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Title: Update of Global Temperature Change from NASA
Source:
Accuweather
URL Source: http://www.accuweather.com/blogs/cl ... te-of-global-temperature-c.asp
Published: Dec 21, 2010
Author: accuweather
Post Date: 2010-12-21 14:33:41 by go65
Keywords: None
Views: 18320
Comments: 30
NASA's Goddard Institute for Space Studies just issued a summary update to their paper 'Global Surface Temperature Change', which was published in the Reviews of Geophysics. In the summary, which was led by Dr. James Hansen, a number of important points are made...... 1. Contrary to a popular misconception, the rate of warming has not declined, according to NASA. 2. Record high global 12-month running-mean temperature for the period with instrumental data was reached in 2010. The new record temperature in 2010 is particularly meaningful because it occurs when the recent minimum of solar irradiance is having its maximum cooling effect. 3. Satellite-observed nightlights are used to identify measurement stations located in extreme darkness and adjust temperature trends of urban and peri-urban stations for non-climatic factors, verifying that urban effects on analyzed global change are small. 4. Communication of the status of global warming to the public has always been hampered by weather variability. Lay people's perception tends to be strongly influenced by the latest local fluctuation. 5. Other obstacles to public communication include the media's difficulty in framing longterm problems as 'news', a preference for sensationalism, a generally low level of familiarity with basic science, and a preference for 'balance' in every story. 6. Polls indicate that the attacks on scientists have been effective in causing many members of the public to doubt the reality or seriousness of global warming. 7. Temperature data are too useful for scientific studies to be kept under wraps, so NASA GISS will continue to make the data available on a monthly basis. However, there is a practical disadvantage to this in that it allows any data flaws to be interpreted and misrepresented as machinations. 8. Main task is to describe ongoing global temperature change with as much clarity and insight as NASA GISS can. ------- Note: NASA GISS comments here about communication of this climate change science to the public are their opinion. The above images are courtesy of NASA GISS and authors J. Hansen, R. Ruedy, M. Sato and K. L
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#2. To: go65 (#0)
Australia’s white summer, Monbiot’s red fury http://wattsupwiththat.com/2010/12/20/australias-white-summer-monbiots-red-fury/ Snow and ice covering buildings and cars on December 19, 2010 at Mount Hotham,Victoria, as snow fell in Australia. The usual hot and summery December weather was replaced in parts by icy gusts sweeping up from the Southern Ocean, giving the country a taste of a white Christmas. Snow has fallen in parts of east coast states New South Wales and Victoria. Snow fell in Australia on Monday, as the usual hot and summery December weather was replaced in parts by icy gusts sweeping up from the Southern Ocean, giving the country a taste of a white Christmas. -- . The patterns of warm pockets of humanity with airports and GHCN stations repeat themselves all over the Arctic, because as anyone who has visited the Arctic knows, aviation is the lifeline of these remote communities. And where do they measure the weather data? At the airport of course. Aviation doesn’t work otherwise. See my complete report on the weird temperatures from Nuuk here. And while you are at it Geord, read my report about the weird temperatures from Svalbaard, another warm single data point from NASA GISS. Interestingly, at that station a local citizen did some science and proved the UHI effect at the airport. Yes these are just two examples. But there is no denying these facts: * Remote communities in the Arctic are islands of anthropogenic warmth * These communities rely of aviation as a lifeline * The weather is measured at these airports, it is required for safety * Airports release huge amounts of waste heat, from exhaust, de-icing, terminal buildings, and even tarmac in the sun. * The majority of GHCN weather stations (used by NASA GISS) in the Arctic are at airports. So, George, when using NASA GISS to prove to your readers that warm pocket weather patterns elsewhere cause cold in England: There is now strong evidence to suggest that the unusually cold winters of the last two years in the UK are the result of heating elsewhere. … The global temperature maps published by Nasa present a striking picture. … But on either side of these cool blue pools are raging fires of orange, red and maroon: the temperatures in western Greenland, northern Canada and Siberia were between 2C and 10C higher than usual. Remember Nuuk and Svalbarrd’s thermometers, and then ask Jim Hansen why NASA GISS, a “space studies agency”, doesn’t use satellite data but instead relies upon a surface record that another division of NASA says likely has significant UHI effects that NASA GISS doesn’t filter out sensibly (they only allow for 0.05°C downward adjustment).
Hey, who you going to believe? The global warming hoaxters, or your own lying eyes? (laughing)
The website does a very good job of illustrating that these rising Artic temperatures supposedly responsible for the cold weather everywhere else are really just the result of placing sensors on heat islands (airports e.g.)and then extrapolating these single data points out for hundreds of miles.
#5. To: no gnu taxes (#4)
I know. Like everything else that comes from the global warming bullshitters, the data is either corrupted by poor science, or deleted because it doesn't support the pre ordained conclusion desired, or just flat out fraud as we learned in the past couple of years. Meanwhile, we are having one of the coldest Decembers in the past three decades here in Southern Ohio....
another in a long line of false statements from you there padlock:
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#3. To: no gnu taxes (#2)
#4. To: Badeye (#3)
Replies to Comment # 4.
#8. To: no gnu taxes (#4)
The website does a very good job of illustrating that these rising Artic temperatures supposedly responsible for the cold weather everywhere else are really just the result of placing sensors on heat islands (airports e.g.)and then extrapolating these single data points out for hundreds of miles.
http://www.utexas.edu/know/2010/11/15/climate_myth6/
Myth No. 6: The urban heat island effect or other land use changes can explain the observed warming.
The urban heat island effect is a well documented phenomenon caused by roads and buildings absorbing more heat than undeveloped land and vegetation. It causes cities to be warmer than surrounding countryside and can even influence rainfall patterns.
Perhaps, the argument goes, ground based weather stations have been systematically measuring a rise in temperature not from a global effect but from local land use changes.
Climate scientists do make corrections to weather station data based on the urban heat island effect. But what if they aren't correcting enough?
Rong Fu, an expert in climate observations, noted scientists observe the greatest rates of warming in some of the least populated areas, such as the Arctic and southern Africa. Those trends can't be explained by land use change or the urban heat island effect. Also, if you remove all ground based weather stations that are within six kilometers of populations over 30,000 people, on the assumption that these are the stations most likely to be affected by the urban heat island effect, the warming trends remain essentially the same.
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