Thursday, October 13, 2016

As ice melts and seas rise, can endangered languages survive?


From Grist by Kate Yoder

Wherever you are in Greenland, the way the wind feels can place you in relation to the sea and the ice.
The Inuit have relied for nearly a thousand years on tiny nuances in the breeze to guide them on foggy, starless nights, and they gave these winds special names.
A single word, isersarneq, communicates something like: “This is a wind in the fjord that comes in from the sea, and it can be hard to get home, but once you get out of the fjord, it’s nice weather.”

But recently, as the winds change and become unpredictable, these terms are disappearing.
“It’s a very complex set of factors driving language change, and climate is definitely one of them,” says Lenore Grenoble, a linguist at University of Chicago who specializes in Greenlandic.
Based on a dialect spoken in western Greenland, Greenlandic is the country’s official language, though other dialects are spoken in the east and the north.
It’s a fascinating language, Grenoble says, made up of extremely long words that can be customized to any occasion.
“There are as many words in Greenlandic as there are sentences in English,” she says.
“There’s a lot we don’t know about how it works, or how the mind works when it does this.”
Some things, like the words for different winds, are disappearing before we get a chance to fully understand them.

 Children play next to icebergs on the beach in Nuuk, Greenland. 
Reuters/Alister Doyle

We’ve lived past the peak of cultural diversity on Earth. Every two weeks, a language vanishes — one whose evolution stretches back to the earliest hominids traipsing the savanna.
Though it’s not a perfect measure, language is one of the best ways we know to gauge cultural diversity.
And that diversity is in danger.
Linguists predict in the next 100 years, half of the 7,000 languages currently spoken in the world will vanish.
The most common cause of language death is when people let go of their old language for a more dominant one, according to the Cambridge Handbook of Endangered Languages.
People have an incentive to adopt languages of power, ones that have come to dominate through colonization and offer higher social status and better job opportunities.
Languages can also die when a population is physically threatened through natural disaster, famine, disease, or war.
If you’re well versed in the effects of climate change, that list will sound familiar.
As the world heats up, we’re on track to see more intense storms, rising seas, prolonged droughts, and the spread of infectious diseases — all of which can, in turn, lead to chaos, armed conflicts, and migration.
And when people settle in a new place, they begin a new life, complete with new surroundings, new traditions, and, yes, a new language.

Gravity Spin-Off Short Film Aningaaq
 that follows the man on the other end of the radio,
an Inuit fisherman stationed on a remote fjord in Greenland.

Perhaps no place on Earth is a clearer testing ground for rapid warming than Greenland. In the last four years, more than 1 trillion tons of ice have melted from its massive ice sheet.
This year, the pace of melt was so shocking to climate scientists that they initially doubted their measurements were coming in right.
As Greenland’s environment is transformed, plant and animal communities are reshuffling faster than almost anywhere on Earth.
Polar bears are moving south, mosquitoes are proliferating, new fish species are arriving, rain is falling erratically, and the air is getting more humid.
The way of life for native Greenlanders is shifting, too.
While people used to use the winter sea ice in northern Greenland to hunt and travel, that ice is weakening.
Now, a misstep could plunge you into ice-cold water.
Traditional Inuit food sources, like caribou, are also affected.
Baby caribou tend to show up at the same time each spring, when plants are usually in their prime. But as the Arctic warms, plants are blooming and withering earlier.
This mismatch means that young caribou and their mothers are eating lower quality food.
“The connection between Greenlanders and the animals is absolutely central — just as central as their language to how they identify as Greenlanders,” says Ross Virginia, director of the Institute of Arctic Studies at Dartmouth.
As climate change impacts the life and land around us, it shapes where we go, what we eat, how we talk, and who we are.

On the other side of the globe, Greenland’s melting ice is contributing to a similar existential crisis in the Marshall Islands.
The chain of low-lying coral atolls stationed between Hawaii and Australia is experiencing a mass migration on the level of the exodus seen during the Irish Potato Famine.
A fifth of the population left the country between 1990 and 2011, and climate change is increasingly a factor in the decision to relocate.
As the ocean swallows up the sandy islands, flooding streets with sewage and inundating freshwater supplies, people will be forced to migrate, likely to the United States.
The largest population of Marshallese outside of the islands is in Springdale, Arkansas.
There, Marshallese immigrants would likely assimilate and lose their traditional language within the span of a few generations.
“There’s definitely the sense that if you don’t speak Marshallese, you’re not really a Marshallese person,” says Peter Rudiak-Gould, an anthropologist who has studied the Marshall Islands for 10 years.
“The culture couldn’t really survive without language.”
Coral atolls do have a built-in resistance to rising seas: Healthy corals grow and die, washing up on island shores as sand, naturally building them up over time.
But the process can’t keep up if sea level rises too fast, or if reefs are lost.
“Anywhere there’s a coral atoll and a unique cultural group on that atoll, there’s that potential for mass migration and extinction of languages,” said Rudiak-Gould. Tuvalu, Kiribati, and the Maldives are all examples of this.
Like the communities in the Arctic, the islanders of the South Pacific are facing down an uncertain future from unsteady ground.

