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Thread: Global Warming and Politics ~~News & Views~~

  1. #11
    Persona Oblongata OrionzRevenge's Avatar
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    Lining up and transposing the graphs in post number 9


  2. #12
    Persona Oblongata OrionzRevenge's Avatar
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    http://www.jpl.nasa.gov/news/news.php?release=2014-148

    West Antarctic Glacier Loss Appears Unstoppable

    A new study by researchers at NASA and the University of California, Irvine, finds a rapidly melting section of the West Antarctic Ice Sheet appears to be in an irreversible state of decline, with nothing to stop the glaciers in this area from melting into the sea.

    The study presents multiple lines of evidence, incorporating 40 years of observations that indicate the glaciers in the Amundsen Sea sector of West Antarctica "have passed the point of no return," according to glaciologist and lead author Eric Rignot, of UC Irvine and NASA's Jet Propulsion Laboratory in Pasadena, California. The new study has been accepted for publication in the journal Geophysical Research Letters.

    These glaciers already contribute significantly to sea level rise, releasing almost as much ice into the ocean annually as the entire Greenland Ice Sheet. They contain enough ice to raise global sea level by 4 feet (1.2 meters) and are melting faster than most scientists had expected. Rignot said these findings will require an upward revision to current predictions of sea level rise.

    "This sector will be a major contributor to sea level rise in the decades and centuries to come," Rignot said. "A conservative estimate is it could take several centuries for all of the ice to flow into the sea."

    ...

    "The collapse of this sector of West Antarctica appears to be unstoppable," he said. "The fact that the retreat is happening simultaneously over a large sector suggests it was triggered by a common cause, such as an increase in the amount of ocean heat beneath the floating sections of the glaciers. At this point, the end of this sector appears to be inevitable."

  3. #13
    Persona Oblongata OrionzRevenge's Avatar
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    Recently collected info for arguments elsewhere.


    http://www.ciesin.org/docs/001-332/001-332.html

    IMPACTS OF GLOBAL WARMING ON HUMAN HEALTH: Heat Stress-Related Mortality

    LAURENCE S. KALKSTEIN

    Center for Climatic Research
    Department of Geography
    University of Delaware



    Daily mortality New York City ~ 40c = 103f
    ------------------------------------------

    Klakstein's research reveals that locations used to heatwaves like the South East US are immune to spikes in mortality due to heat stress. However, where it invades climes a lot less tropical >>>> people kill over.

    EDIT

    Another factor complicating the issue of heat stress is the observations and related research that shows the Arctic warm-up is causing the polar jet-stream to hang-up in kinks that can persist for weeks on end.

    Last summer the eastern US delighted being on the cool side of one of these kinks for much of the hottest season.

    Cost in lives and Millions in livestock/crops would have been very different had the kink shifted eastward and stuck.

    And these losses take on an exponential curve when said stresses are long lasting.
    ================================================== =============================================



    I understand a lot of people want to dismiss non-human species as acceptable losses, but we are playing with ecological fire.

    The topical climes are moving towards the poles as a result of AGW, and with this change in climate comes invasive species, tropical pathogens, and crop pests/infections.

    http://www.eurekalert.org/pub_releas...-soc082913.php


    Spread of crop pests threatens global food security as Earth warms
    A new study has revealed that global warming is resulting in the spread of crop pests towards the North and South Poles at a rate of nearly 3 km a year

    A new study has revealed that global warming is resulting in the spread of crop pests towards the North and South Poles at a rate of nearly 3 km a year. The study, published in the journal Nature Climate Change and carried out by researchers at the University of Exeter and the University of Oxford, shows a strong relationship between increased global temperatures over the past 50 years and expansion in the range of crop pests.

    Currently 10-16% of global crop production is lost to pests. Crop pests include fungi, bacteria, viruses, insects, nematodes, viroids and oomycetes. The diversity of crop pests continues to expand and new strains are continually evolving. Losses of major crops to fungi, and fungi-like microorganisms, amount to enough to feed nearly nine percent of today's global population. The study suggests that these figures will increase further if global temperatures continue to rise as predicted.
    This is HERE & NOW

    Environmental biologist have conducted tons of research on historical examples where there is a loss of biodiversity and unforeseen consequences arise.

    Loss of biodiversity due to AGW is also HERE & NOW.

    ================================================== ======================




    http://en.wikipedia.org/wiki/Effects_of_global_warming

    A study by the World Health Organization (WHO, 2009)[113] estimated the effect of climate change on human health. Not all of the effects of climate change were included in their estimates, for example, the effects of more frequent and extreme storms were excluded. Climate change was estimated to have been responsible for 3% of diarrhoea, 3% of malaria, and 3.8% of dengue fever deaths worldwide in 2004. Total attributable mortality was about 0.2% of deaths in 2004; of these, 85% were child deaths.
    0.2% = 112000 deaths due to AGW in 2007 (56 million total deaths) just from tropical diseases alone.

    http://www.nature.com/nature/journal...ture06937.html


    Rosenzweig et al

    "we conclude that anthropogenic climate change is having a significant impact on physical and biological systems globally and in some continents."

