Srf meteo

2022 - 7 - 20

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Image courtesy of "Schweizer Radio und Fernsehen (SRF)"

Eindrückliche Satellitenbilder - So sehen Europas Waldbrände von ... (Schweizer Radio und Fernsehen (SRF))

Der Erdbeobachtungssatellit Sentinel umkreist ständig die Erde. Er macht aber nicht nur Fotos, sondern erfasst mit seinen Sensoren auch Wellenlängen, ...

In this composite vegetation appears in shades of green, soils and built-up areas are in various shades of brown, and water appears black. Short wave infrared bands (a band is a region of the electromagnetic spectrum; a satellite sensor can image Earth in different bands) are also useful for distinguishing between cloud types (water clouds versus ice clouds), snow and ice, all of which appear white in visible light. Cities and exposed ground are grey or tan, and water appears blue or black.»

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