On the high slopes of the national Park of Yosemite in California is now possible to observe an interesting natural phenomenon – the so-called «watermelon» or «bloody» snow.
Yosemite national Park in California shared in social networks photos of this snow that spotted on a nameless lake in the mountains above 9500 feet (2800 meters).
«Can be on the calendar and August but above 9500 feet is still a lot of snow and ice! This snow red color is often called «watermelon», — stated in the message of the national Park.
It may be August, but there is still plenty of snow and ice above 9,500 feet! If you look closely in the first image you…
Posted by Yosemite National Park on Sunday, August 4, 2019
«Watermelon snow», also known as «bloody snow» or just red snow is what happens when there are cold-water algae Chlamydomonas nivalis, which «bloom» at temperatures below zero.
«These algae are usually green, but contain a special red pigment called a carotenoid that acts as a barrier that protects the chlorophyll of algae. Algae use this natural «sunscreen» to protect itself from too much heat and harmful ultraviolet radiation,» — told in the Park.
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The pigment produced by the algae gives the snow field pink or red color.
This unusual phenomenon is not limited to Yosemite, and it was noticed also in the National Park of mount Rainier and other places in the state of Washington.
Although this is spectacular, and against the background of snow can make a beautiful photo, Park officials warned tourists about the fact that on most trails in the highlands of Yosemite is now dangerous weather conditions – snow, mud, flooded areas.