 
 On Thin Ice: Inuit Way of Life Vanishing in Arctic
NBC's Ann Curry reports from Greenland, providing a rare glimpse of Inuit hunters facing a rapidly changing way of life in the Arctic

It’s difficult to pin migration solely on any single factor, which may explain why climate’s impact on indigenous languages hasn’t been studied closely.
The Cambridge Handbook of Endangered Languages includes one tiny paragraph on the subject.
It notes that climate change has been “largely overlooked” by linguists, even though it’s already begun to affect Arctic languages and will accelerate the decline of indigenous languages around the world.
Rudiak-Gould says we don’t really have any idea how many languages will go extinct.
“Whatever it is, it’s probably higher than we estimate,” he says, “because climate change has not really been taken into account in those estimates.”

In an email to Nicholas Ostler, chair of the Foundation of Endangered Languages, I asked why the linguistic community hasn’t looked into climate change more closely.
In reply, he wrote: “Well, climate change is a slow-acting trend — until it reaches a tipping point, I suppose.”
But climate change isn’t some far-off scenario: It’s the reality we live in now. In the Andes, isolated communities rely on glaciers and lakes that are vanishing.
Coastal villages in Alaska are already relocating to escape rising seas and melting permafrost. Once-fertile farmland in sub-Saharan Africa is turning into desert.
These communities have to negotiate life in a new, unpredictable environment — or leave, throwing tradition and identity to the winds.
Climate change could displace an estimated 200 million people by 2050 (even up to 1 billion!).
If we’re not at the tipping point yet, it’s on the way.

Emigration can threaten languages, but so can migration.
Greenland, with only 50,000 residents, is facing a veritable invasion of foreign workers flocking to the small country to take advantage of opportunities opened by the retreating ice, largely in oil and mineral extraction.
The boom is catapulting Greenland into 21st century geopolitics.
Most projections estimate the new wave of industry could bring in about 2,000 foreign workers, but one found that as many as 200,000 migrant workers could come to the country — four times the current population.
“This would be massive social disruption,” Lenore Grenoble says. It’s a controversial topic at the moment. Some Greenlanders want to take the opportunity to claim their economic independence, while others are worried that foreign contact would threaten their identity. If huge numbers of workers speaking foreign languages come to the country, nothing is certain.
While the mining and drilling hasn’t begun, Greenland is already inundated with visitors.
Many are “doomsday tourists” who want to see the country’s famous icy wilderness before it melts beyond recognition.
About 35,000 people visit Greenland by plane each year, plus another 30,000 cruise visitors.
“You have these cruise ships that land and empty out hundreds of people getting off the boat, wearing the same color jackets — like they’re all red or yellow,” Grenoble says.
“And they just descend upon a small town for a few hours and leave.”


Greenland is strengthening itself against this tide, defending its language the way an island might bolster its eroding shoreline by trucking in sand.
The government is replacing Danish place names with the traditional Inuit ones, translating written materials into Greenlandic, and ensuring the language is used in schools.
There’s even a language committee that legislates new words.
Katti Frederikson, the head of the language secretariat, helps develop and approve new Greenlandic terminology for all sorts of subjects: economics, science, mining industries, and law.
In 2013, the council approved the Greenlandic term for climate, silap pissusia, and climate change, silap pissusiata allanngornera.
These terms are explained in the clip below (following a brief overview of Greenlandic by Grenoble) by Lene Kielsen Holm, a Greenlander who works as a scientist at the Greenland Climate Research Center.
“It’s hard to talk about change the way the Westerners are talking about it, because the Westerners are doing it in an abstract way,” Holm says in the video.
“It is also abstract for the scientists — while for the Inuit living with the changes, it is something that we have to live with.”
When asked about the future of Greenlandic, Grenoble said, “I hope it lasts. The one language that I’m optimistic about in the Arctic really is Greenlandic.”
“If we lose our language, lots of stories will be lost, and lots of the traditional knowledge about nature, climate, medicine, and landscape,” Frederikson says.
“And of course the way we think, the way we act, will be lost. So what I’m trying to say is that by the time people stop speaking Kalaallisut, we’ll have lost Greenlanders.”
Every language represents a way of thinking that’s been built up over time through organic processes, like an ecosystem adapted to a particular time and place — and it can be disrupted, even destroyed, by sudden changes.
To keep theirs alive, Greenlanders have to do more than hang on to their vocabulary.
They need to keep the language relevant, shaping it to an unfolding world of miners, tourists, and changing winds.

