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Climate Change Data: Change in Atmospheric CO2 levels - Carbon Dioxide

Climate Change Studies, Reports and Data: Increasing Atmospheric Carbon Dioxide (CO2)

change in atmosphere CO2levels, graphSo, you've heard the atmospheric levels of carbon dioxide are rising; CO2 is one of the greenhouse gases. According to NASA, this graph, based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO2 has increased since the Industrial Revolution. (Credit: Vostok ice core data/J.R. Petit et al.; NOAA Mauna Loa CO2 record.)

Over the last 800,000 years atmospheric CO2 levels as indicated by the ice-core data have fluctuated between 170 and 300 parts per million by volume (ppmv), corresponding with conditions of glacial and interglacial periods.

The Vostok core indicates very similar trends. Prior to about 450,000 years before present time (BP) atmospheric CO2 levels were always at or below 260 ppmv and reached lowest values, approaching 170 ppmv, between 660,000 and 670,000 years ago. The highest pre-industrial value recorded in 800,000 years of ice-core record was 298.6 ppmv, in the Vostok core, around 330,000 years ago.

 

The Keeling Curve, Mauna Loa Observatory, Scripps Institution of Oceanography, UC San Diego, at right

Conclusion

Atmospheric CO2 levels have increased markedly in industrial times; measurements in year 2010 at Cape Grim Tasmania and the South Pole both indicated values of 386 ppmv, and are currently increasing at about 2 ppmv/year.The Keeling Curve

Of course, CO2 is one factor that affects the climate, there are many others. See this page for further discussion.

 

Now, here is another freaky thought: is the elevated CO2 level slowing the onset of an overdue ice age?

Claim Click here for more information Synopsis If refuted, by:
CO2 levels in the atmosphere are rising Carbon-dioxide concentrations hit their highest level in 4m years, Mauna Loa University, as reported by the Economist, May 11th 2013
Nasa, Graph of Atmosphereic carbon , The Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era - and of human civilization. Most of these climate changes are attributed to very small variations in Earth's orbit that change the amount of solar energy our planet receives. The current warming trend is of particular significance because most of it is very likely human-induced and proceeding at a rate that is unprecedented in the past 1,300 years.1

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Interesting Reads:

THE PREPPER'S CANNING & PRESERVING BIBLE: [13 in 1] Your Path to Food Self-Sufficiency. Canning, Dehydrating, Fermenting, Pickling & More, Plus The Food Preservation Calendar for a Sustainable Pantry

The Backyard Homestead: Produce all the food you need on just a quarter acre! Paperback

The Citizens' Guide to Geologic Hazards: A Guide to Understanding Geologic Hazards Including Asbestos, Radon, Swelling Soils, Earthquakes, Volcanoes

The Uninhabitable Earth: Life After Warming

Book: The Sixth Extinction: An Unnatural History Paperback




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