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Showing posts with label planet. Show all posts
Showing posts with label planet. Show all posts

Monday, March 3, 2014

Another intending to rainwater: Top worst weather places on the planet

Ever wondered what places on the planet feel the worst weather? Erectile dysfunction Darack has. His article, "The Ten Worst Weather Places on the planet,Inch featured within this month's problem of Weatherwise magazineattempts to title the very best ten places on the planet that constantly feel the most extreme weather. Inverting our passion for "the grass is definitely eco-friendly" lists, (best beaches, places to reside, vacation, etc.), Darack looks into the very best ten places on the planet using the worst weather.

Darack defines "bad" weather, exactly what a "place" includes, and also the research into the conditions themselves. However, because of the possible lack of comprehensive global meteorological research, mainly in the toughest environments in which the risk to human existence is important, Darack depends on the accessible data as well as an effort to become objective.

Oymyakon, Republic of Sakha, Russian Siberia ranks number ten out there. It's been recorded, however with dispute, that Oymyakon has arrived at the cheapest temperature of Earth outdoors of Antarctica and also the very coldest permanently lived on place at -89.9?F. Normally, it drops to -50?F every evening. Also, it is among the places in the world using the finest annual swing rising to 86?F throughout the summer time.

Number six out there is Gandom-e Beryan, Dasht-e Lut, Iran, which is renowned for the most popular land surface temperature ever recorded. Using data from NASA's Earth Watching System's Aqua satellite, calculating your skin temperature from the planet, Gandom-e Beryan arrived at an astounding 159.3?F during the period of 2003-2009.

Next we go to the entire shoreline of Antarctica, which stands at number 3, less for that temperature, although very freezing, for the storms. The driest region meeting the earth's most tumultuous sea, the Southern Sea, leads to almost constant storms racing round the region. Additionally, extreme katabatic wind is another factor. At Cape Dension in Commonwealth Bay in 1995 a wind speed of 129mph was measured. The greatest wind speed ever recorded in Antarctica was 199mph.

Discover which other areas made their email list by being able to access "The Ten Worst Weather Places on the planetInch free before the finish of December 2013: http://world wide web.weatherwise.org/Archives/Back%20Issues/2013/November-December%202013/10_worst_full.html

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The above mentioned story is dependant on materials supplied by Taylor

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Friday, February 21, 2014

Landsat 8 helps unveil the very coldest place on the planet

Researchers lately recorded the cheapest temps on the planet in a desolate and remote ice plateau in East Antarctica, trumping an archive occur 1983 and discovering a brand new puzzle concerning the ice-covered region.

Ted Scambos, lead researcher in the National Ice and snow Data Center (NSIDC), and the team found temps from -92 to -94 levels Celsius (-134 to -137 levels Fahrenheit) inside a 1,000-kilometer lengthy swath around the greatest portion of the East Antarctic ice divide.

The dimensions were created between 2003 and 2013 through the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor aboard NASA's Aqua satellite and throughout the 2013 Southern Hemisphere winter by Landsat 8, a brand new satellite released early this season by NASA and also the U.S. Geological Survey.

"I have never experienced problems that cold and that i hope Irrrve never am," Scambos stated. "I'm told that each breath is painful and you need to be very careful to not freeze a part of your throat or lung area when breathing in."

The record temps are some levels cooler compared to previous record of -89.2 levels Celsius (-128.6 levels Fahrenheit) measured on This summer 21, 1983 in the Vostok Research Station in East Antarctica. They're far cooler compared to cheapest recorded temperature within the U . s . States, measured at -62 levels Celsius (-79.6 levels Fahrenheit) in Alaska, in northern Asia at -68 levels Celsius (-90.4 levels Fahrenheit), or perhaps in the summit from the Greenland Ice Sheet at -75 levels Celsius (-103 levels Fahrenheit).

Scambos stated the record temps put together in a number of 5 by 10 kilometer (3 by 6 mile) pockets in which the topography forms small hollows of the couple of meters deep (two to four meters, or 6 to 13 ft). These hollows can be found near the ice ridge that runs between Dome Argus and Dome Fuji -- the ice dome summits from the East Antarctic Ice Sheet. Antarctic bases take a seat on each one of the sites and tend to be not occupied throughout Antarctic winters.

