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?
In: 261
From what a brief search turned up, that’s likely from [echosoundIng](https://en.m.wikipedia.org/wiki/Echo_sounding). It’s where ships measure the depth of the ocean using acoustic waves.
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