Grand Prismatic Spring
Bildnummer 12644775
| Coloured mats of thermophilic archaea in outflow of Grand Prismatic Spring, Yellowstone National Park. The vivid colours are the result of pigmented archaea in the microbial mats that grow around the edges of the mineral-rich water. Thermophiles are organisms that thrive under extremely hot conditions. The bacteria produce colours ranging from green to red; the amount of colour depends on the temperature of the water which favours one archaea over another. The centre of the pool is sterile due to extreme heat. The deep blue colour of the water in the centre of the pool results from the scattering of blue light by particles suspended in the water. The spring's water temperature varies between 147-188F. With dimensions of 250x380 feet, Grand Prismatic is the largest hot spring in Yellowstone. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Schleser, David M. / Nature's Images |
| Bildgröße: | 2848 px × 4288 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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