Transcripts For DW 42 20240706 : vimarsana.com

They actually do what they want to be. Boy ok. The route. So what about on the standing a wave . We dont really know what is happening. The ocean, we dont, we dont have enough measurements. The absence of measurements leaves room for fantasy. Hollywood shows months the way sweeping away join cruise ships. As in the 1972 film, the poseidon adventure does is made that there are waves that this size does that wasnt on the radar. So it sounds crazy rogue waves to one of those natural phenomena that shouldnt even exist according to scientific theory. Even so theyve been reported again and again, just like ships that mysteriously disappear. Can the mystery of the giant waves ever be solved . And what does a burning match have to do with any of it . Ah, that starts here. Its no surprise that a hollywood movie would exaggerate the height of a wave take. For example, wolf can petersons the perfect storm. The months to wave is meant to look as dangerous as possible. Supposedly the film is based on a real incident, but how believable the stories as the fabulous. There were other stories in the middle ages. They talked about. Siemens is coming up from somewhere in snaring ships and dragging them into the deep and so on eve, our eyes, not delilah, for centuries, monks to wife were considered a sailors young, like giant squid, another seamlessness. My witnesses were dismissed as crackpots. Even when they were reputable captains like this 1, june, to move to v a french navigator and explorer reported to 30 me to wave in 1826. O. 3 of the sailors confirmed the tale. No one on shore believed the captain. About a century and a half later different c. Same story other than the da, my and so at the time i was on a 10000 ton ship shift with onvia and we were sailing straight to the caribbean tele, big at the time. Mark such was the 2nd officer on board. The m s. Fulton book, which was caught in high waves on the atlantic. That more and more wind came up and we have it. And we made quite a few jumps without the modem from. So all kinds of things were going on, but it was all still within the realm of the normal law life. My mock ought to standing with his captain outside on the wing next to the bridge. And then happened. A frivolous ship rolled terribly horse and, and i leaned forward like this and all of a sudden all was silent for were or then i thought if the, if what is this the windows and stop all the one they all when i called before enough, i look over to starboard like this, and then the thing arrives out of, of you. I was like a whole laugh. There was a little white edge on top of them and that was coming towards us. And i come over to a monster wave just before the black wall and the ship with full force mac thought managed to grab hold of the bearing compass. Then he fainted. Briefly. When he regained consciousness, he saw the extent of the devastation, belma. We had incredible damage to the ship them but we had 10 mercedes loaded. They were smashed to bits. Klein was the crew escaped in one piece. Nobody was seriously injured. How high this wife after be to call so much damage. Portion from 21 to 25. So 23 meters was a must have vain that without exaggeration, not a sailors. Yon a single wave in the middle of the sea as high as a 5 story apartment building. My wonder the Research Community is remain skeptical of such descriptions. This every now and then scientists publish an article that says for the height sale is a talking about doesnt exist. Todd exists and physically and mathematically impossible among they crazy. The sailors, a lot of the cliche of the sailor whos up too much to drink until toll tiles persists to this day in such popular films as pirates of the caribbean. For example, wise, the rum always gone. But while joint waves thought to be purely fictional, to get an answer, we need to understand what wives are in the 1st place. How do they form . How do they reach their size . The decisive factor here is wind. The wind blows across the Water Surface and brings energy and it releases some of that energy on to the surface. And what does the Water Surface do with that . It makes waves the waste transport, the energy, how high the waves get depends on 3 factors. First, how long the wind blows. Second, how strong it is. A 3rd is called the fetch, the fetch. This is a 3rd. This is the length of the Water Surface that wind can act upon without restriction. The longest fetch is between 40 and 50 degrees. Latitude, just off antarctica. This is because hardly any land or mountains are here to deflect or obstruct the wind. So the wind can cause very high ways. 15 meters, no problem, but anything above that contradicts the classical wave theory. Thats to say from a physics perspective, extreme waves are extremely improbable. Do what i like i does the probability that a wave of a given height will occur is given according to calcium distribution. Because lcm distribution is a curve thats highly improbable for very small waves. Locsin, when there is a maximum excrete it is a waves that may be 6 or 8 meters high, and then the probability goes down again and fall very high waves of 25 meters. The probability has become very, very small. It actually, thats the reason why, according to this idea and this gaussian distribution, what these, especially large y heaps practically never occur active. She often, in this sense, waves not so different from humans. Height is also normally distributed among people. Take women in germany on average, they are 1. 