https://imgur.com/gallery/YGwQSk8
Someone explained to me that these may be areas where higher resolution sonar imaging is available as opposed to the surrounding areas of which would be low resolution.
Could someone explain in more detail/lay man’s terms?
Also, if the above explanation is along the right lines (pun unintended) are such images readily available to the public?
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Most of the ocean floor is mapped by measuring gravity with satellites. The lines are where a ship turned on the sonar while going somewhere else.
https://earthobservatory.nasa.gov/images/87189/seafloor-features-are-revealed-by-the-gravity-field
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