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originally posted by: ladyvalkyrie
Man, I'm in Texas. THIS morning was the first time it's been chilly enough for jackets and now (3:30p) it's 90 degrees. It is the end of November and the temperature has stayed above 100 degrees until this point.
Global warming sucks.
originally posted by: TiredofControlFreaks
a reply to: alphabetaone
When people say climate is changing, my first question is: does this change represent something abnormal or is it just a longer cycle that can be seen by just one generation
This is the historical temperature data for 1950 in Alaska
This is the current temperature for Fairbanks Alaska:
I noticed that the original poster article reported only the temperature anomaly and not the actual temperature This is a sure sign that you are reading propaganda
The temperature in Fairbanks Alaska in 1950 was 8 degrees C. Today it is -20 degrees celcius
I know that this is not Arctic temperatures, however, I wanted to show how wide the range of "normal" really is. We have an almost 28 degree range over a period of 66 years in Fairbanks Alaska.
Nobody was screaming and wringing their hands over "global warming" in the 1950s and if they did, please remember that the pundits were wringing their hands over a coming "ice age" by the 1970s.
originally posted by: Krazysh0t
a reply to: Riffrafter
Can't keep saying that Climate Change is a hoax. Reality is starting to catch up with the deniers.
NASA-Funded Mission Studies the Sun in Soft X-Rays
The soft X-ray detector flew first on June 23, 2012, and again on October 21, 2013.
During both flights, there were only a few complex active regions on the sun's surface – indeed, very few during the 2012 flight. Yet, in both flights the detector saw 1000 times more soft X-rays than had been seen by another experiment in 2009. Even a slight extra amount of solar activity in the form of these active regions, led to substantially more output in the soft X-ray wavelengths.
Wavelengths of light correlate to particular temperatures of material on the sun, and this abundance of soft X-rays points to clouds of hot – 5 to 10 million degrees – gases above the active regions that wasn't present during the 2009 measurements when there were no active regions on the sun. That kind of information makes it clear that different heating mechanisms occur on the quiet sun and active regions, opening the door to determining the differences. One theory for the source of this mysterious heating is that numerous tiny explosions called nanoflares are constantly erupting on the sun. Nanoflares are too small to be seen by our telescopes, but powerfully energetic nonetheless. The soft X-rays might well be a result of nanoflares, thus giving us a way of investigating them.
The new soft X-ray data differed from previous data studies in another respect as well. By parsing out the amounts of each individual wavelength of light gathered, the team could identify what elements were present in the corona. Typically, the abundance of some of these atoms in the corona is greater than at the sun's surface. But not so in these recent observations. The mix of material in the corona was more similar to the mix seen at the solar surface, suggesting that some material from the surface was somehow rising up higher into the atmosphere.
"The difference we see in the abundances of the elements compared to previous studies suggest there may be a link between the heating mechanism and the coronal composition," said Caspi.
Untangling the elements present on the sun's surface and in its atmosphere during different events on the sun could offer another set of tools for interpreting what heats the corona.
Discovering that the soft X-ray emission was brighter than supposed has effects for understanding space weather events near Earth as well. Different wavelengths of light from the sun penetrate to different layers of Earth's atmosphere, causing different effects.
"The solar soft X-rays are deposited lower in Earth's atmosphere than the sun's extreme ultraviolet radiation," says Tom Woods, a co-author on the paper and the principal investigator for this experiment at the University of Colorado in Boulder. "The soft X-rays cause almost instantaneous changes in the ionosphere that can disturb radio communications and the accuracy of GPS navigation systems."
Such changes in the ionosphere happen during large explosions on the sun called solar flares. As humans attempt to better understand – and predict – the sun's effects on the space through which our communication signals travel, it's crucial that we have accurate models to simulate what the sun is sending our way and when.
X-rays that don't come from any known source
NASA-funded sounding rocket solves one cosmic mystery, reveals another
September 26, 2016
Space is filled with types of light we can't see -- from infrared signals released by hot stars and galaxies, to the cosmic microwave background. Some of this invisible light that fills space takes the form of X-rays, the source of which has been hotly contended over the past few decades. A new study confirms some ideas about where these X-rays come from, shedding light on our solar neighborhood's early history. But it also reveals a new mystery -- an entire group of X-rays that don't come from any known source.
However, DXL also measured some high-energy X-rays that couldn't possibly come from the solar wind or the Local Hot Bubble.
"At higher energies, these sources contribute less than a quarter of the X-ray emission," said Youaraj Uprety, lead author on the study and an astrophysicist at University of Miami at the time the research was conducted. "So there's an unknown source of X-rays in this energy range."
originally posted by: worldstarcountry
well, if all the ice already melted, and we all still don't have a beach in our backyard, maybe it was all hype???
The new study, accepted for publication in the Quarterly Journal of the Royal Meteorological Society, suggests one of the reasons for the apparent slowdown in warming might lie in the fact that the Arctic, which has been warming much, much faster than the rest of the world, is under-represented in the HadCRUT4 temperature series. In order to figure this out, the researchers found a clever way to take satellite observations, which measure temperature all over the Earth, including the poles, and put them into the global surface temperature data set in places where it lacked good coverage. "The satellite data gives us a sort of geographical distribution of temperatures. It's got very good coverage, just a tiny little hole at each pole," Cowtan said.
originally posted by: TiredofControlFreaks
What I get from this article is that the Arctic is warming more than the rest of the world, which makes the warming a regional artifact and not a global one!
Tired of Control Freaks
"People have ignored seafloor volcanoes on the idea that their influence is small -- but that's because they are assumed to be in a steady state, which they're not," said the study's author, marine geophysicist Maya Tolstoy of Columbia University's Lamont-Doherty Earth Observatory. "They respond to both very large forces, and to very small ones, and that tells us that we need to look at them much more closely." A related study by a separate team this week in the journal Science bolsters Tolstoy's case by showing similar long-term patterns of submarine volcanism in an Antarctic region Tolstoy did not study.
Volcanically active mid-ocean ridges crisscross earth's seafloors like stitching on a baseball, stretching some 37,000 miles. They are the growing edges of giant tectonic plates; as lavas push out, they form new areas of seafloor, which comprise some 80 percent of the planet's crust.