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Deep sea trenches form by a process called "subduction" where the Earth's tectonic plates meet and push together. The deep sea can be a lonely place. Life here is sparse - the extreme conditions make survival difficult.
This is the deep sea. Oceanographers divide the majority of the ocean midwater into five broad zones. (NOAA) Most are familiar with the surface layer, which extends down 650 feet (200 m) and receives the most sunlight, allowing photosynthetic organisms like phytoplankton to convert sunlight to energy.
The deep sea is broadly defined as the ocean depth where light begins to fade, at an approximate depth of 200 m (660 ft) or the point of transition from continental shelves to continental slopes. Conditions within the deep sea are a combination of low temperatures, darkness, and high pressure.
The US space agency is exploring the deep ocean to search for clues of what oceans on other planets could look like, and push the limits of science and technology in one of the most extreme...
9 de abr. de 2024 · Deep Sea Dive. See the most unexplored region of our planet and how it is teeming with unique life and mysterious volcanoes. Learn about how these animals thrive and survive in a place that receives almost no sunlight all year.
As deep-sea mining threatens to encroach on previously untouched seafloor habitats and climate change warms and acidifies the seas, the ocean's ecosystems are on the brink of profound change.
95% of the ocean remains unexplored, most of which is considered the deep ocean. But what exactly is the deep ocean? The first 200 meters of the ocean are the open ocean.
