Colored Salt Ponds In San Francisco Bay

This Unusual sight can be seen in the San Francisco Bay. If viewed from a distance, the pictures resembles the Dutch tulip fields, although vegetation place has an indirect relationship. In fact, the bright spots is nothing but salt ponds that are used for the extraction of salt from the sea water. In artificial ponds water evaporates and leaves only crystallized salt, colored algae and micro-organisms, and its hue depending on the degree of salinity. Ponds with low and medium salinity have a greenish or pinkish color, and higher the salinity, the more water a reddish pigment. The weather also affects the color of the water body. In the rainy season, ponds palette changes, and sometimes does become transparent.

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