We Need Better Maps of Our Oceans
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Date: 2024-01-04
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Comments and reviews: 34
-kj55
I strongly believe the US government has satellites that can see through the water and could help with this. They have satellites that can see through building and see building and bunkers in the ground, like literally see if people are in the bunkers. This tech has been around since the mid 90s.
I remember watching a video about the gulf war and the guy talking about it worked for the CIA. Saying that one of the ways they found a lot of the hidden bunkers and knew where to drop the bombs. I am sure by now that tech has gotten better. Also I would think the US would love to literally see subs under the water from other countries
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I strongly believe the US government has satellites that can see through the water and could help with this. They have satellites that can see through building and see building and bunkers in the ground, like literally see if people are in the bunkers. This tech has been around since the mid 90s.
I remember watching a video about the gulf war and the guy talking about it worked for the CIA. Saying that one of the ways they found a lot of the hidden bunkers and knew where to drop the bombs. I am sure by now that tech has gotten better. Also I would think the US would love to literally see subs under the water from other countries
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-dmac7128
the depth resolution of sonar when mapping deep water is also limited by the accuracy of its sound speed input. Your typical echo sounder uses a mean sound speed in its depth calculations. In shallow water the difference between measured depth and actual depth is small. But as depth increases, the difference increases. I would imagine there are more advanced echo sounders have sound speed profiles used as inputs and could provide corrected depth. The would require frequent sampling of the water column though.
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the depth resolution of sonar when mapping deep water is also limited by the accuracy of its sound speed input. Your typical echo sounder uses a mean sound speed in its depth calculations. In shallow water the difference between measured depth and actual depth is small. But as depth increases, the difference increases. I would imagine there are more advanced echo sounders have sound speed profiles used as inputs and could provide corrected depth. The would require frequent sampling of the water column though.
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-jwallix
-neo I believe your explanation of the gravity measurement method is wrong. Mountains on the seafloor increase the gravitational pull - therefore the water level above the mountain should be lower, not higher.
An article on the NASA Earth Observatory website says the following: -. mountains and other seafloor features have a lot of mass, so they exert a gravitational pull on the water above pulling more water toward their center of mass. -
Any thoughts?
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-neo I believe your explanation of the gravity measurement method is wrong. Mountains on the seafloor increase the gravitational pull - therefore the water level above the mountain should be lower, not higher.
An article on the NASA Earth Observatory website says the following: -. mountains and other seafloor features have a lot of mass, so they exert a gravitational pull on the water above pulling more water toward their center of mass. -
Any thoughts?
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-herzogsbuick
The map/globe imagery at 3: 09 bothers me a lot. I live in Alaska. The Aleutian Islands, while some get snow, are usually never covered in snow. Some rarely get snow. It's like everything north of Vancouver on that map except seemingly Maine for some reason, is covered in snow. Something's not right about it. If in fact that's not a composite (all satellite images are composites but I mean compositing images from multiple years, I'll eat my hat.
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The map/globe imagery at 3: 09 bothers me a lot. I live in Alaska. The Aleutian Islands, while some get snow, are usually never covered in snow. Some rarely get snow. It's like everything north of Vancouver on that map except seemingly Maine for some reason, is covered in snow. Something's not right about it. If in fact that's not a composite (all satellite images are composites but I mean compositing images from multiple years, I'll eat my hat.
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-porthose2002
I think it would be interesting to investigate why some of those densely scanned areas exist on your map. The search for MH370 along the 7th arc was easy to spot, but that caused me to wonder about many of the others. the density around the coastlines are obvious, but I'd love to know why some of those other big blotches that are seemingly out in the middle of nowhere were scanned. Is there a database or resource that explains any of this?
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I think it would be interesting to investigate why some of those densely scanned areas exist on your map. The search for MH370 along the 7th arc was easy to spot, but that caused me to wonder about many of the others. the density around the coastlines are obvious, but I'd love to know why some of those other big blotches that are seemingly out in the middle of nowhere were scanned. Is there a database or resource that explains any of this?
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fun-facts
Is there a scientific mistake?
At 10: 30 you talk about the water level, wich indicates the underliying seabed.
Why would a shallow seafloor, e. g. a -mountain- under the sea elevate the water above it?
