average, we see that 47% (17%+24%+6%) of the solar power incident on the upper atmosphere reaches the ground and can be utilized in some fashion