| Autor: |
N. F. Sanko, V. I. Moroz, Yu. M. Golovin, A. P. Ekonomov, B. E. Moshkin |
| Rok vydání: |
1983 |
| Předmět: |
|
| Zdroj: |
Icarus. 53:509-537 |
| ISSN: |
0019-1035 |
| DOI: |
10.1016/0019-1035(83)90213-0 |
| Popis: |
Results of the scattered solar radiation spectrum measurements made deep in the Venus atmosphere by the Venera 11 and 12 descent probes are presented. The instrument had two channels: spectrometric (to measure downward radiation in the range 0.45 ; 43 km and ∼45 W m−2 for H < 48 km in the range 0.45 to 1.55 μm. At the landing sites of the two probes the investigated portion of the cloud layer has almost the same structure: it consists of three parts with boundaries between them at about 51 and 57 km. The base of clouds is near 48 km above the surface. The optical depth of the cloud layer (below 63 km) in the range 0.5 to 1 μm does not depend on the wavelength and is ∼29 and ∼38 for the Venera 11 and 12 landing sites, respectively. The single-scattering albedo, ω0, in the clouds is very close to 1 outside the absorption bands. Below 58 km the parameter (1 − ω0) is |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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