66 meters tall, extremely tall or extremely short. Women on the other hand, very red. But wait a minute. What about these breaker waves . In nazareth, portugal, for example, waves regularly rise higher than 25 meters. So regularly, in fact, that the fishing village has become a magnet for big wave surface. So to solve the mystery of monster waves should wave scientists just take vacations. More of it is the palm. A supposed that here we have the ocean here we have our cosa we have a c flores, the bottom that we will decrease. Okay . So what that will decrease from here to here. So we have, shall, the, what there, here. And here we have deep water than where waves will start traveling, moving and the they was low down because of the what the bed is decreasing and they will slowing down and start accumulating and getting larger and larger and as steep fraud to will be form. And i want this to keep from this form. Then gravity will make a weight break. And this is what is happening on the beach every day. So far, so normal but not re, has a special feature of the coast lies an underwater canyon and gets narrower and narrower towards the coast. Whipped up by the wind. The waves are squeezed towards the land as if through a funnel storms move unhindered across the atlantic. Towards portugal, especially in winter, plus in that array, they meet an oncoming current. All this combined to make the waves have enormous. Sounds reasonable. So whats the problem with rogue waves in natalie another a at the soft spots. One big wave after another comes in speak to these waves that belong, theyre not roadways. Rogue waves are ways that occur spontaneously in a strong swell is for example, you have 6 to 8 me to waves. Good and then completely out of nowhere away. The 25 meters high comes a limit from what was it . Thats the classic ro glycogen. Well, so theyre also called freak waves in english because they behave a little differently than their fellow waves kind of freaky with re quade is a wave more than twice the size of any other wave, observe that at a given tile robot of them. So if waves in stormy sea reach, say, 12 meters high than one freak wave among them may well be 25 meters high. This has been known since new years day 1995. On that day, the weather of the dr. Nagas platform in the north sea was rather bad. 12 me to high waves, crashing against the platform. Nothing unusual. But then around 3 oclock, p. M. Something appeared on the horizon. The crew had never seen before. A giant wave rose up and crashed on to the platform. A sense of measured it just on the 26 meters burst. Most people didnt want to believe the drought, no measurement on the timeline, which is measured by a sensor on site. You can see the waves coming in the middle of it or suddenly theres an outlier like that. And then it goes back to normal. And when you see Something Like that, and youve had experience with measurements yourself at that, do you think something went wrong or something bumped into the sensor . But the measurement was correct. Another precision instrument recorded the wave independently, no chance of error. The drive no way, it was measured with a laser device thats fixed to the platform. It looks down at the Water Surface measures the distance to watch. The mess of the laser was connected to sensor at the platforms foundation and the sensor mission to weigh 25. 6 meters high. A freak wave as high as the Brandenburg Gate and berlin. Its lucas. Its really exciting to say that way. Theories ive clearly stated at such events cannot exist because wave theory doesnt account for that athlete in other other when the truck knows constructed in the 1980s, it was calculated that a 20 me to waive occurs in the north sea once every 10000 years. Waves 26 meters high were not included in the calculations tor. Luckily, the platform held up anyway, following the direct the wave however, the scientific view of this phenomenon changed radically. Now, all the shipwreck suddenly had an explanation, and the stories about monster waves were no longer just a sailors. Yar, the ne findings, we used to show that between 1969199422 mega freighters sank due to rogue waves killing more than 450 people. In addition, many small vessels are so the freight, the same feel, for example, sank of scotland in 2015. 8 sailors died. The suspected cause was rung wave that appeared out of nowhere. For these things always take you by surprise. Theres no way you can know beforehand, but what if they could be anticipated . What if research is new, how, when, and where these monsters created . Could seafarers be warned and the worst preventing research is now being conducted world wide to solve the mystery of monster waves. One approaches to evaluate previous incident. Apparently, there are clusters in certain places like the gallus current of south africa, all. But why am i its long been established that ships quite often encounter unexpectedly high waves on the gallows, hearns of south african woman. The idea was proposed early on dammit, that it could be related to the strong current prevailing. Well, it meets the waves there. So its an interaction between the current and the waves and you can picture it this way. What that when the current comes from one direction and the waves arrive from the other direction, then the current practically bunch of the waves together and then the energy has to go somewhere. So it goes up. This means the ways become high and steeper and the probability of an extreme wave has also increased. I remember when i was a kid and i was playing with a lens and i was burning things and my mom was not very happy about that. But