The overall width of the distribution of Outlooks has narrowed compared to last year: the interquartile spread across all types of contributions is 0.53 million square kilometers, which is a decrease of 0.27 million square
kilometers since last year.
Switzerland's Great Aletsch glacier, the largest in the Alps, has retreated by more than 2
kilometers since 1900.
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«First signs of healing in the Antarctic ozone layer: September ozone hole has shrunk by 4 million square
kilometers since 2000.»
Foresters strongly favored planting more commercially valuable coniferous trees — such as Scots pines, Norway spruce and beech — resulting in the reforestation of 633,000 square kilometers of conifers at the expense of broadleaved forests, which decreased by 436,000 square
kilometers since 1850.
Low - oxygen zones where large ocean species can not live have increased by close to 5.2 million square
kilometers since the 1960s, the team found.
«Throughout the region, they have retreated by close to
a kilometer since the last ice age, and are predicted to disappear in the next one to three decades.
Not exact matches
The Public Service Commission approved TransCanada Corp.'s project on a three - to - two vote, removing one of the last hurdles to the Calgary - based company's construction of the $ 8 billion, 1,179 - mile (1,897 -
kilometer) conduit, which has been on its drawing boards
since 2008.
«
Since the impact presented no technical problems for the health and safety of the instrument, the team is only now announcing this event as a fascinating example of how engineering data can be used, in ways not previously anticipated, to understand what is happing to the spacecraft over 236,000 miles (380,000
kilometers) from the Earth,» said John Keller, LRO project scientist from NASA's Goddard Space Flight Center in Greenbelt, Maryland.
The city also has coated 0.62 square
kilometers of roof surfaces white
since 2009.
In a review article recently published online in the journal Nature, researchers arrived at a new estimate for total usable global offshore groundwater: 500,000 cubic
kilometers — a quantity 100 times greater than the amount of water extracted from land aquifers
since 1900, the study states.
For about 10
kilometers, the river passes through the Hobet 21 surface mining complex, which has been active
since the 1970s and is among the largest in the Appalachian coalfields.
Using satellites, ground - based instruments, and ozone - measuring weather balloons, they showed that
since 2000, the September hole shrunk by 4 million square
kilometers — an area bigger than India.
Even with a generous assumption that all Himalayan glacial melting
since 1962 (roughly 13.4 cubic
kilometers per year) was concentrated in the 150 -
kilometer stretch of land closest to the study zone rather than spread across the entirety of the Himalayas, the scientists could explain, at most, 15 percent of the water loss in northwestern India.
An international team of scientists have been pouring over data streaming back from the Venus Express
since April 2006 when it began surveying Venus, which at its minimum distance is around 25 million miles (40 million
kilometers) from Earth.
Since the neutron star propagates with an estimated speed of at least 350
kilometers per second, the asymmetry in the spatial distribution of the radioactive elements is expected to be very pronounced.
Remote dams around the world already deliver hydropower via HVDC lines, including a 1,480 -
kilometer (920 - mile) link that has carried energy from James Bay in northern Quebec to New England
since 1990.
And costing just $ 11,000 for each
kilometer of stream, artificial dam reinforcements are much cheaper than conventional restoration methods —
since the beavers do most of the work for us.
This iceberg, named UK211, had survived for three years
since calving off the Larsen C ice shelf 385
kilometers south, but now it was drifting into warm climates north of the peninsula.
Since they are phenomenally dense and massive, yet comparatively small — a mere 20 - 25
kilometers across — some pulsars are able to maintain their rate of spin with a consistency that rivals the best atomic clocks on Earth.
But
since its landing, close to 3 years ago, Curiosity has covered less then 11
kilometers of martian terrain.
Since 2003 the GRACE satellites had measured ice loss through variations in the earth's gravitation but only at the fuzzy resolution of hundreds of
kilometers.
Since launching in 2007, Dawn has already visited Vesta, a giant protoplanet currently located 104 million miles (168 million
kilometers) away from Ceres.
The hexagon, known
since the 1980s, is about 30,000
kilometers wide with a massive hurricane centered on the north pole (SN: 1/11/14, p. 10).
Since then, the area has experienced a series of problems, including dozens of landslides along one 20 - mile (32 -
kilometer) stretch of riverbank.
Since then the paiche has spread across more than 340 square
kilometers, roughly a quarter of the Bolivian Amazon.
Since then, the region has risen about 2
kilometers, leading to some head scratching at geology conferences.
Since that year the minimum ice cover has declined rapidly, dwindling to an all - time record low of 3.4 million square
kilometers on September 16, 2012.