My high school geography teacher told us the exact Opposite. A mountain under the sea Floor has a mass, so it will generate a gravitationall pull on the water, wich would pull the water down. Generating a dent insteadt of a hill?
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Is there a scientific mistake?
At 10: 30 you talk about the water level, wich indicates the underliying seabed.
Why would a shallow seafloor, e. g. a -mountain- under the sea elevate the water above it?
My high school geography teacher told us the exact Opposite. A mountain under the sea Floor has a mass, so it will generate a gravitationall pull on the water, wich would pull the water down. Generating a dent insteadt of a hill?
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-giiiddyup
Why hasn-t anyone sued the inventor(s) of plastics to help cleanup the Earth of their creation? No one considers the damage ones creation causes the Earth prior to manufacturing. Something that should be standard for everything that is manufactured. People only care about making money. So the earth is a bazillion years old, yet in the last 100 years, we-ve managed to ruin it with our -technological advances-
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Why hasn-t anyone sued the inventor(s) of plastics to help cleanup the Earth of their creation? No one considers the damage ones creation causes the Earth prior to manufacturing. Something that should be standard for everything that is manufactured. People only care about making money. So the earth is a bazillion years old, yet in the last 100 years, we-ve managed to ruin it with our -technological advances-
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-walkfaster
A future generation will deploy underwater drones to map, collect and process (recycle) human debris once their is an economic motive to do so or once we determine that not to do so would mean our doom. Policing the polluters is another essential piece of reversing current trends.
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A future generation will deploy underwater drones to map, collect and process (recycle) human debris once their is an economic motive to do so or once we determine that not to do so would mean our doom. Policing the polluters is another essential piece of reversing current trends.
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-DJ-oz6ee
This video is as impressive as it is informative. In weaving complex ideas into layman, the viewer is heavily considered here.
As soon as a question entered my head - the narrator began to unpack relevant info at exactly the right time. Well done - thank you!
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This video is as impressive as it is informative. In weaving complex ideas into layman, the viewer is heavily considered here.
As soon as a question entered my head - the narrator began to unpack relevant info at exactly the right time. Well done - thank you!
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-mdmcdonald7338
I like the content but the speech impediment of the narrator is distracting. He says -dem- instead of -them, - -dat- instead of -that, - -de- instead of -the, - -dis- instead of -this. - It is not that hard to master the -th- sound.
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I like the content but the speech impediment of the narrator is distracting. He says -dem- instead of -them, - -dat- instead of -that, - -de- instead of -the, - -dis- instead of -this. - It is not that hard to master the -th- sound.
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-LSolomon13
The production value for this is fantastic, and I love this video in every way except for the -f- sound for every -th- from the narrator. Its driving me crazy how he pronounces some things
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The production value for this is fantastic, and I love this video in every way except for the -f- sound for every -th- from the narrator. Its driving me crazy how he pronounces some things
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-thomaswatson1995
They need to ban all plastics used for non building related things, and burn it from now on, such a small amount gets recycled we need to just deal with the problem at the source!
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They need to ban all plastics used for non building related things, and burn it from now on, such a small amount gets recycled we need to just deal with the problem at the source!
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fun-facts
The narrator-s speech impediment is so annoying. Please go see a speech-language pathologist to fix your problem, dude. I can-t listen for longer than 2 minutes before getting frustrated.
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The narrator-s speech impediment is so annoying. Please go see a speech-language pathologist to fix your problem, dude. I can-t listen for longer than 2 minutes before getting frustrated.
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fun-facts
the amount of microplastics will drastically increase even from current ALARMING rates because waste that floats is constantly exposed to UV radiation and degrades into microplastic
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the amount of microplastics will drastically increase even from current ALARMING rates because waste that floats is constantly exposed to UV radiation and degrades into microplastic
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-mikeno. 9308
You answered the question no one asked when you said -biofouling- like it was a bad thing - God-s creation has a knack for surviving our inadequate stewardship.
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You answered the question no one asked when you said -biofouling- like it was a bad thing - God-s creation has a knack for surviving our inadequate stewardship.
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-kinglouis6974
Although I completely agreed with cleaning up the earth
The trouble is the world is in a mess atm and there are other things that need putting right
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Although I completely agreed with cleaning up the earth
The trouble is the world is in a mess atm and there are other things that need putting right
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-danieljung21
I-d like to think we could use our nuclear submarine fleet for these types of research while they-re not doing their normal nuclear deterrence things.
