World Ocean Day2 photos

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More than 70% of the Earth’s surface is covered by the world’s oceans, which occupy nearly three-quarters of its total area. Scientists divide the global water bodies into four major oceans: the Atlantic, Indian, Pacific, and Arctic Ocean. The study of these oceans falls within the field of oceanography.At an international high-level conference held in Rio de Janeiro, Brazil, in 1992, a new holiday was proposed: World Oceans Day.
Since then, this day has been celebrated by everyone who has even the slightest connection to the world’s oceans. Today, staff members of many zoos, aquariums, and dolphinariums work together to protect the rights of marine inhabitants and maintain a stable ecological environment.In 2008, the United Nations General Assembly officially designated World Oceans Day as an annual celebration starting in 2009.Thus, humanity has gained another opportunity to jointly strive to preserve nature in its best state and take care of the ocean’s flora and fauna. Protecting the oceans will help prevent the extinction of numerous plant and animal species.The intensive study of oceans began in the second half of the 20th century. The primary method for exploring the deep ocean was echolocation, which enabled scientists to create detailed maps of the ocean floor and discover its main topographical features.The deepest oceanic trench is the Mariana Trench, located in the Pacific Ocean near the Northern Marianas Islands. Its depth reaches 10,924 meters—almost 11 kilometers!Together with river runoff and sediments, approximately 0.5 million cubic kilometers of fresh water flow into the oceans each year. This volume is equivalent to a layer of water on the ocean surface that is about 1.25 meters thick.As is well known, the name “Pacific Ocean” was given by the Portuguese explorer Ferdinand Magellan after his voyage from 1519 to 1522. Magellan called it the “peaceful sea” because he encountered neither storms nor tempests throughout his journey.