the idea is the same because when, oh, electromagnetic waves goes through a lens, are, they can be focus in a single bond. And then you create really place where there is a lot of energy there. Like sunlight through a magnifying glass ocean current concentrates a lot of energy and that poses a danger to ships. Not only of south africa as this happened, joint weight also developed in other areas. For example, east of japan, or along the United States east coast. These are areas where major currents flow such as the curse you or the gulf stream. Conversely, does this mean the all clear for regions like the mediterranean, where there are no strong current, unfortunately know as the case of the grand voyage, a crew ship in 2005 shows on a heading from tuna to pos alona 60 miles from an orca the ship ramens trouble. The engines fail. The ship was visited by the waves, a coin upon 20 people were injured. Only online, did it become clear what had actually happened . A rogue wave . It smashed a window on the bridge. The water paralyzed the electronics rendering the ship temporarily unable to maneuver. Freak waves are unpredictable like powerful monsters, power and destructive d, the coolant. This varies equivalent to the force exerted on the ship. I 3 me to waive difficult this fear is equivalent to the force exerted on the ship by 8 me to waved and easy is equivalent to the force that a row away exhausts on the shipped a frog waves can develop that tremendous power even in regions without strong currents as the case of the grand voyager in the Mediterranean Sea shows than other factors, obviously figure into that development. O. D, eisley individual lives is simply superimposed or added on to one another. So a natural swell has long gotten short await components. Sometimes these are just adding together a did it sounds like charles play the wave simply stuck on top of one another. According to the principal, one plus one, it was 2. On old recordings of this wave channel. It looks like this. The effect is called superposition. Shortwave to slower to the court unknown the 1st to was, the waves of villa become one big one. Unlike in the channel waves move formal kyle to kill the open sea. In a special circular wave channel, which is a trying to simulate the open sea blue and it works. Wave superposition takes place. Multiple waves, grow into monster waves, especially when they meet at an angle between 60 and a 120 degrees. Oh. According to the theory of superposition, seafarers should be safe because rogue waves and normally distributed and that as we learn means extremely rare. That this point, we could conclude theres no reason to panic about roadways if youre far enough away from major current. But then other data contradicts this, the arm and our measurements have shown that there are places where extreme waves can will frequently than you would expect from pure chance not. So linear, superposition is not adequately explained this frequent occurrence of extreme waves of holistic altitude on exclaim venza ak leon. Aha, sir, no clear. Unfortunately, in fact, these data reflect the number of ship bricks caused by rogue waves better. But that means we need another completely different theory about the origin of these waves. Maybe this little sailor can help us with that. And not huffman places him in a wave channel that its almost 20 meters long, and at one end is a flap that generates wow, listen, its at the other end is a beach which absorbs the wage sled, arrive them so. So you have the propagation in one direction only a slowly 1st we generate a regular way of speak, the flap moves in a regular way and radiates a periodic way to start so far, so good. Everything works exactly as described. The flap makes nice even waves at regular intervals, but then the research has changed the frequency. And as if by magic, a rogue wave 3 times as peak suddenly appears at the far end. Not so we could observe that out of a uniform way field. At one point a road wave builds up and then also disappears again. Bad luck for our little sailor. And not so easy to explain because its magic, its the kind of med big. And since this magic is a scientific one, it has a very scientific night modulation instability that gets dollar model. And here you have a molar chromatic wave series. That means all the waves that come in look the same. They are very uniform and move outwards. Random noise there, monday, done then if you act upon them from the side, so to speak, the atlas then something happens to this wave series. Then groups of waves, full men can happen that away forms within this group that grows quite a lot higher than the incoming wave series. Im up to 3 times as high a wall. What happens here can best be described as a kind of theft. Im on canada. What is happening is that the single wave with a starts sucking energy out of the surrounding waves and well start growing. This is a typical nonlinear effect. And then out of this crawling, you will, you will reach a wave. There can be 23. 