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Time-of-day-dependent behavior of lunar surficial hydroxyl on a rough regolith surfaceтезисы доклада
- Авторы: Wöhler C., Wohlfarth K., Berezhnoy A.A.
- Сборник: 53rd Lunar and Planetary Science Conference, March 7-11, 2022, U.S
- Тезисы
- Год издания: 2022
- Место издания: Lunar Planetary Institute
- Номер статьи: 1492
- Аннотация: We have developed the physical model of lunar surficial OH in application to an artificial, realistic rough regolith surface. We found that the OH column density exhibits significant variations across the surface, which become as strong as two orders of magnitude at 75° lati-tude. Our model is able to reproduce the variations of the 3-μm band depth observed in M³ data. Already at moderate latitudes, small-scale OH accumulations persist during the complete lunar day in surface areas that receive solar wind protons but are illuminated only under high incidence angles, resulting in a relatively low surface temperature. These results indicate that the surface roughness is of critical importance for an understanding of the observed behavior of lunar surficial OH.
- Добавил в систему: Бережной Алексей Андреевич