Under obvious winter skies during these areas, cold air forms close to the snow surface. Since the cold air is denser compared to air above it, it starts to maneuver downhill. The environment collects within the nearby hollows and chills even more, if the weather is favorable.

"The record-breaking conditions appear to occur whenever a wind pattern or perhaps an atmospheric pressure gradient attempts to slowly move the air back uphill, pushing from the air which was sliding lower," Scambos stated. "This enables the environment within the low hollows to stay there longer and awesome even more underneath the obvious, very dry sky conditions," Scambos stated. "Once the cold air remains during these pockets it reaches ultra-low temps."

"Any garden enthusiast recognizes that obvious skies and dry air in spring or winter result in the very coldest temps during the night," Scambos stated. "The truth is, within the U . s . States and many of Canada, we do not obtain a evening that lasts 3 or 4 or six several weeks lengthy for items to really chill here extended obvious sky conditions."

Centuries-old ice cracks

Scambos and the team spotted the record low temps while focusing on an associated study unusual cracks on East Antarctica's ice surface he suspects are some century old.

"The cracks are most likely thermal cracks -- the temperature will get so lower in winter the upper layer from the snow really reduces to the stage the surface cracks to be able to accommodate the cold and also the decrease in volume," Scambos stated. "That brought us to question exactly what the temperature range was. So, we began looking for the very coldest places using data from three satellite sensors."

Greater than 3 decades of information in the Advanced High Resolution Radiometer (AVHRR) around the NOAA Polar Revolving about Environment Satellite (POES) series gave Scambos a great perspective on which the pattern of low temps appeared as if across Antarctica.

"Landsat 8 continues to be a brand new sensor, but preliminary work shows being able to map the cold pockets at length," Scambos stated. "It's showing how even small hummocks stick up with the cold air."

Scambos suspected they'd locate one area that got very cold. Rather they found a sizable strip at thin air where several spots regularly achieve record low temps. In addition, a large number of these very cold areas arrived at comparable minimum temps of -92 to -94 levels Celsius (-134 to -137 levels Fahrenheit) of all years.

"This really is like stating that around the very coldest day of the season an entire strip of land from Worldwide Falls, Minnesota to Duluth, Minnesota to Great Falls, Montana arrived at the identical temperature, and most once," Scambos stated. "And that is just a little odd."

An actual limit

The researchers suspect that the layer within the atmosphere over the ice plateau reaches a particular minimum temperature and it is stopping the ice plateau's surface from getting any cooler.

"There appears to become a physical limit to how cold it may enter this high plateau area and just how much warmth can escape," Scambos stated. Although an very cold place, Antarctica's surface radiates warmth or energy out into space, particularly when the climate is dry and free from clouds.

"The amount of co2, nitrogen oxide, traces water vapor along with other gases in mid-air may impose a pretty much uniform limit how much warmth can radiate in the surface," Scambos stated.

Scambos and the team continuously refine their map of Earth's very coldest places using Landsat 8 data. "It is a amazing satellite and we have frequently been impressed with how good it really works, not only for mapping temperature however for mapping crops and forests and glaciers around the globe,Inch Scambos stated.

"The ways to use Landsat 8 data are broad and various,Inch stated James Irons, Landsat 8 project researcher at NASA's Goddard Space Flight Center in Greenbelt, Md. "And Scambos' jobs are a good example of a few of the intriguing science that you can do using Landsat 8."

In the long run, Scambos and the team will attempt to create weather stations and assemble them in the region in which the record temps happen to read the data from Landsat 8 and MODIS. Presently, the majority of the automated weather stations nearby fail to work correctly within the dead of winter.

"The study bases there do not have people who stay with the winter to create temperature dimensions," Scambos stated. "We will have to investigate electronics that may survive individuals temps."

See the NASA animation The Very coldest World: http://world wide web.youtube.com/watch?v=Hp6wMUVb23c


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Monday, December 19, 2011

Analysis: Durban deal may do little to cool heating planet (Reuters)

DURBAN (Reuters) – The world is forecast to grow hotter, sea levels to rise, intense weather to wreak even more destruction and the new deal struck by governments in Durban to cut greenhouse gas emissions will do little to lessen that damage.

Climate data from U.N. agencies indicates that the accumulation of heat-trapping gases will rise to such levels over the next eight years - before the newly agreed regime of cuts in emissions is supposed to be in place - that the planet is on a collision course with permanent environmental change.

