Heliometer (left) and weather station. The heliometer is used to measure the Sun and the levels of sunlight over periods of time. This heliometer and weather station is in Djougou,Benin. The data obtained is being used in the AMMA (African Monsoon Multidisciplinary Analysis) project to study the African monsoon season. The monsoon is a seasonal period of heavy rainfall following prevailing winds. In western Africa,it arrives in June | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Martinet, Anthony / Look At Sciences |
Bildgröße: | 3700 px × 2466 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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