Wednesday, October 12, 2016

This map shows the explosive growth of underwater cables that power the global internet


 From QZ by Christopher Groskopf

Despite decades of growth, demand for more and faster internet connections continues to skyrocket. According to Cisco, total internet traffic for 2016 will exceed a zettabyte. (A one with 21 zeroes behind it.)
That’s enough capacity to stream approximately 143 billion hours of Netflix video at Ultra HD quality.

Animated map shows the undersea cables that power the internet 
Every time you visit a web page or send an email, data is being sent and received through an intricate cable system that stretches around the globe.
Since the 1850s, we've been laying cables across oceans to become better connected.
Today, there are hundreds of thousands of miles of fiber optic cables constantly transmitting data between nations.

Though demand is concentrated in the most developed countries, much of the world’s internet growth is driven by globe-spanning enterprises.
Companies such as Facebook, Google, and especially, Netflix are pushing the limits of how much content can be shuttled around the world each day.
Though satellite connections also exist, the vast majority of intercontinental traffic crosses a relatively small number of undersea cables—the arteries of the global internet.

 data : CISCO


The map above, created with data from Telegeography, shows how those cables have developed since 1990. Most existing cables were constructed during a period of rapid growth in the mid-2000’s.
This was followed by a gap of several years during which companies steadily exhausted the available capacity.

Over the last few years, explosive new demand, driven by streaming video, has once again jumpstarted the the construction of new cables.
Most cables are laid by consortiums of providers that work together to fund the projects and to negotiate with the countries where the cables “land.”
Typically the largest members of these groups are major internet providers, such as Level 3 and Verizon.


However, according to a Telegeography report (pdf), many cables under construction today are receiving significant funding from internet giants Facebook, Google, and Microsoft.
Those companies now consume so much bandwidth that they require dedicated connections across the ocean.

Links :

Tuesday, October 11, 2016

Uncharted waters: Mega-cruise ships sail the Arctic

The 820-foot, 13-deck Crystal Serenity North West Passage: 
the ultimate expedition for the true explorer...
source Crystal Cruises

From Reuters by Gwladys Fouche

A surge in Arctic tourism is bringing ever bigger cruise ships to the formerly isolated, ice-bound region, prompting calls for a clamp-down to prevent Titanic-style accidents and the pollution of fragile eco-systems.

Arctic nations should consider limiting the size of vessels and ban the use of heavy fuel oil in the region, industry players said, after a first luxury cruise ship sailed safely through Canada's Northwest Passage this summer.
The route, which connects the Atlantic and Pacific Oceans via the Arctic, was once clogged with icebergs but is now ice-free in summer due to global warming.

With a minimum ticket price of $19,755, the 1,700 passengers and crew on board the Crystal Serenity followed - in reverse - the route first navigated more than a century ago by Norwegian explorer Roald Amundsen.
They left Anchorage in Alaska on Aug. 15 and docked in New York on Sep. 16.


The ship's operator, Crystal Cruises, says on its website it will repeat the voyage in 2017. It declined a request for comment when contacted by Reuters.

Two shipping executives expressed concern that the one-off trip could become a trend, citing worries over safety, risks to the environment and the impact on small communities, in an area where there is no port between Anchorage and Nuuk, in Greenland.

"The Northwest Passage is thousands and thousands of nautical miles with absolutely nothing ... There is a need to discuss possible regulation," said Tero Vauraste, the CEO of Arctia, a Finnish shipping firm specializing in icebreakers.

Were a ship to be in trouble in the Northwest Passage, there would be little authorities could do given the lack of infrastructure, he said.
"So we must do everything we can do to prevent this," said Vauraste, who is also vice-chair of the Arctic Economic Council, a regional forum for business cooperation between Arctic nations.

Navigation in icy waters is made more difficult by poor satellite imagery.
"An ice field might move at a speed of 4-5 knots, but a ship will receive a satellite picture of it that is 10-20 hours old," said Vauraste.
"We need better quality imagery."

 In Awe in the Arctic - Crystal Serenity Northwest Passage

Heavy oil

Another concern is environmental. "Potentially, an accident involving a mega-ship could represent an environmental disaster," said Daniel Skjeldam, CEO of Hurtigruten, a cruise ship operator in the Arctic and the Antarctic, whose biggest ships can accommodate 646 passengers.

