Double rainbow over Gullfoss
by Martine van der Ploeg, Wageningen University, Wageningen, the Netherlands
The alternation of hardy basalt and eroded softer stone layers has lead to the spectaculair Gullfoss in Iceland. Water plunging 11 m over the first step and 20 m over the second step causes a huge amount of spray, and, if sunny, beautiful rainbows. This also explains the name "Golden Waterfall"; perhaps referring to the many pots of gold that may be found here?
Taken on 18
Submitted on 28 February 2017
Credit: Martine van der Ploeg (distributed via imaggeo.egu.eu)
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