What does ocean bottom mean?

Definitions for ocean bottom
ocean bot·tom

This dictionary definitions page includes all the possible meanings, example usage and translations of the word ocean bottom.

Princeton's WordNet

  1. ocean floor, sea floor, ocean bottom, seabed, sea bottom, Davy Jones's locker, Davy Jonesnoun

    the bottom of a sea or ocean

Wikipedia

  1. ocean bottom

    The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as 'seabeds'. The structure of the seabed of the global ocean is governed by plate tectonics. Most of the ocean is very deep, where the seabed is known as the abyssal plain. Seafloor spreading creates mid-ocean ridges along the center line of major ocean basins, where the seabed is slightly shallower than the surrounding abyssal plain. From the abyssal plain, the seabed slopes upward toward the continents and becomes, in order from deep to shallow, the continental rise, slope, and shelf. The depth within the seabed itself, such as the depth down through a sediment core, is known as the “depth below seafloor.” The ecological environment of the seabed and the deepest waters are collectively known, as a habitat for creatures, as the “benthos.” Most of the seabed throughout the world's oceans is covered in layers of marine sediments. Categorized by where the materials come from or composition, these sediments are classified as either: from land (terrigenous), from biological organisms (biogenous), from chemical reactions (hydrogenous), and from space (cosmogenous). Categorized by size, these sediments range from very small particles called clays and silts, known as mud, to larger particles from sand to boulders. Features of the seabed are governed by the physics of sediment transport and by the biology of the creatures living in the seabed and in the ocean waters above. Physically, seabed sediments often come from the erosion of material on land and from other rarer sources, such as volcanic ash. Sea currents transport sediments, especially in shallow waters where tidal energy and wave energy cause resuspension of seabed sediments. Biologically, microorganisms living within the seabed sediments change seabed chemistry. Marine organisms create sediments, both within the seabed and in the water above. For example, phytoplankton with silicate or calcium carbonate shells grow in abundance in the upper ocean, and when they die, their shells sink to the seafloor to become seabed sediments. Human impacts on the seabed are diverse. Examples of human effects on the seabed include exploration, plastic pollution, and exploitation by mining and dredging operations. To map the seabed, ships use acoustic technology to map water depths throughout the world. Submersible vehicles help researchers study unique seabed ecosystems such as hydrothermal vents. Plastic pollution is a global phenomenon, and because the ocean is the ultimate destination for global waterways, much of the world's plastic ends up in the ocean and some sinks to the seabed. Exploitation of the seabed involves extracting valuable minerals from sulfide deposits via deep sea mining, as well as dredging sand from shallow environments for construction and beach nourishment.

ChatGPT

  1. ocean bottom

    The ocean bottom, also referred to as the sea floor or seabed, is the lowest part of the ocean, covering more than 70% of the Earth's surface. It is composed of a variety of geological features, including plains, trenches, mountains, and ridges. The ocean bottom hosts diverse ecosystems and contains various types of resources. It extends from the littoral zone, which borders the land, to the deepest parts of the ocean trenches.

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Numerology

  1. Chaldean Numerology

    The numerical value of ocean bottom in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of ocean bottom in Pythagorean Numerology is: 6

Examples of ocean bottom in a Sentence

  1. David Gruber:

    These catsharks live on the ocean bottom, yet we don't see any biofouling or growth, so this could help explain yet another amazing feature of shark skin, this study opens new questions related to potential function of biofluorescence in central nervous system signaling, resilience to microbial infections, and photoprotection.


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"ocean bottom." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/ocean+bottom>.

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