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I-d like to think we could use our nuclear submarine fleet for these types of research while they-re not doing their normal nuclear deterrence things.
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-greenhat7618
Sonar is also incredibly disruptive and could even kill whales and other sea animals that uses echo location themselves and thus is sensitive to sound
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Sonar is also incredibly disruptive and could even kill whales and other sea animals that uses echo location themselves and thus is sensitive to sound
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-HowieIsaacks
The US Navy has high quality maps. VERY hight quality. I've seen them. There's no way we would operate submarines deep at high speeds without them.
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The US Navy has high quality maps. VERY hight quality. I've seen them. There's no way we would operate submarines deep at high speeds without them.
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fun-facts
ok i love the video, but why is it called Why we don-t have proper maps of the Ocean, when half of the video talks about waste collection in the ocean?
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ok i love the video, but why is it called Why we don-t have proper maps of the Ocean, when half of the video talks about waste collection in the ocean?
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-drew8703
Shouldn't everyone just gather that throwing garbage in the ocean is bad and we shouldn't do it, no need to map ocean further to learn anything more.
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Shouldn't everyone just gather that throwing garbage in the ocean is bad and we shouldn't do it, no need to map ocean further to learn anything more.
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fun-facts
The only way an emphasis on mapping the oceans would happen is if it would benefit a country's military or resource gains. and that is a sad fact
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The only way an emphasis on mapping the oceans would happen is if it would benefit a country's military or resource gains. and that is a sad fact
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-T8ersalad
Every TH is pronounced D. Further is ferver. Thirty is ferty. Lol. With 1. 45 million subs i dont know why i felt i had to point that out.
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Every TH is pronounced D. Further is ferver. Thirty is ferty. Lol. With 1. 45 million subs i dont know why i felt i had to point that out.
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-texasforever7887
0: 20 You mean available to the public. The US and Soviet Navies conducted vast and still classified mapping of the ocean floor.
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0: 20 You mean available to the public. The US and Soviet Navies conducted vast and still classified mapping of the ocean floor.
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-jezusbloodie
No way that the North Sea isn't properly mapped, we know of all the ice age river valleys and hills that made up ancient Doggerland
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No way that the North Sea isn't properly mapped, we know of all the ice age river valleys and hills that made up ancient Doggerland
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-user-dr2pg8fk2i
These are the civilian maps. Military maps are significantly more complete and better. But they are a closely guarded secret.
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These are the civilian maps. Military maps are significantly more complete and better. But they are a closely guarded secret.
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-michaelmokotong
The manufacture and dissimation of plastic are implemented mainly by whites. Why must other people pay and suffer for this.
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The manufacture and dissimation of plastic are implemented mainly by whites. Why must other people pay and suffer for this.
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-JayBe443
I might be in the future. Technologies have come a very long way in a short time, considering other world-defining revolutions.
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I might be in the future. Technologies have come a very long way in a short time, considering other world-defining revolutions.
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-Skybar23
imagine the CANCERS caused in humans when eating fish that have accidently eaten micro plastics and plastics on the sea bed
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imagine the CANCERS caused in humans when eating fish that have accidently eaten micro plastics and plastics on the sea bed
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-TheFishingNomad
So is this video about why our ocean maps are bad? Or about trash in our oceans? Very poorly titled and made video.
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So is this video about why our ocean maps are bad? Or about trash in our oceans? Very poorly titled and made video.
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-ohara568
Great video but the narrators voice was annoying. If you turn the sound down and read the captions it's a big improvement.
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Great video but the narrators voice was annoying. If you turn the sound down and read the captions it's a big improvement.
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-Penfold497
Maps of our oceans are bad because water-themed supervillains keep using them to find, and then attack, New York City.
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Maps of our oceans are bad because water-themed supervillains keep using them to find, and then attack, New York City.
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-MaxBaxPamparapa
you should have also mentioned LiDAR, a technique similar to sonar, where instead of sound it uses lasers
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you should have also mentioned LiDAR, a technique similar to sonar, where instead of sound it uses lasers
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fun-facts
It's because you can't draw water. Water moves around constantly and looks different from one moment to the next.
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It's because you can't draw water. Water moves around constantly and looks different from one moment to the next.
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