Cruise ships usually use heavy oil, a type of fuel that takes longer to break down in the event of a spill.
The Crystal Serenity did not use heavy oil during its trip, its operator has said.
"Heavy oil in cold conditions is sticky and takes much longer time to break down so it has a prolonged effect on the environment," said Marco Lambertini, director-general of World Wildlife Fund International.
"If something happens at the beginning of winter, no cleanup can be done. Oil can get trapped under the ice and travel for a hundred kilometers," he told Reuters.

A U.N. polar code will come into effect in 2017 which toughens demands on ship safety and pollution.
It bans heavy fuel oil in the Antarctic, for instance, but merely encourages ships not to use it in the Arctic.
"What I call for is stronger regulations coordinated between the Arctic nations," Hurtigruten's Skjeldam told Reuters. He suggested the size of ships should be limited, without specifying by which criteria, that the use of heavy oil be banned and shipping companies should aim to reduce their emissions by, for instance, using hybrid engines.
Vauraste said an update of the Polar Code, addressing some of these issues, could be on the agenda for the Arctic Economic Council.


The impact of the 'mega-ships' on small arctic communities is also becoming a concern.
Svalbard - an archipelago midway between Europe's northernmost point and the North Pole - is experiencing a tourism boom, with the number of overnight stays by visitors rising 14 percent in July year-on-year to 18,000.

Svalbard archipelago (formerly known by its Dutch name Spitsberg)
nautical chart : NHS Norway

"I stay home when the cruise ship tourists come. Too many people at the same time. It is really stressful," said Fredric Froeberg, 37, a Swedish guide who runs excursions on snow scooters and boats from Longyearbyen, Svalbard's main settlement, with around 2,160 inhabitants.
"This place should not become too big. Otherwise it will become overexploited, like so many other places around the world. What is fantastic here is the nature."

Links :

Monday, October 10, 2016

Brazil DHN update in the GeoGarage platform

2 nautical raster charts added & 56 added
see News

The place furthest from land is known as Point Nemo

 Wanna find Point Nemo? Look here
© zooom.at / Matea Zlatkovic

From BBC by Ella Davies

Where do you go to get away from it all?
When the stress of everyday life pushes you to search for the most remote point on Earth, you might be surprised to learn there are actually a few to choose from.
But if you have decent sea legs, nothing beats the furthest point from land, also known as the "oceanic pole of inaccessibility".

Since its official title is a bit of a mouthful, it has been nicknamed Point Nemo, after author Jules Verne's famous seafaring anti-hero Captain Nemo.
The name means "no-one" in Latin which is fitting for a place so rarely visited by man.
Point Nemo is located over 1,000 miles (1,600km) equidistantly from the coasts of three far-flung islands. Ducie Island (one of the Pitcairn islands) is to the north, Motu Nui (of the Easter Island chain) is to the north-east and Maher Island (off the coast of Antarctica) is to the south.
It is a rather peculiar place.

Experts had long discussed the geographical conundrum of finding the middle of the ocean, but it took modern technology to provide a full solution.
The oceanic pole of inaccessibility was officially discovered in 1992 by survey engineer Hrvoje Lukatela.
Instead of launching an expedition, Lukatela stayed on dry land and calculated the point's location using specialist computer software.
Rather than simply putting a pin in a flat projection of the Earth, the software incorporated the planet's ellipsoid shape for maximum accuracy.
It seems unlikely that the point will move significantly within the foreseeable future.
"The location of three equilateral points is quite unique, and there are no other points on the Earth's surface that could conceivably replace any one of those," says Lukatela.
It is possible that better measurements, or coastal erosion, would shift the location of Point Nemo, "but only in the order of metres".
Point Nemo is so far from land, the nearest humans are often astronauts.
The International Space Station orbits the Earth at a maximum of 258 miles (416km).
Meanwhile the nearest inhabited landmass to Point Nemo is over 1,670 miles (2,700km) away.

 The Mir space station, before it crashed into the Pacific (Credit: NASA Photo/Alamy)

In fact the whole region around Point Nemo is well known to space agencies.
The area is officially known to space agencies as the "South Pacific Ocean Uninhabited Area". In particular, the Russian, European and Japanese space agencies have long used it as a dumping ground, because it is the point on the planet with the fewest human inhabitants and the quietest shipping routes.
Over a hundred decommissioned spacecraft are thought to now occupy this "spacecraft cemetery", from satellites and cargo ships to the defunct space station Mir.

