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A trench is a deep and narrow excavation in the ground, formed by erosion, tectonics, or human activity. Trenches have various applications in geology, civil engineering, military engineering, archaeology, and safety.
Ocean trenches are deep depressions in the ocean floor caused by subduction, where one plate dives beneath another. Learn about their formation, location, life, and importance for earthquakes, human health, and climate.
A trench is an artificial exposure created in the geological subsurface to study geological events such as faulting, folding, erosion, and deposition. Learn about the properties, formation, and sediments of oceanic trenches, and the methods and challenges of trenching in geomorphology.
29 Νοε 2023 · noun. area reaching from the sediment of a body of water to its surface. Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth.
23 Απρ 2023 · Oceanic trenches are long, narrow depressions or deep valleys that occur in the Earth’s oceanic crust. They are the deepest parts of the world’s oceans and are typically located in the areas where tectonic plates meet.
Deep-sea trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to 36,000 feet). They typically form in locations where one tectonic plate subducts under another.
An oceanic trench is a deep, narrow depression in the ocean floor that forms where one tectonic plate is being subducted beneath another. These trenches are typically associated with convergent plate boundaries and play a critical role in the recycling of the Earth's crust, influencing seafloor spreading and the evolution of ocean basins.
