The Navy mapped Cádiz by hand 230 years ago with sickening precision. Today it helps us to see how it has changed

We tend to think of geography as a static canvas, unchanged by the passage of our short lives; however, when cartographic science It allows us to look into a window several centuries old, the reality is very different. And it is very different because the coast moves and changes, having in Spain a great example in the Bay of Cadizwhich has undergone a fascinating metamorphosis in recent centuries, and the secret to understanding it lies in a technical and scientific prodigy dated 1789. How it looks. We do not have (at the moment) a time machine to go back in our history, but we do have historical documents that do almost the same effect. One of the last analyzed has been the map of the port of Cádiz, a nautical chart which documents in obsessive detail what this region was like more than 230 years ago. A ‘Google Maps’. To understand the value of this document, you must travel to the period between 1783 and 1788. In the midst of the Enlightenment, the need to control the vital Atlantic routes required leaving behind approximate maps and embracing scientific rigor to be much more exact. Here was the brigadier of the Royal Navy Vicente Tofiño de San Miguel, then director of the Marine Guard Academies, who orchestrated the spectacular Maritime Atlas of Spain. The map of Cádiz, which is one of the 47 plates that make up this atlas, is a masterpiece of hydrographic engineering of the time. Outlined by the cartographer Felipe Bauzá and engraved by Fernando Selma, this 56.5 x 87 cm map mounted on canvas shows the cartography of the coast from Rota to the Sancti Petri river with a scale of 1:30,000. What makes it special. It is not only its aesthetics, but the data it contains by integrating precise toponyms, the exact location of the historic salt mines, military arsenals and even detailed bathymetric data mediated in “Castilian fathoms”. And with this basis, and after comparing it with the reality of the present, we can know how a piece of land has changed over time. The threat of sedimentation. Since 1726, the accumulation of sediments was a headache for maritime traffic in Cádiz as it is today. The cartographic comparison shows how the currents and the mouths of the rivers have been filling in parts of the bay, altering the natural draft and forcing the reconfiguration of port areas throughout the 19th and 20th centuries. The historic salt flats. In 1789, the map shows a vast and intricate network of salt mines that dominated the landscape, a crucial economic driver at the time since the value of salt was very high. But this has remained in the past, since the urban expansion of municipalities like Puerto Real and industrialization has devoured these salt flats. The coastal profile. In this case, comparisons between the past and present show us how the coastline has advanced and receded. In this way, areas that were previously estuaries or marshes are now dry land or port infrastructure that we have reclaimed from the sea, demonstrating the intense mark that man leaves on the environment. Anyone can see it. Fortunately, this piece of technological history is no longer confined to inaccessible display cases, since the National Geographic Institute It is available for download in its map library with the aim that any researcher can access it and draw conclusions like the ones we see today. Images | Nerea Garcia IGN In Xataka | One of the most impressive bridges in Europe is in Cádiz, it has a removable section and the largest span in Spain

A ghost fleet has mapped the entire submarine structure of the EU. The question is what Moscow will do with that information