Rather than single monuments to the history of space travel, the remains are spread across the ocean floor in bits, says space archaeologist Alice Gorman of Flinders University in Adelaide, Australia.
"Spacecraft do not survive atmospheric re-entry whole," says Gorman. "Most of them burn up in the fierce heat. The most common components to survive are fuel tanks and pressure vehicles, which are part of the fuel system. These are generally made of titanium alloys or stainless steel, often encased in complex carbon fibres, which are resistant to high temperatures."
While smaller fragments burn up in the atmosphere, leaving nothing but an impressive light show, Gorman says the larger parts of the 143-tonne Mir were reputed to have washed up on Fijian beaches, while the rest sank to the ocean depths.
"Like shipwrecks, they create habitats that will be colonised by anything and everything that lives at that depth," says Gorman.
"Unless there is residual fuel that leaks out, there should not be a hazard to aquatic life."
Rumours have long swirled about what might live at Point Nemo.

Artist's impression of Cthulhu. It is best not to look
(Credit: Geo Images/Alamy)

Despite writing 66 years before its discovery, science fiction author HP Lovecraft chose a site eerily close to the oceanic pole of inaccessibility for R'lyeh, the home of his legendary tentacle-faced creature Cthulhu.
In 1997, oceanographers recorded a mysterious noise less than 1,240 miles (2,000km) east of Point Nemo.
This led to a great deal of excitement, and a fair bit of trepidation.
The sound, dubbed "the Bloop", was louder than even a blue whale – leading to speculation that it was made by some unknown sea monster.
However, the Bloop has since been confirmed to be the sound of ice by the U.S. National Oceanic and Atmospheric Administration.
When large icebergs crack and fracture, they generate powerful, ultra-low-frequency sounds. Subsequent recordings of known icequakes have shared similarities with the Bloop.

So if Point Nemo is not really home to an octopus-man-dragon, what exactly does live there? According to oceanographer Steven D'Hondt of the University of Rhode Island in Narragansett, possibly not much.
This is because the oceanic point of inaccessibility sits within the South Pacific Gyre. This is a massive rotating ocean current: bound east and west by the continents of South America and Australia, north by the equator, and south by the strong Antarctic Circumpolar Current.

 no more info the Google Maps today....
(2014 printscreen)

The waters within the gyre are stable, with a surface temperature of 5.8C (42F) at Point Nemo according to data from NASA satellites.
The rotating current blocks cooler, nutrient-rich water from coming in.
What's more, because the region is so isolated from land masses, the wind does not carry much organic matter.
As a result, there is little to feed anything.
With no material falling from above as "marine snow", the seafloor is also lifeless.
D'Hondt describes it as "the least biologically active region of the world ocean."
Still, there are a few exceptional points where unique creatures can survive.

Point Nemo is near the southern end of the East Pacific Rise, a submarine line of volcanic activity that stretches up to the Gulf of California.
It marks the boundary of the Pacific and Nazca tectonic plates, which are gradually moving apart. Magma wells up in the gap between the plates, creating hydrothermal vents that blast out hot water and minerals.

It is an extreme environment, but bacteria thrive here, gaining their energy from chemicals released by the eruptions. In turn, the bacteria sustain larger creatures.
These include the "yeti crab", which was first observed in 2005 and named for its hairy appearance.
There is still much to be discovered in these depths, but its remoteness makes Point Nemo an expensive and challenging destination for research.
Apart from the occasional round-the-world yacht race, there are hardly any visitors.
That means it is unlikely to pop up on your social media, so you have to use your imagination to picture it.
"On a calm day, the sea surface in the heart of the South Pacific Gyre is simply beautiful – clear cornflower blue, with a violet tone – because it contains so little particulate matter and so little living material," says D'Hondt.
Or it would be, if it were not for littering.

When the virtual band Gorillaz released their 2010 album Plastic Beach, they created a fictional backstory: supposedly the music had been recorded at a recording studio built on marine debris at Point Nemo.
This is not as entirely far-fetched as it might sound. A study published in 2013 confirmed that there is a garbage patch within the South Pacific Gyre.
The biggest accumulation of waste was at the centre, around 1,550 miles (2,500km) north-east of Point Nemo.
The garbage is mainly plastic waste like polystyrene, film, fishing line, fragments and pellets washed from ships and coastlines.
The rotating current traps the trash, breaking it down into tiny pieces.
Biologists believe the rubbish could could throw the ecosystem out of balance by helping some species proliferate while others suffer.
Even in the most remote spot on the planet, it seems there is no escaping humanity's wasteful habits.

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