The topography of the ocean floor will be changing constantly as the submarine moves from the shore and farther away from it.
Explanation:
The ocean floor has its own specific topography, and it can be roughly predicted. As the continental masses, the ocean floor experiences numerous process, both geological and external ones, and all of them contribute to shaping up its topography. Some of the features that can be encountered are:
- continental shelf
- continental slope
- submarine canyon
- continental rise
- guyot
- mid ocean ridge
- abyssal plain
- abyssal hill
- trench
If a submarine starts to move from the coastline further into the ocean, than it will first encounter the continental shelf. After that will come the continental slope and submarine canyons as the elevation sharply drops. Then come the guyots, and toward the central part of the ocean will be encountered the mid ocean ridge. Just before and after the mid-ocean ridge there will be abyssal plains and abyssal hills. If the submarine continues toward the shore, and if there is a subduction zone, then it will encounter an ocean trench as well.
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