Fisheries & Aquaculture - Sharks | FAO | Ca... Somalia y el golfo de Guinea: las dos caras de la piratería en África La piratería marítima es un crimen ancestral que sigue muy presente en pleno siglo XXI y que presenta una gran amenaza para la seguridad marítima internacional. A pesar de que en Occidente es un fenómeno prácticamente inexistente, y que suele evocar a personajes de leyenda de otras épocas, muchos países en vías de desarrollo la padecen de forma muy real y persistente. En África, esta amenaza se ha hecho notoria en las últimas décadas y alcanzó su culmen con el auge de los ataques piratas en las costas somalíes hace apenas cuatro años. Si bien el número de incidentes relacionados con piratas en el Cuerno de África se ha reducido drásticamente, en la costa opuesta, la que baña África occidental, se dio un repunte de la piratería que hacía temer un posible efecto desplazamiento de la actividad pirata al golfo de Guinea. El descenso de la piratería en el Cuerno de África: cuando querer significa poder Con el auge de la piratería hace unos años se multiplicaron los secuestros de buques.
groupe fmr (flux, matrices, réseaux) [Infographie] Programme Métro 2030 : le métro parisien comme vous ne l'avez jamais vu ! Depuis l’année 1900, le métro de Paris fait partie intégrante de la vie de la cité, accompagnant ses changements comme la vie de ses habitants. Au 21ème siècle, la RATP est confrontée à plusieurs défis qui sont matérialisés notamment par l’ouverture à la concurrence des lignes de métro en 2039 et le développement de la jurisprudence relative aux responsabilités des entreprises de transports en commun. Pour faire face à un contexte en pleine évolution, l’entreprise a lancé, depuis le début des années 2000, le plus important programme de modernisation du réseau parisien depuis sa création : Métro 2030. Il repose sur trois axes : la modernisation de l’information voyageurs, des transports et des stations.
The ocean at the heart of climate change Cousteau Society The world’s oceans absorb heat For any given rise in temperature, the world’s oceans store ten times more heat that the atmosphere. Taking into account the oceans’ considerable volume (300 times that of the atmosphere) the oceans trap more thermal energy that any other part of the planet. If the heat stored was released into the atmosphere, global temperatures would rise by 18 °C. An uneven distribution of heat Two thirds of the heat absorbed by the oceans is distributed within the first 700 meters of depth. A strengthening of the thermocline There’s naturally a marked difference in temperature between the oceans’ surface water and the greater depths. Can warm water rise back up from the deep ocean? After having reached a heat record in 1998 following an El Nino* event, surface temperatures have decreased in the Pacific Ocean contrasting with the evolution recorded in the rest of the world.
A map of all the underwater cables that connect the internet Cables lying on the seafloor bring the internet to the world. They transmit 99 percent of international data, make transoceanic communication possible in an instant, and serve as a loose proxy for the international trade that connects advanced economies. Their importance and proliferation inspired Telegeography to make this vintage-inspired map of the cables that connect the internet. It depicts the 299 cables that are active, under construction, or will be funded by the end of this year. In addition to seeing the cables, you'll find information about "latency" at the bottom of the map (how long it takes for information to transmit) and "lit capacity" in the corners (which shows how much traffic a system can send, usually measured in terabytes). The cables are so widely used, as opposed to satellite transmission, because they're so reliable and fast: with high speeds and backup routes available, they rarely fail. Connections in the South Atlantic are scarce. Submarine cables in Asia.
Submarine Cable Taps Cable data from Telegeography, GCHQ data via Süddeutsche Zeitung , © Mapbox © OpenStreetMap Improve this map © Mapbox © OpenStreetMap Improve this map uk.businessinsider How containerships reach mega sizes • Largest Ships in the World 3.5K Flares3.5K Flares × Container ships were not always this big . They grew over time, let’s find out how. Up until 1956, dock workers were the force responsible for packing international cargo in the holds of vessels, the cargo was also manually unloaded upon arrival at the designated port. McLean came up with the idea to employ cranes in order to directly load truck trailers aboard the ship. During the course of 1960s, he was able to launch even larger container ships, and thus it was only natural that his Pan American company began to take over the shipping industry. With time, the trend resulted into an arms race amongst shippers, due to the fact that larger vessels led to lower shipping prices per container – approximately the same number of seafarers was needed on a vessel despite its size, and on a proportion basis less fuel was needed per container for moving the bigger ones. This resulted in the huge ship growth we have seen occur over the years.
A Map of Currents and Seaweed, 1886 JF Ptak Science Books Post 2457 I think that if you squinted your eyes a little to deform your visual field and then looked at this map of the Earth's ocean currents that what you might see is...Mars. At least that's what I can see if I concentrate on it, or at least the Mars of 1880 or thereabouts, with its large and blotchy seemingly mobile and ambiguous forms skirting around the planet. "This map may be purchased at the blog's bookstore, here. That said this map does represent a high achievement, displaying the elements of the still young-ish science of oceanography (or at least in the form presented by Matthew F. This maps comes about a century after the first map to truly distinguish the Gulf Stream (the B. In any event, the Houston map is clear and concise--and given its 7"x 9" size, remarkably compelling. And I just love the seaweed mapping.
Battista Agnese Isochrone Maps of Europe Isochrone Maps of Europe 20 May 2015 Below is a map showing how long one would expect to travel to any point in Europe starting in Vienna, using only trains and walking at a brisk rate of 5 min / kilometer. Other Cities Errata / Disclaimer Everything is an estimate. Some data may be missing. Ireland and parts of Spain are not well represented due to missing data. How its made, technically I used the Swiss public transport API to get travel times to most other small-medium sized cities in Europe. This grid was used as an input to conrec.js which created a set of contour lines. The legend is its own div positioned directly below the map. Background Information and Motivation While browsing twitter, I recently came across this wonderful isochrone map of the travel times by train from Vienna to the surrounding region at the turn of the century.