There are 5.1 × 10 ^ 8
square kilometer on earth.
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.
This year, sea ice extent in the Arctic was the sixth lowest on record, at 5 million
square kilometers on 17 September.
Not exact matches
The project will cover 50 islands and 34,000
square kilometers — an area bigger than Belgium — between the cities of Umluj and Al Wajh to attract «luxury travelers from around the globe,» according to an official statement sent to Bloomberg
on Tuesday.
The most populous nation
on earth instated the ban in 2000 for fear of corrupting its youth, but will now allow for distribution of consoles in the Shanghai Free Trade Zone — a 29 -
square -
kilometer testing ground for new economic reforms established last year.
The Alberta government has leased almost 100,000
square kilometers of the oil sands deposit, so the potential certainly exists for an industrial project
on the scale of England, if a little smaller.
The solution may be to impose limits
on pumping aquifer water — particularly in the case of northwestern India, which uses it to fill seasonal rice paddies covering some 38,000
square kilometers.
We don't want brain and data drain from Africa to the U.S.» The biggest game - changer
on the continent will be the
Square Kilometer Array (SKA), the world's largest network of radio telescopes designed to survey the sky faster than any instrument before it.
Using echosounders installed
on the hull of the National Oceanic and Atmospheric Administration (NOAA) ship Nancy Foster, the science team mapped canyons and shelf regions at high resolution over more than 380
square miles (1,000
square kilometers) of seafloor from south of Cape Hatteras to Baltimore Canyon, which runs from offshore North Carolina to the eastern tip of Long Island.
The researchers looked at annual maximum land surface temperatures averaged across 8 - day periods throughout the year for every 1 -
square kilometer (247 acres) pixel
on Earth.
A peak microplastics concentration was measured at Rees
on the Nederhijn, where 3.9 million plastic items per
square kilometer (or 21,839 particles per 1000 cubic meters) were found in a single water sample.
As far as archaeologists can tell, people here were loosely connected culturally to Scandinavia and lived with their extended families
on individual farmsteads, with a population density of fewer than five people per
square kilometer.
Five years ago
on December 22, that pond burst its walls, drowning more than a
square kilometer of land and killing portions of the Emory and Clinch rivers.
The 2010 figure — 6,498
square kilometers — raised hopes that Brazil would fulfill the pledge in its 2009 National Law
on Climate Change to reduce Amazon rainforest destruction 80 percent by 2020.
Cerro Hoya National Park is an isolated tropical forest remnant (325
square kilometers, 125
square miles)
on Panama's Pacific coast, whereas Darién National Park is Panama's most extensive park (5,790
square kilometers, 2235
square miles) in the area between Panama and Colombia, the only gap in the Pan-American highway from Alaska to Chile.
Covering an area of approximately 8,500
square miles (22,000
square kilometers), Botswana's Okavango Delta is one end of the second - longest zebra migration
on Earth, a 360 - mile (580 -
kilometer) round trip to the Makgadikgadi Salt Pans — the largest salt pan system
on the planet.
Before the first reintroduction, in 2000
on a 989 -
square -
kilometer island off Estonia called Hiiumaa, hunters and a trapper killed the island's entire American mink population, the legacy of a defunct fur farm.
So Dial and colleagues added either extra water or nutrient - rich fertilizer to different patches of snow
on Harding Icefield, a 1,900 -
square -
kilometer frozen expanse in southern Alaska.
The largest single - day ozone hole ever recorded by satellite was 29.9 million
square kilometers (11.5 million
square miles)
on Sept. 9, 2000.
In comparison, last year the ozone hole peaked at 24.1 million
square kilometers (9.3 million
square miles)
on Sept. 11, 2014.
Total sea ice cover
on the Arctic Ocean peaked
on March 7, satellite observations show, reaching a total area of 14.42 million
square kilometers.
The bay is crucial to knots and other shorebirds because its 600
square kilometers of mud and sand are filled with enough clams and mussels for the birds to feast
on for months, Morrison says.
This first - of - a-kind simulation also captured the impact of this ground movement
on buildings within a 100 -
square kilometer (km) radius of the rupture, as well as 30 km underground.
The record lowest extent in the 37 - year satellite record occurred
on September 17, 2012 when sea ice extent fell to 3.39 million
square kilometers (1.31 million
square miles).
The 2014 minimum was 1.94 million
square miles (5.03 million
square kilometers), the seventh lowest
on record.