    ================================================== =====================


    http://www.globalissues.org/article/...s-biodiversity

    Climate change is already having an impact on biodiversity, and is projected to become a progressively more significant threat in the coming decades. Loss of Arctic sea ice threatens biodiversity across an entire biome and beyond. The related pressure of ocean acidification, resulting from higher concentrations of carbon dioxide in the atmosphere, is also already being observed.

    Ecosystems are already showing negative impacts under current levels of climate change … which is modest compared to future projected changes…. In addition to warming temperatures, more frequent extreme weather events and changing patterns of rainfall and drought can be expected to have significant impacts on biodiversity.

    — Secretariat of the Convention on Biological Diversity (2010), Global Biodiversity Outlook 3, May, 2010, p.56

    In terms of biodiversity, “the prospect of ice-free summers in the Arctic Ocean implies the loss of an entire biome”, the Global Biodiversity Outlook notes (p. 57).

    In addition, “concentrations of carbonate ions are now lower than at any time during the last 800,000 years. The impacts on ocean biological diversity and ecosystem functioning will likely be severe, though the precise timing and distribution of these impacts are uncertain.” (See p. 58 of the report.)

    Scientists now believe that ocean acidification is unparalleled in the last 300 million years, “raising the possibility that we are entering an unknown territory of marine ecosystem change.”
    Ocean stratification, where warm water sits firmly on top of cold, nutrient-rich water, also creates dead zones and lowers the overall productivity of the oceans.… Such dead zones were rare 40 years ago but now number several hundred. Without urgent action, climate change will continue to warm oceans, increasing stratification and producing larger and more dead zones with a major impact on future fisheries, a 2009 study in Nature Geoscience warned.

    It will take a thousand years for the oceans to cool down, so it is imperative to pull the emergency brake on global warming emissions, the study concluded.

    — Stephen Leahy, Ocean Losing Its Green, Inter Press Service, July 31, 2010

    What the BBC described as a “global-scale study” published in the journal Science found that climate change could wipe out 20% of the world's lizard species by 2080.

    Global projection models used by the scientists suggested that “lizards have already crossed a threshold for extinctions caused by climate change”.

    The fear of lowland species moving to higher elevations has long been predicted as an effect of climate change. This has been observed with lizard populations too, as the leader of the research team told the BBC: “We are actually seeing lowland species moving upward in elevation, slowly driving upland species extinct, and if the upland species can’t evolve fast enough then they’re going to continue to go extinct.”
    ================================================== =========================

  4. #14
    Persona Oblongata OrionzRevenge's Avatar
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    http://abcnews.go.com/Technology/wir...rming-23769002

    Studies: Wildfires worse due to global warming

    Since 1984, the area burned by the West's largest wildfires — those of more than 1,000 acres — have increased by about 87,700 acres a year, according to an April study in the journal Geophysical Research Letters. And the areas where fire has been increasing the most are areas where drought has been worsening and "that certainly points to climate being a major contributor," study main author Philip Dennison of the University of Utah said Friday.

    The top five years with the most acres burned have all happened in the last decade, according to federal records. From 2010-2013, about 6.4 million acres a year burned on average; in the 1980s it was 2.9 million acres a year.

    Dennison, P.E., S.C. Brewer, J.D. Arnold, and M.A. Moritz, 2014. Large wildfire trends in the western United States, 1984-2011. Geophysical Research Letters, 41, 2928–2933.

  5. #15
    Senior Member jyng1's Avatar
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    Funny man...


  6. #16
    http://www.sciencedaily.com/releases...0602170341.htm

    In the last 150 years or so, the pH of the oceans has dropped substantially, from 8.2 to 8.1--equivalent to a 25 percent increase in acidity. By the end of the century, ocean pH is projected to fall another 0.3 pH units, to 7.8. While the researchers found a comparable pH drop during the PETM--0.3 units--the shift happened over a few thousand years.
    Quote Originally Posted by whatloveihave View Post
    I don't find you a potential threat to human society, you're not crazy. Feces.

  7. #17
    凸(ಠ_ರೃ )凸 stuck's Avatar
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    Saw this today- Bloomberg and Hank Paulson trying to communicate the urgency of this crisis to the business and investor class.

    http://riskybusiness.org/report/over...cutive-summary

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  9. #19
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    Explain the isotope data.

  10. #20
    Gassy ~ A 'torm is brew'n Catoptric's Avatar
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    Quote Originally Posted by Thevenin View Post
    Explain the isotope data.
    Knock, Knock: Where is the Evidence for Dangerous Human-Caused Global Warming? (pdf) Page 22 (199 on the bottom of the page) shows a graph that reveals trends consistent with what should be expected (though I haven't looked into it specifically, all I know is the sources of info come from "oil price index expert" sources.)

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