The team found that the September ozone hole has shrunk by more than 4 million square
kilometers — about half the area of the contiguous United States —
since 2000, when ozone depletion was at its peak.
Since that discovery hundreds of large objects, most more than 100
kilometers in diameter, have been spotted in the Kuiper Belt, including some of the roughly Pluto - size bodies that spurred a redefinition of the word «planet» and relegated Pluto to dwarf status.
The Superconducting Super Collider (SSC), a planned 87 -
kilometer ring in Texas, would have crashed protons together at higher energies than any accelerator before or
since, dwarfing even the current Large Hadron Collider at CERN, where the Higgs boson was discovered.
Satellites from NASA and other agencies have been tracking sea ice changes
since 1979, and the data show that Arctic sea ice has been shrinking at an average rate of about 20,500 square miles (53,100 square
kilometers) per year over the 1979 - 2015 period.
Since bursting to life 1,000
kilometers south of Tokyo in 2013, a massive marine volcano called Nishinoshima has erupted dozens of times, spewing red - hot lava that engulfed a neighboring island.
Nestled in a steep fjord beneath three
kilometers of Antarctic ice, the lost world of Lake Ellsworth has haunted Martin Siegert's dreams ever
since he got involved in subglacial research a dozen years ago.
Since 2001, the ISA has granted 26 mining exploration contracts covering more than one million square
kilometers of seabed, with 18 of these contracts granted in the last four years.
Since then, they've learned that about 100,000 spicules constantly dot the sun, rifling more than 5000
kilometers high within a few minutes.
Since 2009, the Peregrine Fund has translocated 104 nestlings from the species» stronghold in a national park to a protected resort area called Punta Cana 130
kilometers away.
Since the discovery, researchers have found 91 other Tahina palms, along with 50 seedlings, all within a quarter -
kilometer stretch of the island.
Antarctic sea ice extent reached a record high this year on 22 September, topping 20 million square
kilometers for the first time
since 1979, according to the National Snow and Ice Data Center.
It will be exactly 30 years tomorrow
since the nation's worst commercial nuclear accident occurred on a three - mile (five
kilometer) slip of land in the Susquehanna River in the shadow of Harrisburg, Pa..
Since Polynesia had been settled by voyagers crossing thousands of kilometers of ocean, we thought a two - kilometer journey by outrigger canoe would be a modest homage to those intrepid explorers, particularly since we were assured that such canoes are unsink
Since Polynesia had been settled by voyagers crossing thousands of
kilometers of ocean, we thought a two -
kilometer journey by outrigger canoe would be a modest homage to those intrepid explorers, particularly
since we were assured that such canoes are unsink
since we were assured that such canoes are unsinkable.
A: The National Snow and Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square
kilometers, which also set a record for the highest extent of sea ice around the continent
since satellite measurements began in the late 1970s.
Researchers don't know the route she took to reach the Grand Canyon, but she likely traveled more than 700
kilometers on that journey — becoming the first wolf in northern Arizona
since the animals were exterminated there 70 years ago.
Since 1994, a more than 26 - mile -(42 -
kilometer --RRB- long tunnel has been keeping Milwaukee's sewage from spilling into Lake Michigan.
As wind and rain erode the mountain range, massive rivers carry more than a billion tons of sediment into the Bay of Bengal each year; in some places, the layer deposited
since the most recent ice age is more than one
kilometer thick.
Edinburgh - based Pelamis Wave Power, Ltd., (PWP) has
since September been working with asset management firm Babcock & Brown, energy provider Energias de Portugal, and Efacec (a Portugese maker of electromechanical devices) on the Agucadoura project, which has three red Pelamis wave energy converts bobbing in the waves three miles (4.8
kilometers) off Portugal's coast.
This New York State — based environmental research organization
since 2004 has studied wildlife in and on the banks of the Hudson River as well as the toll development has taken on the 315 - mile (500 -
Kilometer) waterway, which runs south from the Adirondacks to the Atlantic Ocean.
A new study of the Jones earthquake swarm, occurring near Oklahoma City
since 2008, demonstrates that a small cluster of high - volume injection wells triggered earthquakes tens of
kilometers away.
Maria's eye assaulted the town of Yabucoa, Puerto Rico, on Wednesday with maximum sustained winds of nearly 250
kilometers per hour (155 miles per hour)-- the high end of category 4 — making it the strongest storm to hit the island
since the San Ciprian Hurricane of 1932.
Capping a decadeslong custody battle, an aboriginal funeral service hearse set off on 14 November from the Australian National University in Canberra — where the remains were kept
since their discovery — on a 700 -
kilometer drive across the outback to Willandra Lakes.