Countries around the globe agreed on Sunday to forge a new deal forcing all the biggest polluters for the first time to limit greenhouse gas emissions by 2020. But critics said the plan was too timid to slow global warming.

For a reduction plan to have a major impact, analysts say, the world's largest emitter, China, needs to be weaned from coal-intensive power sources that are choking the planet with carbon dioxide (CO2) and developed countries must spend heavily to change the mix of sources from which they draw their energy.

But they see little political will to implement these costly plans and argue that the U.N. process showed, in two weeks of talks in the South African city of Durban, that it is bloated, broken and largely incapable of effecting sweeping change.

"The challenge is that we begin the talks from the lowest common denominator of every party's aspirations," said Jennifer Haverkamp, director of the international climate program for Environmental Defense Fund, a U.S. group which campaigns against pollution.

"For this effort to be successful, countries need to be ambitious in their commitments and to refuse to use these negotiations as just another stalling tool," she said.

Domestic political constraints make it unlikely that pledges in Durban for more green projects in the developed world and stepped up aid for developing countries will come to fruition given problems for government funding in Europe, the United States and Japan.

PROTOCOL ON LIFE SUPPORT

In about 20 years of negotiations, the U.N. process has produced one binding deal on emissions cuts, the 1997 Kyoto Protocol. It is seen as a fading accord affecting a handful of developed states that now account for only 25 percent of global emissions, and was kept on life-support by the Durban deal.

The latest agreement extends limits on advanced countries that would otherwise expire next year. But it is widely seen as not doing nearly enough to make a dent in emissions.

The pact, known as the "Durban Platform," produced the promise of a new legally binding deal by 2020 and set out a road map to get there. The worry is that by the time any new provisions take effect, they will have been diluted in negotiation to the point of being meaningless, analysts said.

China, the United States and India, the world's three biggest emitters accounting now for about half of all global CO2 emissions, are not bound by Kyoto and would not be bound to any legally enforceable numbers until at least 2020.

The three have been accused by environmental lobby groups for years of blocking tough measures, and all three cite domestic priorities in their defense. The U.S. Senate needs a supermajority to approve global treaties and does not have a broad enough coalition to sign off on a global climate deal.

India and China said curbing their emissions would hurt their fast-growing economies and put hundreds of millions of their people at risk as they try to escape poverty.

RISK OF PERMANENT DAMAGE

But those calling for tighter curbs on emissions say that those populations are being put at greater risk by climate change: "The people of the world are the biggest losers because the governments are kowtowing more to the corporate interests than the interests of the people for more aggressive action," said Alden Meyer of the Union of Concerned Scientists.

Myer, a veteran of the U.N. climate talks, called for greater ambition on emissions cuts and financial support for industrial change and for "a more collaborative spirit than we saw in the Durban conference centre these past two weeks."

National envoys to the U.N. climate process and scientists who brief them see a need to limit the global average temperature rise to at least 2 degrees Celsius over pre-industrial times to prevent the most serious climate change. Environmental groups have said even that is not enough.

The United Nations Environment Programme said in a report last month that emissions were on track to grow above what is needed to limit global warming to the 2-degree mark, with analysts warning that delays in cuts for developed states and curbing the furious pace of emissions growth in major developing countries increasingly put the planet at risk.

Myer said: "We are on a path to 3-3.5 degree Celsius increase if we don't make aggressive cuts by 2020.

"And there is nothing to suggest this deal will alter that."

As temperatures rise, so does the damage, which includes crop failures, increasing ocean acidity that would wipe out species and rising sea levels that will erase island states, U.N. reports said.

The Organisation for Economic Cooperation and Development said global average temperatures could rise by 3-6 degrees by the end of the century if governments failed to contain emissions, bringing permanent destruction to ecosystems.

The International Federation of Red Cross and Red Crescent Societies, the world's largest disaster relief network, saw the Durban deal as a collective failure to stem the destruction caused by climate change on the world's most vulnerable people.

"It is frankly unacceptable we cannot all agree when so many lives are at stake," Bekele Geleta, the group's secretary general said in a statement.

Selwin Hart, chief negotiator for an alliance of small island states, took some heart, however, that at least there was agreement to keep on talking: "I would have wanted to get more, but at least we have something to work with," he said.

"All is not lost yet."

(Additional reporting by Nina Chestney, Barbara Lewis and Agnieszka Flak in Durban; Editing by Alastair Macdonald)


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