00 in even more time the significantly 5, the theory of modulation instability sounds much more threatening for shipping than that of superposition. Because it says, not only can rogue waves rise much higher, they also occur more frequently about 10 times as well. So obviously everything depends on which effect is the operative one. Laboratory simulations are of limited help because the ocean is more complex than what can be tested in wife channel. So we need more data. These can be provided by toys that record what happens before and after a rogue way. And under what conditions they occur. Ah, but unfortunately we do not have these data. So there is still no Scientific Consensus about what causes rogue waves. A stem was, if i was given from what i have evaluated of the measure language, and i believe linea superposition is the main cause of extreme way of his fixed claim. Been on the by didnt. So in a really big rogue way, its not a sum 30 meters high. I have no doubt that non linear effects dominate when i started working. Of course i was convinced that the non linear mechanisms were fundamental, but now im getting older and that may be wiser. And i, e, i understand that the, maybe the mechanism is not a single one mechanism. So each way should be an allies in each conditions. Should be check to see if it is or not, moderation stability or currents, or superposition. So its probable the more than one phenomenon is behind rogue waves, depending on the way it may be, the one or the other. This is precisely wise necessary to understand which principle is done. Greatly improve our ability to assess dangers in the future. In 2002, the oil tank a prestige broke apart in the atlantic, who caused a terrible Natural Disaster on the coast of spain and france. Experts believe that a rogue wave damaged the ship, especially for older freighters. The force of such a weight can be devastating. With dish of saloon fed ship house ill ship strangled to day are at a level where you cant compare them to 50 years against them. So as a rule, ships wont break apart. Let a residual risk is dylan cause it shapes are over 400 meters long and over 50 meters wide, much bigger than a rogue way, plus more ships. Rogue waves can cause problems. Motor freighters have a clear advantage of a smaller and older vessels, but large and new to not automatically means safe. Lets look at a cruise ship. Oh my good have by going quite far, you proceed from a certain wave. Hyatt for a cruise ship like this, the way that you can easily withstand the lots are, for example, from 6 to 8 meters or so. Of i for that means the 1st deck is pretty high. The fun. Yeah. Thats where the window start, the big beautiful panorama window, la, shy, but ive been suddenly there is a monster thats twice as high on her. Thats tons of water crashing onto the windows and of so i can imagine a cruise ship can withstand that end of of course, far i was like, this was the case for the louis majesty cruise ship of spains mediterranean coast and march 2010 coffee and cake were being served when suddenly 310 me to high wave slammed into the ship. The panorama windows burst. 2 passengers died. An amateur video circulated on the internet. Could Technology Help could wave right off predict waves individually for ships, ships, but also busing. Ship radars, copper some square miles around the ship or oil platform was what they allow. C conditions to be reconstructed using computer models. And then these models are used to make future projections. Its similar to whether falcons, no limit of wet logan for this forecasting. Its vital to gain an even better understanding of how rogue waves form the writer must be able to predict was linear and non linear rogue waves. It could warn captains of possible rogue waves 5 to 10 minutes in advance. Not much time, but it could be enough. You may aside the, the more time you have the better. If you could, every one on board can be warned hunter. That means the damage that may occur to lee minimized events. Whats bad is if they have no time on that flood, then you cant do anything. Then you have to rely on things going well on being lucky. Get the gluco. The forecast that goes beyond 10 minutes, as for now, impossible. The seas just to celtic postuma, what the problem of rogue waves cannot be priced in. You cant eliminate the residual risk of a ship capsizing. You have to live with it. Further research into rogue waves will help to protect chips, the environment, and human lives. An element of the unknown will probably always remain, but perhaps, therein lies the fascination. Ah, ah ah, ah, ah ah ah, with who a in 2019 and investigative report brought down austrias government in how did the journalists make this happen . Whats the story behind their work in exclusive look into the secret world of Investigative Journalism . Behind the headlines in 15 minutes on d. W. Conflict with Tim Sebastian as the fighting growing zone in you crime, spare a thought for some of the countries on the edge of rewards. I believe a these days thats more diverse for a minute. For me to profess group is struggling to come back. I bring a tractor from russia with support is just how long with pray west to the state, even the hope to survive conflict with 90 minutes on d. W with. Ah, shes got it all say, well, crazy oh, time one thing for a brain update. Its magic, its the kind of magic because this orchestra called the brain continuously adaptive cells. And so we ask a few astute questions. Are we smarter swarms or u. S . I wouldnt causes monster waves help powerful or your thoughts. However, we can control i thought, which makes us very power came. We have to learn a lot and we do that through plane questions about life, the universe, and kind of like a superpower. And were serious. 40 to the answers almost everything this week on d w. Ah, ah, this is the w news live from bern, then russia claims to have filed an assassination attempt on president. These images i said to show the moment to drone attack the kremlin in moscow. Keith denies involved also on the program, the School Shooting leaves in shock. Police in belgrade arrest 13 year old boy suspect of killing at least 8