In January 2025 United Kingdom He raised his voice At the international level. The British Secretary of Defense, John Healy, explained that a nuclear submarine and two ships from Royal Navy had sighted a spy ship in the waters of the nation, and that it was the second time in just three months. The message did not stay there. The United Kingdom gave a name and a nation behind the incursion: Yantar and Russia. Now it has been discovered that the ship has been doing much more than that. The resurgence of a war. In recent months, NATO’s attention has moved to a less visible but increasingly critical front: the European seabed. The protagonist of this new concern is, again, The Yantara Russian spy ship that, disguised as a civil ship, toured during almost 100 days The waters of the Atlantic and the Mediterranean with an accurate objective: map and monitor the submarine cables on Europe and North America for their digital communications, their financial transactions, their energy and even their most sensitive military systems. We know all this Thanks to the Financial Timesthat after an investigation based on interviews with NATO naval officers and former members of the Russian north fleet, as well as in radar images of the European Space Agency, he has confirmed that the Yantar came to be located on critical cables in the sea of ​​Ireland and in front of Norway, on the strategic route to Svalbard. The role of Gugi. The Yantar operates under the orbit of the GLAVNOYE UPRAVLENIE GLUBOKOVODNIKH ISSLEDOVII (GUGI), the director of Deep Water Research created in the Cold War and known in the West as Military Unit 40056. Based on Olenya Guba, in the Kola Peninsula, this force is located on the border between the Russian Navy and military intelligence (Gru), dedicated less to science than to espionage. Gugi has about 50 platforms (From minisubmarines capable of reaching 6,000 meters deep to nodriza ships such as Yantar), designed to place sensors, manipulate or sabotage cables and, if necessary, destroy strategic infrastructure in a conflict scenario. Despite the blows suffered (such as the submarine fire Losharik in 2019 or the death of its historic boss by Covid), the organization has continued to receive resources Even in full war of Ukraine, which has allowed to commission new spy units. The Yantar The threat in the gray zone. The reactivation of Yantar’s missions Since the end of 2023 Indicates that Moscow has abandoned the initial caution he showed after invading Ukraine. Analysts like Sidharth Kaoushal (Rusi) They point that Russia has measured NATO’s red lines and is now more willing to take risks. The plans detected in the sea of ​​Ireland, where several cables converge that connect the United Kingdom and Ireland, fit into the Russian logic to act in The so -called “Gray Zone”: Operations of covert sabotage that do not equals an open military attack but can destabilize entire societies. In fact, Western Officers They warn That Moscow could, the case, cut energy or communications to force governments to the negotiation, or even alter the temporal signals that travel through the cables, with devastating effects in sectors such as high frequency financial trade. European vulnerability. The United Kingdom obtains the 99% of its communications Digital of submarine cables and three quarters of its gas through underwater pipelines. Ireland, which does not belong to NATO, is a particularly exposed point: cutting its connections would be to isolate it from the continent without directly attacking an allied member. He parliamentary report British of September 19 warned that the country “could not guarantee an attack or recover in an acceptable period,” also criticizing the fragmentation of responsibilities between ministries. In Denmark, the case of explosions of Nord Stream in 2022 evidenced the same bureaucratic dispersion. Although London has assigned the Royal Navy the mission of Protect these infrastructureexperts point out that the lack of anti -submarine frigates and patrol dependence limit the real response capacity. The Atlantic Bastion project. To close that gap, NATO and especially the United Kingdom they consider the creation of “Atlantic Bastion”: A defensive ring of sensors, submarine drones and acoustic stations in the seabed that reinforces the control of the Greenland-Islandia-Rio-Reinian corridor. Although the plan still lacks concrete financing, its need is increasingly evident. In parallel, surveillance ships such as The British proteus They rehearse with autonomous vehicles capable of documenting the activities of the Yantar and other GGI units, with the idea of ​​exhibiting public evidence and generating deterrence. Admiral Gwyn Jenkins, head of the Royal Navy, He warned This month that Gugi, after a period of relative stillness, “is returning.” Silent war. The activity From Yantar It is not an isolated case: between autumn of 2023 and November 2024, eleven Russian ships (military and supposedly civil) held a almost constant presence in British and Irish waters. Allied intelligence services suspect that Moscow already prepares sabotage scenarios against cables as a pressure measure on the countries that arm Ukraine. While until now these operations have been maintained under the threshold of the open confrontation, the possibility of Russia “turning off” the United Kingdom or Aisle Ireland is not a crazy hypothesis. As summarized Excapitan David Fields, former British naval aggregate in Moscow: “Russian military doctrine consists of hitting first, strong and where it hurts most, to prevent the enemy from even getting rid of war.” On that silent board, the Yantar has become the key piece of a underwater chess that threatens to redefine the limits of European security. Image | Defense ImageryAndrey Luzik In Xataka | A British nuclear submarine has discovered a Russian ship in front of its submarine cables. The second time in three months In Xataka | Research on submarine cables cut in the Baltic has taken a turn: it was not Russia, it was inexperience

Log In

Forgot password?

Forgot password?

Enter your account data and we will send you a link to reset your password.

Your password reset link appears to be invalid or expired.

Log in

Privacy Policy

Add to Collection

No Collections

Here you'll find all collections you've created before.