Colors of the sea #002

This is where the differences between the waters of different seas of the world manifest themselves. Let us now recall another equally important position in the field of optics. The white light falling on the surface of the sea consists of rays of all colors mixed in a certain proportion. When white light passes through the surface of the water, this proportion is violated, and the light turns out to be colored. Red and yellow rays are absorbed in the upper layer, blue and purple rays penetrate much deeper. Hence the color change that is observed when diving to great depths. The scattering of light rays of different colors also occurs differently in water. Red and yellow rays scatter less than blue and purple ones. As a result of these two processes — absorption and scattering - in the scattered light coming out of the water, the color of the short—wave part of the spectrum prevails - blue, blue. This is true only for perfectly clear water. If the water in the sea is very clean and transparent, the sea turns out to be colored pure blue, if there is a lot of turbidity in the water, the sea is colored greenish. These are the colors of the daytime sea. And what does the surface of the sea look like at night?


Sailors on a long voyage literally cannot tear themselves away for hours from the beautiful sight of the luminous sea, as if competing with the starry sky. Among the countless floating and oscillating sparks, bright flashes constantly appear, which are created by large marine organisms that control their light sources — turning on and off their "headlights". A truly unforgettable sight is observed when the beam of a ship's searchlight is directed into the sea. All kinds of nimble fish rush onto the path illuminated by the light. Some have bright flashes of a red or yellow flashlight, others glow with a white light, changing to green at the moment when they jump out of the water. The glow of the sea (bioluminescence) is a "living" light of greenish, bluish, red color, emitted, as a rule, by the smallest organisms and bacteria. An example is a nightlight — a marine flashlight. It is these single-celled organisms that cause the glow of the sea. Some of them always glow, while others are only influenced by external stimuli. If some luminous bacteria are sown in flasks on nutrient mixtures, then you can get bright "live" lamps. By their light, it is possible not only to read, but also to take pictures. Pale blue light is emitted by pyrosomes, which are also representatives of the amazing, beautiful openwork world of marine unicellular organisms. They have the shape of a strongly flattened cylinder consisting of an almost transparent dense gelatinous mass. Such a cylinder can reach a length of a meter or more. It is formed from many thousands of small living organisms united in one colony. One has only to touch the pyrosome, as it immediately "lights up" and shines for 1-3 minutes. Some large organisms, especially the inhabitants of great depths, also have the ability to glow. In some deep—sea fish, the glow organs — photophores — are concentrated in certain parts of the body and can "at the request of the owner" change the intensity and direction of light, light up and go out; the bodies of other fish are aluminized with luminous dots - a kind of identification marks for friends and enemies. The "quirks" of the sea's coloring are no longer a mystery today. They received a comprehensive explanation. The painstaking work of the scientists was crowned with success. Sur 1xbet, les parieurs sportifs qui arrivent chez le bookmaker reçoivent un bonus de bienvenue consistant à booster le premier dépôt à 100% dans la limite de $130 pour parier sur les différentes compétitions de football mais aussi le tennis, le basketball et bien d'autres sports. Le code promo 1xbet est "1X54214" Saisissez notre code 1xbet lors de la création de votre compte pour recevoir le meilleur bonus de bienvenue 130$. Depuis plusieurs années, parier sur 1XBET avec un code promo est l’une des meilleures options de la plupart des amateurs de paris sportifs et de jeux casinos en ligne.