Lithium is found in many places
on the planet, but among all of them no deposit is richer than the vast salt flats of Salar de Uyuni in Bolivia, covering more than 10,000
square kilometers of the remote high plains.
This year's maximum extent, reached
on March 7 at 5.57 million
square miles (14.42 million
square kilometers), is 37,000
square miles (97,00
square kilometers) below the previous record low, which occurred in 2015, and 471,000
square miles (1.22 million
square kilometers) smaller than the average maximum extent for 1981 - 2010.
The 2007 minimum occurred
on September 18 of that year, when Arctic sea ice extent stood at 4.15 million
square kilometers (1.60 million
square miles).
On average, the Arctic lost 34,100
square kilometers (13,200
square miles) per day compared to the 1981 to 2010 long - term average of 21,000
square kilometers (8,100
square miles) per day.
On 18 May, NOAA shut down fisheries in a 118,000 -
square -
kilometer area in the gulf.
With such ideal conditions, the group dissolved seven metric tons of iron sulfate in acidic seawater and spewed the solution into the ship's propeller wash starting
on February 13, 2004, covering a circular patch in the eddy of some 167
square kilometers.
Over protests from conservation and citizen groups,
on August 14 the BLM auctioned off energy leases for all of the remaining public land
on the Roan encompassing 54,631 acres (221
square kilometers).
They live exclusively in a 25
square kilometer area atop the Wolf Volcano
on Isabela Island.
Earlier this month —
on 17 March — the extent of Arctic sea ice peaked at nearly 15 million
square kilometers, covering an area roughly twice the size of Australia.
Ten European species, including five
on Sardinia in Italy, each live in an area smaller than 5000
square kilometers, and a species named Calotriton arnoldi makes its home in less than 10
square kilometers in a Spanish nature park.
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.
Between March 2008 and September 2009, the researchers caught nine pumas living in a 1100 -
square -
kilometer region in southern Chile and strapped GPS - equipped radio collars
on them.
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.
But during the 6 weeks the researchers spent
on the Gould documenting the interaction between humpbacks and krill in Wilhelmina Bay and nearby waters, they counted 306 humpbacks parked
on the huge krill swarm, and a total of 500 throughout the unusually ice - free bay at the record - setting density of 5.1 whales per
square kilometer.
With low lion numbers and large herds of impala, the Northern Tuli Game Reserve, a 280
square mile (720
square kilometer) chunk of land nestled between Zimbabwe and South Africa
on the Limpopo and Shashe rivers is also the perfect plot of land to support its own pack.
For most of May Chris Darimont, an environmental scientist at the University of California, Santa Cruz, poured liters of fermented cattle blood mixed with pureed rotten fish guts
on 3,000
square kilometers of British Columbia's coastal wilderness.
After all, the roughly 1,200
square kilometers of land
on which New York sits is now valued at around $ 600 billion, much more than the total cost of building the Big Apple.
To quantify spatio - temporal patterns of reef use for three species of shark, the authors of this study analyzed data from acoustic transmitters placed
on 18 sharks — 6 lemon sharks, 10 tiger sharks, and 2 Caribbean reef sharks — that were tracked with acoustic receivers covering an area of more than 1,000
square kilometers near the island of St. Thomas.
So instead, researchers relied
on natural vibrations: They listened for seismic waves from the gurgling and popping of water and steam percolating through the ground near Old Faithful, using 133 seismographs spread across a
square kilometer.
Although this is the 12th biggest nation (based
on surface area), Greenland averages the fewest people per
square kilometer of its surface area.
While most of this deforestation occurred in South America, Southeast Asia and sub-Saharan Africa and the majority of agricultural products causing deforestation were consumed in the countries of origin, goods consumed in the EU contributed to approximately 90,000
square kilometers of lost forestland — about 7 % of the global deforestation resulting from agricultural expansion during this period, and up to 10 % if all finally processed products and all consumption sectors — such as textiles, pharmaceuticals, and service sectors — are added
on.
The highest prediction of 6.0 million
square kilometers is based
on a dynamical model forecast using the US Navy Earth System Model (NESM), whereas the lowest prediction of 3.4 million
square kilometers comes from a heuristic contribution.
Above the energy of 1018 eV, only one particle each week falls
on an area of one
square kilometer.
The municipality covers an area of 2,914.3
square kilometers, and was created by the Northern Territory government
on 6 September 1985.
On April 29, 1903, 74 million tons of limestone slid from the top of Turtle Mountain and blanketed nearly three -
square kilometers of the valley floor.